From 3f89370275f963802955bfe11248ad859d92ae53 Mon Sep 17 00:00:00 2001
From: Florian Hoelzl <hoelzl@fortiss.org>
Date: Tue, 24 May 2011 15:10:22 +0000
Subject: [PATCH] Implemented IPersistencyService and IStorageProvider for
Eclipse workspace projects.
---
.../trunk/META-INF/MANIFEST.MF | 9 +-
.../trunk/icons/server.png | Bin 3153 -> 0 bytes
org.fortiss.tooling.kernel/trunk/plugin.xml | 71 ----
.../IStorageProvider.java} | 32 +-
.../ITopLevelElementChangeListener.java} | 27 +-
.../kernel/internal/ActionService.java | 9 +-
.../kernel/internal/CommandStackService.java | 166 +-------
.../kernel/internal/PersistencyService.java | 130 ++++++
.../EclipseWorkspaceLocationProviderBase.java | 99 -----
.../NavigatorTreeContentProvider.java | 29 +-
.../navigator/NavigatorTreeLabelProvider.java | 2 +
.../internal/navigator/NavigatorViewPart.java | 122 +-----
.../properties/PropertiesAdapterFactory.java | 5 +-
.../storage/eclipse/AutoUndoCommandStack.java | 141 +++++++
.../eclipse/EMFTransactionalCommand.java | 182 ++++++++
.../eclipse/EMultiContentsIterator.java} | 79 ++--
.../EclipseResourceStorageProvider.java | 233 +++++++++++
.../storage/eclipse/ModelContext.java | 390 ++++++++++++++++++
.../kernel/services/IPersistencyService.java | 39 +-
.../EMFResourceUtils.java} | 47 ++-
.../kernel/util/ProjectRootElementUtils.java | 23 +-
21 files changed, 1268 insertions(+), 567 deletions(-)
delete mode 100644 org.fortiss.tooling.kernel/trunk/icons/server.png
rename org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/{internal/emfstore/EclipseWorkspaceUnicaseClientLocationProvider.java => interfaces/IStorageProvider.java} (66%)
rename org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/{internal/emfstore/EclipseWorkspaceEMFStoreLocationProvider.java => interfaces/ITopLevelElementChangeListener.java} (66%)
delete mode 100644 org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/emfstore/EclipseWorkspaceLocationProviderBase.java
create mode 100644 org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/storage/eclipse/AutoUndoCommandStack.java
create mode 100644 org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/storage/eclipse/EMFTransactionalCommand.java
rename org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/{handler/ProjectModelElementHandler.java => storage/eclipse/EMultiContentsIterator.java} (50%)
create mode 100644 org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/storage/eclipse/EclipseResourceStorageProvider.java
create mode 100644 org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/storage/eclipse/ModelContext.java
rename org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/{internal/compose/ProjectCompositor.java => util/EMFResourceUtils.java} (54%)
diff --git a/org.fortiss.tooling.kernel/trunk/META-INF/MANIFEST.MF b/org.fortiss.tooling.kernel/trunk/META-INF/MANIFEST.MF
index 3b108be87..9a1cbf726 100644
--- a/org.fortiss.tooling.kernel/trunk/META-INF/MANIFEST.MF
+++ b/org.fortiss.tooling.kernel/trunk/META-INF/MANIFEST.MF
@@ -14,12 +14,9 @@ Require-Bundle: org.eclipse.core.runtime;visibility:=reexport,
org.eclipse.gef;visibility:=reexport,
org.conqat.ide.commons;bundle-version="2.7.0";visibility:=reexport,
org.conqat.ide.commons.ui;bundle-version="2.7.0";visibility:=reexport,
- org.conqat.ide.commons.gef;bundle-version="2.7.0",
- org.eclipse.jdt.ui;bundle-version="3.6.2",
- org.eclipse.emf.transaction;bundle-version="1.4.0",
- org.eclipse.emf.emfstore.server;bundle-version="0.7.3",
- org.eclipse.emf.emfstore.client;bundle-version="0.7.3",
- org.eclipse.emf.emfstore.client.ui;bundle-version="0.7.3"
+ org.conqat.ide.commons.gef;bundle-version="2.7.0";visibility:=reexport,
+ org.eclipse.emf.ecore.xmi;bundle-version="2.5.0",
+ org.eclipse.emf.transaction;bundle-version="1.4.0"
Bundle-RequiredExecutionEnvironment: JavaSE-1.6
Bundle-ActivationPolicy: lazy
Export-Package: org.fortiss.tooling.kernel;uses:="org.eclipse.jface.resource,org.eclipse.ui.plugin,org.osgi.framework",
diff --git a/org.fortiss.tooling.kernel/trunk/icons/server.png b/org.fortiss.tooling.kernel/trunk/icons/server.png
deleted file mode 100644
index 4e472dd74433e92014ba5198172235eadc404aec..0000000000000000000000000000000000000000
GIT binary patch
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diff --git a/org.fortiss.tooling.kernel/trunk/plugin.xml b/org.fortiss.tooling.kernel/trunk/plugin.xml
index 004894271..02b98324e 100644
--- a/org.fortiss.tooling.kernel/trunk/plugin.xml
+++ b/org.fortiss.tooling.kernel/trunk/plugin.xml
@@ -13,18 +13,6 @@
uri="http://www.fortiss.org/tooling/kernel">
</package>
</extension>
- <extension
- point="org.eclipse.emf.emfstore.server.locationprovider">
- <LocationProvider
- providerClass="org.fortiss.tooling.kernel.internal.emfstore.EclipseWorkspaceEMFStoreLocationProvider">
- </LocationProvider>
- </extension>
- <extension
- point="org.eclipse.emf.emfstore.client.workspaceLocationProvider">
- <LocationProvider
- providerClass="org.fortiss.tooling.kernel.internal.emfstore.EclipseWorkspaceUnicaseClientLocationProvider">
- </LocationProvider>
- </extension>
<extension
point="org.eclipse.ui.editors">
<editor
@@ -76,51 +64,6 @@
</dynamic>
</menu>
</menuContribution>
- <menuContribution
- allPopups="false"
- locationURI="popup:org.fortiss.tooling.kernel.model.navigator?after=repository">
- <menu
- icon="icons/server.png"
- id="org.fortiss.tooling.kernel.model.navigator.repositorymenu"
- label="Repository">
- <visibleWhen
- checkEnabled="false">
- <with
- variable="activeMenuSelection">
- <iterate>
- <adapt
- type="org.eclipse.emf.emfstore.client.model.ProjectSpace">
- </adapt>
- </iterate>
- </with>
- </visibleWhen>
- <command
- commandId="org.eclipse.emf.emfstore.client.ui.commitProject"
- label="Commit..."
- style="push">
- </command>
- <command
- commandId="org.eclipse.emf.emfstore.client.ui.updateProject"
- label="Update to HEAD"
- style="push">
- </command>
- <command
- commandId="org.eclipse.emf.emfstore.client.ui.updateProjectVersion"
- label="Update to Version..."
- style="push">
- </command>
- <command
- commandId="org.eclipse.emf.emfstore.client.ui.revert"
- label="Revert"
- style="push">
- </command>
- <command
- commandId="org.eclipse.emf.emfstore.client.ui.deleteProject"
- label="Delete Local Project"
- style="push">
- </command>
- </menu>
- </menuContribution>
</extension>
<extension
point="org.eclipse.core.runtime.adapters">
@@ -182,19 +125,5 @@
</propertySection>
</propertySections>
</extension>
- <extension
- point="org.fortiss.tooling.kernel.modelElementHandler">
- <modelElementHandler
- handler="org.fortiss.tooling.kernel.internal.handler.ProjectModelElementHandler"
- modelElementClass="org.eclipse.emf.emfstore.common.model.Project">
- </modelElementHandler>
- </extension>
- <extension
- point="org.fortiss.tooling.kernel.modelElementCompositor">
- <modelElementCompositor
- compositor="org.fortiss.tooling.kernel.internal.compose.ProjectCompositor"
- modelElementClass="org.eclipse.emf.emfstore.common.model.Project">
- </modelElementCompositor>
- </extension>
</plugin>
diff --git a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/emfstore/EclipseWorkspaceUnicaseClientLocationProvider.java b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/interfaces/IStorageProvider.java
similarity index 66%
rename from org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/emfstore/EclipseWorkspaceUnicaseClientLocationProvider.java
rename to org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/interfaces/IStorageProvider.java
index d2144334e..58a620d44 100644
--- a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/emfstore/EclipseWorkspaceUnicaseClientLocationProvider.java
+++ b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/interfaces/IStorageProvider.java
@@ -15,32 +15,30 @@ $Id$
| See the License for the specific language governing permissions and |
| limitations under the License. |
+--------------------------------------------------------------------------*/
-package org.fortiss.tooling.kernel.internal.emfstore;
+package org.fortiss.tooling.kernel.interfaces;
-import org.eclipse.emf.emfstore.server.LocationProvider;
+import java.util.List;
+
+import org.eclipse.emf.common.command.CommandStack;
+import org.eclipse.emf.ecore.EObject;
/**
- * A {@link LocationProvider} which uses the Eclipse workspace location as base
- * location. This provider is intended to be used with the
- * <code>org.unicase.workspace.workspaceLocationProvider</code> extension point.
+ * An {@link IStorageProvider} implements a storage mechanism for EMF models.
*
* @author hoelzlf
* @author $Author$
* @version $Rev$
* @levd.rating RED Rev:
*/
-public final class EclipseWorkspaceUnicaseClientLocationProvider extends
- EclipseWorkspaceLocationProviderBase {
+public interface IStorageProvider {
+
+ /** Returns the top-level elements provided by this storage provider. */
+ List<EObject> getTopLevelElements();
+
+ /** Returns the command stack for accessing the stored model. */
+ CommandStack getCommandStack(EObject modelElement);
- /** {@inheritDoc} */
- @Override
- protected String getWorkspaceProjectName() {
- return ".unicase_client";
- }
+ /** Executes the given {@link Runnable} as model changing command-. */
+ void runAsCommand(EObject modelElement, Runnable runner);
- /** {@inheritDoc} */
- @Override
- protected String getBackupProjectName() {
- return ".unicase_client_backup";
- }
}
diff --git a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/emfstore/EclipseWorkspaceEMFStoreLocationProvider.java b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/interfaces/ITopLevelElementChangeListener.java
similarity index 66%
rename from org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/emfstore/EclipseWorkspaceEMFStoreLocationProvider.java
rename to org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/interfaces/ITopLevelElementChangeListener.java
index c46d678d1..38119cc5b 100644
--- a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/emfstore/EclipseWorkspaceEMFStoreLocationProvider.java
+++ b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/interfaces/ITopLevelElementChangeListener.java
@@ -15,31 +15,24 @@ $Id$
| See the License for the specific language governing permissions and |
| limitations under the License. |
+--------------------------------------------------------------------------*/
-package org.fortiss.tooling.kernel.internal.emfstore;
+package org.fortiss.tooling.kernel.interfaces;
-import org.eclipse.emf.emfstore.server.LocationProvider;
+import org.eclipse.emf.ecore.EObject;
/**
- * A {@link LocationProvider} which uses the Eclipse workspace location as base
- * location. This provider is intended to be used with the
- * <code>org.unicase.emfstore.locationprovider</code> extension point.
+ * Listener interface notified by the persistency service whenever the list of
+ * top-level elements changes.
*
* @author hoelzlf
* @author $Author$
* @version $Rev$
* @levd.rating RED Rev:
*/
-public final class EclipseWorkspaceEMFStoreLocationProvider extends
- EclipseWorkspaceLocationProviderBase {
- /** {@inheritDoc} */
- @Override
- protected String getWorkspaceProjectName() {
- return ".emfStoreServerWorkspaceProject";
- }
+public interface ITopLevelElementChangeListener {
- /** {@inheritDoc} */
- @Override
- protected String getBackupProjectName() {
- return ".emfStoreServerBackupProject";
- }
+ /** Notifies the listener about the adding of the given element. */
+ void topLevelElementAdded(EObject topLevelElement);
+
+ /** Notifies the listener about the removal of the given element. */
+ void topLevelElementRemoved(EObject topLevelElement);
}
diff --git a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/ActionService.java b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/ActionService.java
index e41893138..3861ea32a 100644
--- a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/ActionService.java
+++ b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/ActionService.java
@@ -19,8 +19,6 @@ package org.fortiss.tooling.kernel.internal;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.util.EcoreUtil;
-import org.eclipse.emf.emfstore.client.model.ProjectSpace;
-import org.eclipse.emf.emfstore.common.model.Project;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IEditorSite;
@@ -32,6 +30,7 @@ import org.fortiss.tooling.kernel.base.EObjectAction;
import org.fortiss.tooling.kernel.model.IRemovable;
import org.fortiss.tooling.kernel.services.IActionService;
import org.fortiss.tooling.kernel.services.ICommandStackService;
+import org.fortiss.tooling.kernel.services.IPersistencyService;
import org.fortiss.tooling.kernel.util.EObjectSelectionUtils;
/**
@@ -157,9 +156,9 @@ public class ActionService implements IActionService {
boolean canDelete = (target instanceof IRemovable)
&& ((IRemovable) target).canRemove();
- canDelete = canDelete || !(target instanceof Project)
- && !(target instanceof ProjectSpace)
- && target.eContainer() != null;
+ canDelete = canDelete
+ || !IPersistencyService.INSTANCE.getTopLevelElements()
+ .contains(target);
globalDeleteAction.setTarget(target);
globalDeleteAction.setEnabled(canDelete);
}
diff --git a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/CommandStackService.java b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/CommandStackService.java
index aff44d5db..7609c5d7c 100644
--- a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/CommandStackService.java
+++ b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/CommandStackService.java
@@ -17,28 +17,13 @@ $Id$
+--------------------------------------------------------------------------*/
package org.fortiss.tooling.kernel.internal;
-import java.util.HashMap;
-import java.util.LinkedList;
-import java.util.Map;
-import java.util.Stack;
-
-import org.eclipse.emf.common.command.BasicCommandStack;
-import org.eclipse.emf.common.notify.Notification;
-import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.emf.ecore.EObject;
-import org.eclipse.emf.emfstore.client.model.Configuration;
-import org.eclipse.emf.emfstore.client.model.ModelPackage;
-import org.eclipse.emf.emfstore.client.model.ProjectSpace;
-import org.eclipse.emf.emfstore.client.model.Workspace;
-import org.eclipse.emf.emfstore.client.model.WorkspaceManager;
-import org.eclipse.emf.emfstore.client.model.impl.ProjectSpaceImpl;
-import org.eclipse.emf.emfstore.client.model.observers.OperationListener;
-import org.eclipse.emf.emfstore.client.model.util.EMFStoreCommand;
-import org.eclipse.emf.emfstore.server.model.versioning.operations.AbstractOperation;
import org.fortiss.tooling.kernel.services.ICommandStackService;
+import org.fortiss.tooling.kernel.services.IPersistencyService;
/**
- * This class implements the {@link ICommandStackService} interface.
+ * This class implements the {@link ICommandStackService} interface. This class
+ * mainly delegates its calls to the {@link IPersistencyService}.
*
* @author hoelzl
* @author $Author$
@@ -46,165 +31,34 @@ import org.fortiss.tooling.kernel.services.ICommandStackService;
* @levd.rating RED Rev:
*/
public class CommandStackService implements ICommandStackService {
-
- /** Stores the EMFStore command stack. */
- private BasicCommandStack emfStoreCommandStack;
-
- /** Stores the project state observers. */
- private Map<ProjectSpace, ProjectSpaceObserver> projectSpaceObserverMap = new HashMap<ProjectSpace, CommandStackService.ProjectSpaceObserver>();
-
- /** Stores the workspace listener. */
- private AdapterImpl workspaceListener;
-
- /** Constructor. */
- public CommandStackService() {
-
- Workspace ws = WorkspaceManager.getInstance().getCurrentWorkspace();
- createWorkspaceListener();
- ws.eAdapters().add(workspaceListener);
-
- for (ProjectSpace ps : ws.getProjectSpaces()) {
- ProjectSpaceObserver state = new ProjectSpaceObserver(ps);
- projectSpaceObserverMap.put(ps, state);
- }
-
- emfStoreCommandStack = (BasicCommandStack) Configuration
- .getEditingDomain().getCommandStack();
- }
-
/** {@inheritDoc} */
@Override
- public void runAsCommand(EObject target, final Runnable runner) {
- EMFStoreCommand command = new EMFStoreCommand() {
-
- @Override
- protected void doRun() {
- runner.run();
- }
- };
- emfStoreCommandStack.execute(command);
+ public void runAsCommand(EObject target, Runnable runner) {
+ IPersistencyService.INSTANCE.getStorageProviderFor(target)
+ .runAsCommand(target, runner);
}
/** {@inheritDoc} */
@Override
public boolean canUndo(EObject target) {
- ProjectSpace projectSpace = WorkspaceManager.getProjectSpace(target);
- return !projectSpace.getOperations().isEmpty();
+ return IPersistencyService.INSTANCE.getCommandStack(target).canUndo();
}
/** {@inheritDoc} */
@Override
public boolean canRedo(EObject target) {
- ProjectSpace projectSpace = WorkspaceManager.getProjectSpace(target);
- return projectSpaceObserverMap.get(projectSpace).canRedo();
+ return IPersistencyService.INSTANCE.getCommandStack(target).canRedo();
}
/** {@inheritDoc} */
@Override
public void undo(EObject target) {
- final ProjectSpace projectSpace = WorkspaceManager
- .getProjectSpace(target);
- // also pushes the operation on the project state observer's redo stack
- emfStoreCommandStack.execute(new EMFStoreCommand() {
-
- @Override
- protected void doRun() {
- projectSpace.undoLastOperation();
- }
- });
+ IPersistencyService.INSTANCE.getCommandStack(target).undo();
}
/** {@inheritDoc} */
@Override
public void redo(EObject target) {
- ProjectSpace projectSpace = WorkspaceManager.getProjectSpace(target);
- projectSpaceObserverMap.get(projectSpace).redo();
- }
-
- /** Creates the workspace listener. */
- private void createWorkspaceListener() {
- workspaceListener = new AdapterImpl() {
- @Override
- public void notifyChanged(Notification msg) {
- if ((msg.getFeatureID(Workspace.class)) == ModelPackage.WORKSPACE__PROJECT_SPACES) {
- if (msg.getEventType() == Notification.ADD
- && ModelPackage.eINSTANCE.getProjectSpace()
- .isInstance(msg.getNewValue())) {
- ProjectSpace projectSpace = (ProjectSpace) msg
- .getNewValue();
- ProjectSpaceObserver obs = new ProjectSpaceObserver(
- projectSpace);
- projectSpaceObserverMap.put(projectSpace, obs);
- } else if (msg.getEventType() == Notification.REMOVE
- && ModelPackage.eINSTANCE.getProjectSpace()
- .isInstance(msg.getOldValue())) {
- ProjectSpace projectSpace = (ProjectSpace) msg
- .getOldValue();
- ProjectSpaceObserver obs = projectSpaceObserverMap
- .remove(projectSpace);
- obs.dispose();
- }
- }
- }
- };
- }
-
- /** Observes the state of a {@link ProjectSpace}. */
- private class ProjectSpaceObserver implements OperationListener {
-
- /** Stores the project space reference. */
- private final ProjectSpace projectSpace;
-
- /** Stores the redo stack. */
- private final Stack<AbstractOperation> redoStack = new Stack<AbstractOperation>();
-
- /** Flag indicating the current operation is a redo. */
- private boolean redoInProgress = false;
-
- /** Constructor. */
- public ProjectSpaceObserver(ProjectSpace projectSpace) {
- this.projectSpace = projectSpace;
- projectSpace.addOperationListener(this);
- }
-
- /** {@inheritDoc} */
- @Override
- public void operationExecuted(AbstractOperation operation) {
- if (!redoInProgress) {
- // clear stack if not observing a redo
- redoStack.clear();
- }
- }
-
- /** {@inheritDoc} */
- @Override
- public void operationUnDone(AbstractOperation operation) {
- redoStack.add(operation);
- }
-
- /** Returns whether redo is possible. */
- public boolean canRedo() {
- return !redoStack.isEmpty();
- }
-
- /** Redo the last operation. */
- public void redo() {
- final LinkedList<AbstractOperation> ops = new LinkedList<AbstractOperation>();
- ops.add(redoStack.pop());
- emfStoreCommandStack.execute(new EMFStoreCommand() {
-
- @Override
- protected void doRun() {
- redoInProgress = true;
- ((ProjectSpaceImpl) projectSpace).applyOperations(ops);
- redoInProgress = false;
- }
- });
- }
-
- /** Disposes the project state observer. */
- public void dispose() {
- projectSpace.removeOperationListener(this);
- }
+ IPersistencyService.INSTANCE.getCommandStack(target).redo();
}
}
diff --git a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/PersistencyService.java b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/PersistencyService.java
index 1231b3ea9..0e4c389ae 100644
--- a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/PersistencyService.java
+++ b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/PersistencyService.java
@@ -17,6 +17,18 @@ $Id$
+--------------------------------------------------------------------------*/
package org.fortiss.tooling.kernel.internal;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.conqat.lib.commons.collections.CollectionUtils;
+import org.conqat.lib.commons.collections.UnmodifiableList;
+import org.eclipse.emf.common.command.CommandStack;
+import org.eclipse.emf.ecore.EObject;
+import org.fortiss.tooling.kernel.interfaces.IStorageProvider;
+import org.fortiss.tooling.kernel.interfaces.ITopLevelElementChangeListener;
+import org.fortiss.tooling.kernel.internal.storage.eclipse.EclipseResourceStorageProvider;
import org.fortiss.tooling.kernel.services.IPersistencyService;
/**
@@ -29,4 +41,122 @@ import org.fortiss.tooling.kernel.services.IPersistencyService;
*/
public class PersistencyService implements IPersistencyService {
+ /** Stores the storage providers and their element caches. */
+ private final Map<IStorageProvider, List<EObject>> storageProviderCache = new HashMap<IStorageProvider, List<EObject>>();
+
+ /** Stores the top-level element listeners. */
+ private final List<ITopLevelElementChangeListener> listeners = new ArrayList<ITopLevelElementChangeListener>();
+
+ /** Constructor. */
+ public PersistencyService() {
+ // TODO (FH): replace with extension mechanism
+ IStorageProvider provider = new EclipseResourceStorageProvider();
+ storageProviderCache.put(provider, provider.getTopLevelElements());
+
+ refreshAllProviderElements();
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public UnmodifiableList<EObject> getTopLevelElements() {
+ List<EObject> result = new ArrayList<EObject>();
+ for (IStorageProvider provider : storageProviderCache.keySet()) {
+ result.addAll(storageProviderCache.get(provider));
+ }
+ return CollectionUtils.asUnmodifiable(result);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public void refreshTopLevelElements(IStorageProvider provider) {
+ if (!storageProviderCache.containsKey(provider)) {
+ return;
+ }
+ List<EObject> elementCache = storageProviderCache.get(provider);
+ List<EObject> providedElements = provider.getTopLevelElements();
+ for (EObject top : elementCache) {
+ if (!providedElements.contains(top)) {
+ elementCache.remove(top);
+ notifyListenersAboutRemove(top);
+ }
+ }
+ for (EObject top : providedElements) {
+ if (!elementCache.contains(top)) {
+ elementCache.add(top);
+ notifyListenersAboutAdd(top);
+ }
+ }
+ }
+
+ /** Refreshes all providers' top-level elements. */
+ private void refreshAllProviderElements() {
+ for (IStorageProvider provider : storageProviderCache.keySet()) {
+ refreshTopLevelElements(provider);
+ }
+ }
+
+ /** Notifies listener about top-level element adding. */
+ private void notifyListenersAboutAdd(EObject top) {
+ for (ITopLevelElementChangeListener listener : listeners) {
+ listener.topLevelElementAdded(top);
+ }
+ }
+
+ /** Notifies listener about top-level element removal. */
+ private void notifyListenersAboutRemove(EObject top) {
+ for (ITopLevelElementChangeListener listener : listeners) {
+ listener.topLevelElementRemoved(top);
+ }
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public void addTopLevelElementListener(
+ ITopLevelElementChangeListener listener) {
+ if (!listeners.contains(listener)) {
+ listeners.add(listener);
+ }
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public void removeTopLevelElementListener(
+ ITopLevelElementChangeListener listener) {
+ listeners.remove(listener);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public EObject getTopLevelElementFor(EObject modelElement) {
+ while (modelElement != null) {
+ for (List<EObject> topLevelElements : storageProviderCache.values()) {
+ if (topLevelElements.contains(modelElement)) {
+ return modelElement;
+ }
+ }
+ modelElement = modelElement.eContainer();
+ }
+ return null;
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public IStorageProvider getStorageProviderFor(EObject modelElement) {
+ while (modelElement != null) {
+ for (IStorageProvider provider : storageProviderCache.keySet()) {
+ if (storageProviderCache.get(provider).contains(modelElement)) {
+ return provider;
+ }
+ }
+ modelElement = modelElement.eContainer();
+ }
+ return null;
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public CommandStack getCommandStack(EObject modelElement) {
+ return getStorageProviderFor(modelElement)
+ .getCommandStack(modelElement);
+ }
}
diff --git a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/emfstore/EclipseWorkspaceLocationProviderBase.java b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/emfstore/EclipseWorkspaceLocationProviderBase.java
deleted file mode 100644
index e8f3f179e..000000000
--- a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/emfstore/EclipseWorkspaceLocationProviderBase.java
+++ /dev/null
@@ -1,99 +0,0 @@
-/*--------------------------------------------------------------------------+
-$Id$
-| |
-| Copyright 2011 ForTISS GmbH |
-| |
-| Licensed under the Apache License, Version 2.0 (the "License"); |
-| you may not use this file except in compliance with the License. |
-| You may obtain a copy of the License at |
-| |
-| http://www.apache.org/licenses/LICENSE-2.0 |
-| |
-| Unless required by applicable law or agreed to in writing, software |
-| distributed under the License is distributed on an "AS IS" BASIS, |
-| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
-| See the License for the specific language governing permissions and |
-| limitations under the License. |
-+--------------------------------------------------------------------------*/
-package org.fortiss.tooling.kernel.internal.emfstore;
-
-import org.eclipse.core.resources.IProject;
-import org.eclipse.core.resources.IWorkspaceRoot;
-import org.eclipse.core.resources.ResourcesPlugin;
-import org.eclipse.core.runtime.CoreException;
-import org.eclipse.emf.emfstore.server.LocationProvider;
-
-/**
- * Base implementation of a {@link LocationProvider} which uses the Eclipse
- * workspace location as base location.
- *
- * @author hoelzlf
- * @author $Author$
- * @version $Rev$
- * @levd.rating RED Rev:
- */
-public abstract class EclipseWorkspaceLocationProviderBase implements
- LocationProvider {
-
- /** Store the workspace location. */
- private IProject workspaceProject;
-
- /** Stores the backup location. */
- private IProject backupProject;
-
- /** Stores initilization flag. */
- private boolean initialized = false;
-
- /** Initialize the locations. */
- private void initialize() {
- IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
- this.workspaceProject = workspaceRoot
- .getProject(getWorkspaceProjectName());
- if (!workspaceProject.exists()) {
- try {
- workspaceProject.create(null);
- } catch (CoreException e) {
- printCreationError(getWorkspaceProjectName(), e);
- }
- }
- this.backupProject = workspaceRoot.getProject(getBackupProjectName());
- if (!backupProject.exists()) {
- try {
- backupProject.create(null);
- } catch (CoreException e) {
- printCreationError(getBackupProjectName(), e);
- }
- }
- initialized = true;
- }
-
- /** Prints error message to standard error. */
- private final void printCreationError(String projectName, Exception ex) {
- System.err.println("Could not create project " + projectName);
- ex.printStackTrace(System.err);
- }
-
- /** Returns the name of the workspace project. */
- protected abstract String getWorkspaceProjectName();
-
- /** Returns the name of the backup project. */
- protected abstract String getBackupProjectName();
-
- /** {@inheritDoc} */
- @Override
- public final String getWorkspaceDirectory() {
- if (!initialized) {
- initialize();
- }
- return workspaceProject.getLocation().toString();
- }
-
- /** {@inheritDoc} */
- @Override
- public final String getBackupDirectory() {
- if (!initialized) {
- initialize();
- }
- return backupProject.getLocation().toString();
- }
-}
diff --git a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/navigator/NavigatorTreeContentProvider.java b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/navigator/NavigatorTreeContentProvider.java
index 35f60cb74..6ec7533b1 100644
--- a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/navigator/NavigatorTreeContentProvider.java
+++ b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/navigator/NavigatorTreeContentProvider.java
@@ -17,17 +17,12 @@ $Id$
+--------------------------------------------------------------------------*/
package org.fortiss.tooling.kernel.internal.navigator;
-import java.util.ArrayList;
-import java.util.List;
-
import org.eclipse.emf.ecore.EObject;
-import org.eclipse.emf.emfstore.client.model.ProjectSpace;
-import org.eclipse.emf.emfstore.client.model.Workspace;
-import org.eclipse.emf.emfstore.common.model.Project;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
import org.fortiss.tooling.kernel.interfaces.IHandler;
import org.fortiss.tooling.kernel.services.IModelElementService;
+import org.fortiss.tooling.kernel.services.IPersistencyService;
/**
* Content provider for the model navigator tree viewer.
@@ -42,20 +37,14 @@ public class NavigatorTreeContentProvider implements ITreeContentProvider {
/** {@inheritDoc} */
@Override
public Object[] getElements(Object inputElement) {
- if (inputElement instanceof Workspace) {
- List<Project> result = new ArrayList<Project>();
- for (ProjectSpace space : ((Workspace) inputElement)
- .getProjectSpaces()) {
- result.add(space.getProject());
- }
- return result.toArray();
- }
- return null;
+ // delegate to the top-level elements of the persistency service
+ return IPersistencyService.INSTANCE.getTopLevelElements().toArray();
}
/** {@inheritDoc} */
@Override
public Object[] getChildren(Object parentElement) {
+ // delegate to the model element handlers
if (parentElement instanceof EObject) {
IHandler<EObject> handler = IModelElementService.INSTANCE
.getModelElementHandler((EObject) parentElement);
@@ -69,8 +58,11 @@ public class NavigatorTreeContentProvider implements ITreeContentProvider {
/** {@inheritDoc} */
@Override
public Object getParent(Object element) {
- if (element instanceof EObject && !(element instanceof Workspace)) {
- return ((EObject) element).eContainer();
+ if (element instanceof EObject
+ && IPersistencyService.INSTANCE.getTopLevelElements().contains(
+ element)) {
+ // delegate to persistency service
+ return IPersistencyService.INSTANCE;
}
return null;
}
@@ -90,6 +82,7 @@ public class NavigatorTreeContentProvider implements ITreeContentProvider {
/** {@inheritDoc} */
@Override
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
- // FIXME (FH): ignore?
+ // the input of this viewer is the persistency service singleton and
+ // therefore never changes.
}
}
diff --git a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/navigator/NavigatorTreeLabelProvider.java b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/navigator/NavigatorTreeLabelProvider.java
index 0a3eede08..ec06fb910 100644
--- a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/navigator/NavigatorTreeLabelProvider.java
+++ b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/navigator/NavigatorTreeLabelProvider.java
@@ -38,6 +38,7 @@ public final class NavigatorTreeLabelProvider extends BaseLabelProvider
/** {@inheritDoc} */
@Override
public Image getImage(Object element) {
+ // delegate to the model element handlers
if (element instanceof EObject) {
IHandler<EObject> handler = IModelElementService.INSTANCE
.getModelElementHandler((EObject) element);
@@ -51,6 +52,7 @@ public final class NavigatorTreeLabelProvider extends BaseLabelProvider
/** {@inheritDoc} */
@Override
public String getText(Object element) {
+ // delegate to the model element handlers
if (element instanceof EObject) {
IHandler<EObject> handler = IModelElementService.INSTANCE
.getModelElementHandler((EObject) element);
diff --git a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/navigator/NavigatorViewPart.java b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/navigator/NavigatorViewPart.java
index 699317bd4..b1d43b138 100644
--- a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/navigator/NavigatorViewPart.java
+++ b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/navigator/NavigatorViewPart.java
@@ -23,15 +23,7 @@ import java.util.List;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
-import org.eclipse.emf.common.notify.Notification;
-import org.eclipse.emf.common.notify.impl.AdapterImpl;
import org.eclipse.emf.ecore.EObject;
-import org.eclipse.emf.emfstore.client.model.ModelPackage;
-import org.eclipse.emf.emfstore.client.model.ProjectSpace;
-import org.eclipse.emf.emfstore.client.model.Workspace;
-import org.eclipse.emf.emfstore.client.model.WorkspaceManager;
-import org.eclipse.emf.emfstore.common.model.Project;
-import org.eclipse.emf.emfstore.common.model.util.ProjectChangeObserver;
import org.eclipse.jface.action.IContributionItem;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.viewers.DecoratingLabelProvider;
@@ -60,6 +52,7 @@ import org.fortiss.tooling.kernel.services.IActionService;
import org.fortiss.tooling.kernel.services.IContextMenuService;
import org.fortiss.tooling.kernel.services.IEditorService;
import org.fortiss.tooling.kernel.services.INavigatorService;
+import org.fortiss.tooling.kernel.services.IPersistencyService;
import org.fortiss.tooling.kernel.services.IPropertiesService;
import org.fortiss.tooling.kernel.util.EObjectSelectionUtils;
@@ -78,15 +71,6 @@ public final class NavigatorViewPart extends ViewPart implements
/** Stores the TreeViewer. */
private TreeViewer viewer;
- /** Stores the EmfStore workspace. */
- private Workspace workspace;
-
- /** Stores the workspace listener. */
- private AdapterImpl workspaceListener;
-
- /** Stores the project listener. */
- private ProjectChangeObserver projectListener;
-
/** Stores the menu manager. */
private MenuManager menuManager;
@@ -101,107 +85,39 @@ public final class NavigatorViewPart extends ViewPart implements
/** Constructor. */
public NavigatorViewPart() {
- workspace = WorkspaceManager.getInstance().getCurrentWorkspace();
-
- createWorkspaceListener();
- createProjectListener();
((NavigatorService) INavigatorService.INSTANCE)
.setNavigatorViewPart(this);
}
- /** Creates the project listener. */
- private void createProjectListener() {
- projectListener = new ProjectChangeObserver() {
-
- @Override
- public void projectDeleted(Project project) {
- updateUI.schedule();
- }
-
- @Override
- public void notify(Notification notification, Project project,
- EObject modelElement) {
- updateUI.schedule();
- }
-
- @Override
- public void modelElementRemoved(Project project,
- EObject modelElement) {
- updateUI.schedule();
- }
-
- @Override
- public void modelElementAdded(Project project, EObject modelElement) {
- updateUI.schedule();
- }
- };
-
- for (ProjectSpace projectSpace : workspace.getProjectSpaces()) {
- projectSpace.getProject().addProjectChangeObserver(projectListener);
- }
- }
-
- /** Creates the workspace listener. */
- private void createWorkspaceListener() {
- workspaceListener = new AdapterImpl() {
- @Override
- public void notifyChanged(Notification msg) {
- if ((msg.getFeatureID(Workspace.class)) == ModelPackage.WORKSPACE__PROJECT_SPACES) {
- if (msg.getEventType() == Notification.ADD
- && ModelPackage.eINSTANCE.getProjectSpace()
- .isInstance(msg.getNewValue())) {
- ProjectSpace projectSpace = (ProjectSpace) msg
- .getNewValue();
- projectSpace.getProject().addProjectChangeObserver(
- projectListener);
- } else if (msg.getEventType() == Notification.REMOVE
- && ModelPackage.eINSTANCE.getProjectSpace()
- .isInstance(msg.getOldValue())) {
- ProjectSpace projectSpace = (ProjectSpace) msg
- .getOldValue();
- projectSpace.getProject().removeProjectChangeObserver(
- projectListener);
- }
- updateUI.schedule();
- }
- super.notifyChanged(msg);
- }
-
- };
- workspace.eAdapters().add(workspaceListener);
- }
-
/** {@inheritDoc} */
@Override
public void createPartControl(Composite parent) {
viewer = new TreeViewer(parent, SWT.MULTI);
- if (workspace != null) {
- // NOTE that the order of this important. See also JDT package
- // explorer.
- IDecoratorManager decoratorManager = PlatformUI.getWorkbench()
- .getDecoratorManager();
- viewer.setLabelProvider(new DecoratingLabelProvider(
- new NavigatorTreeLabelProvider(), decoratorManager
- .getLabelDecorator()));
- viewer.setContentProvider(new NavigatorTreeContentProvider());
+ // NOTE that the order of this important. See also JDT package
+ // explorer.
+ IDecoratorManager decoratorManager = PlatformUI.getWorkbench()
+ .getDecoratorManager();
+ viewer.setLabelProvider(new DecoratingLabelProvider(
+ new NavigatorTreeLabelProvider(), decoratorManager
+ .getLabelDecorator()));
+ viewer.setContentProvider(new NavigatorTreeContentProvider());
- getSite().setSelectionProvider(viewer);
- createContextMenu();
- viewer.addSelectionChangedListener(this);
+ getSite().setSelectionProvider(viewer);
+ createContextMenu();
+ viewer.addSelectionChangedListener(this);
- viewer.setInput(workspace);
+ viewer.setInput(IPersistencyService.INSTANCE);
- viewer.addDoubleClickListener(this);
+ viewer.addDoubleClickListener(this);
- IActionService.INSTANCE.registerGlobalActions(getViewSite());
+ IActionService.INSTANCE.registerGlobalActions(getViewSite());
- PlatformUI.getWorkbench().getActiveWorkbenchWindow()
- .getSelectionService().addSelectionListener(this);
- }
+ PlatformUI.getWorkbench().getActiveWorkbenchWindow()
+ .getSelectionService().addSelectionListener(this);
- // FIXME: whats that good for?
+ // FIXME (FH): whats that good for?
// if (viewer.getTree().getItems().length > 0) {
// setActiveECPProject(viewer.getTree().getItem(0).getData());
// viewer.getTree().select(viewer.getTree().getItem(0));
@@ -243,7 +159,6 @@ public final class NavigatorViewPart extends ViewPart implements
/** {@inheritDoc} */
@Override
public void dispose() {
- workspace.eAdapters().remove(workspaceListener);
((NavigatorService) INavigatorService.INSTANCE)
.setNavigatorViewPart(null);
@@ -257,6 +172,7 @@ public final class NavigatorViewPart extends ViewPart implements
/** {@inheritDoc} */
@Override
public void doubleClick(DoubleClickEvent event) {
+ // delegate to the editor service
if (event.getSelection() instanceof IStructuredSelection) {
EObject element = EObjectSelectionUtils.getFirstElement(event
.getSelection());
diff --git a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/properties/PropertiesAdapterFactory.java b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/properties/PropertiesAdapterFactory.java
index 836ce2931..d6a2d6cbf 100644
--- a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/properties/PropertiesAdapterFactory.java
+++ b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/properties/PropertiesAdapterFactory.java
@@ -19,8 +19,8 @@ package org.fortiss.tooling.kernel.internal.properties;
import org.eclipse.core.runtime.IAdapterFactory;
import org.eclipse.emf.ecore.EObject;
-import org.eclipse.emf.emfstore.common.model.util.ModelUtil;
import org.eclipse.ui.views.properties.tabbed.ITabbedPropertySheetPageContributor;
+import org.fortiss.tooling.kernel.services.IPersistencyService;
import org.fortiss.tooling.kernel.services.IPropertiesService;
/**
@@ -40,7 +40,8 @@ public final class PropertiesAdapterFactory implements IAdapterFactory {
if (adapterType == ITabbedPropertySheetPageContributor.class
&& adaptableObject instanceof EObject) {
EObject modelElement = (EObject) adaptableObject;
- if (ModelUtil.getProject(modelElement) != null) {
+ if (IPersistencyService.INSTANCE
+ .getTopLevelElementFor(modelElement) != null) {
return new ITabbedPropertySheetPageContributor() {
@Override
diff --git a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/storage/eclipse/AutoUndoCommandStack.java b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/storage/eclipse/AutoUndoCommandStack.java
new file mode 100644
index 000000000..8bd3d86ea
--- /dev/null
+++ b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/storage/eclipse/AutoUndoCommandStack.java
@@ -0,0 +1,141 @@
+/*--------------------------------------------------------------------------+
+$Id$
+| |
+| Copyright 2011 ForTISS GmbH |
+| |
+| Licensed under the Apache License, Version 2.0 (the "License"); |
+| you may not use this file except in compliance with the License. |
+| You may obtain a copy of the License at |
+| |
+| http://www.apache.org/licenses/LICENSE-2.0 |
+| |
+| Unless required by applicable law or agreed to in writing, software |
+| distributed under the License is distributed on an "AS IS" BASIS, |
+| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
+| See the License for the specific language governing permissions and |
+| limitations under the License. |
++--------------------------------------------------------------------------*/
+package org.fortiss.tooling.kernel.internal.storage.eclipse;
+
+import java.util.Map;
+
+import org.eclipse.emf.common.command.Command;
+import org.eclipse.emf.common.command.CommandStackListener;
+import org.eclipse.emf.transaction.ExceptionHandler;
+import org.eclipse.emf.transaction.RollbackException;
+import org.eclipse.emf.transaction.TransactionalCommandStack;
+import org.eclipse.emf.transaction.TransactionalEditingDomain;
+
+/**
+ * This command stack warps a {@link TransactionalEditingDomain} and forwards
+ * all calls to its command stack. However all commands which are executed are
+ * wrapped in an AutoUndoCommand first.
+ *
+ * @author hummelb
+ * @author $Author$
+ * @version $Rev$
+ * @levd.rating YELLOW Hash: 5D53FF5E73D3F0E9DFBD7F3CE61548D5
+ */
+public class AutoUndoCommandStack implements TransactionalCommandStack {
+
+ /** The underlying editing domain. */
+ private final TransactionalEditingDomain editingDomain;
+
+ /** The underlying command stack. */
+ private final TransactionalCommandStack commandStack;
+
+ /** Constructor. */
+ public AutoUndoCommandStack(TransactionalEditingDomain editingDomain) {
+ this.editingDomain = editingDomain;
+ commandStack = (TransactionalCommandStack) editingDomain
+ .getCommandStack();
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public void addCommandStackListener(CommandStackListener listener) {
+ commandStack.addCommandStackListener(listener);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public boolean canRedo() {
+ return commandStack.canRedo();
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public boolean canUndo() {
+ return commandStack.canUndo();
+ }
+
+ /** {@inheritDoc} */
+ @SuppressWarnings("rawtypes")
+ @Override
+ public void execute(Command command, Map options)
+ throws InterruptedException, RollbackException {
+ commandStack.execute(
+ new EMFTransactionalCommand(command, editingDomain), options);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public void execute(Command command) {
+ commandStack
+ .execute(new EMFTransactionalCommand(command, editingDomain));
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public void flush() {
+ commandStack.flush();
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public ExceptionHandler getExceptionHandler() {
+ return commandStack.getExceptionHandler();
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public Command getMostRecentCommand() {
+ return commandStack.getMostRecentCommand();
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public Command getRedoCommand() {
+ return commandStack.getRedoCommand();
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public Command getUndoCommand() {
+ return commandStack.getUndoCommand();
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public void redo() {
+ commandStack.redo();
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public void removeCommandStackListener(CommandStackListener listener) {
+ commandStack.removeCommandStackListener(listener);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public void setExceptionHandler(ExceptionHandler handler) {
+ commandStack.setExceptionHandler(handler);
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public void undo() {
+ commandStack.undo();
+ }
+}
diff --git a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/storage/eclipse/EMFTransactionalCommand.java b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/storage/eclipse/EMFTransactionalCommand.java
new file mode 100644
index 000000000..2fa2733fb
--- /dev/null
+++ b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/storage/eclipse/EMFTransactionalCommand.java
@@ -0,0 +1,182 @@
+/*--------------------------------------------------------------------------+
+$Id$
+| |
+| Copyright 2011 ForTISS GmbH |
+| |
+| Licensed under the Apache License, Version 2.0 (the "License"); |
+| you may not use this file except in compliance with the License. |
+| You may obtain a copy of the License at |
+| |
+| http://www.apache.org/licenses/LICENSE-2.0 |
+| |
+| Unless required by applicable law or agreed to in writing, software |
+| distributed under the License is distributed on an "AS IS" BASIS, |
+| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
+| See the License for the specific language governing permissions and |
+| limitations under the License. |
++--------------------------------------------------------------------------*/
+package org.fortiss.tooling.kernel.internal.storage.eclipse;
+
+import java.util.Collection;
+
+import org.conqat.ide.commons.ui.logging.LoggingUtils;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.emf.common.command.Command;
+import org.eclipse.emf.common.command.CompoundCommand;
+import org.eclipse.emf.transaction.RecordingCommand;
+import org.eclipse.emf.transaction.RollbackException;
+import org.eclipse.emf.transaction.Transaction;
+import org.eclipse.emf.transaction.TransactionalEditingDomain;
+import org.eclipse.emf.transaction.impl.InternalTransactionalEditingDomain;
+import org.fortiss.tooling.kernel.ToolingKernelActivator;
+
+/**
+ * This class wraps another EMF command and makes sure that all execute methods
+ * ({@link #execute()}, {@link #undo()}, {@link #redo()}) are executed inside of
+ * a transaction. As a bonus the undo and redo methods are based on the
+ * transaction of the execute call (i.e. are coming for free).
+ *
+ * @author hummelb
+ * @author $Author$
+ * @version $Rev$
+ * @levd.rating YELLOW Hash: 625F16187EE652EBF03196972D41AFE9
+ */
+public class EMFTransactionalCommand implements Command {
+
+ /** The wrapped command. */
+ private final Command inner;
+
+ /** The recording command used. */
+ private final RecordingCommand recordingCommand;
+
+ /** The editing domain. */
+ private final InternalTransactionalEditingDomain editingDomain;
+
+ /** Constructor. */
+ public EMFTransactionalCommand(Command command,
+ TransactionalEditingDomain editingDomain) {
+ inner = command;
+ recordingCommand = new RecordingCommand(editingDomain) {
+ @Override
+ protected void doExecute() {
+ inner.execute();
+ }
+ };
+ this.editingDomain = (InternalTransactionalEditingDomain) editingDomain;
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public void execute() {
+ runInTransaction(new Runnable() {
+ @Override
+ public void run() {
+ recordingCommand.execute();
+ }
+ });
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public void redo() {
+ runInTransaction(new Runnable() {
+ @Override
+ public void run() {
+ recordingCommand.redo();
+ }
+ });
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public void undo() {
+ runInTransaction(new Runnable() {
+ @Override
+ public void run() {
+ recordingCommand.undo();
+ }
+ });
+ }
+
+ /**
+ * Executes the given runnable in a transaction.
+ */
+ private void runInTransaction(Runnable runnable) {
+ Transaction tx = null;
+ try {
+ tx = editingDomain.startTransaction(false, null);
+ runnable.run();
+ } catch (InterruptedException e) {
+ LoggingUtils.error(ToolingKernelActivator.getDefault(),
+ "Had unexpected interruption in command execution!", e);
+ } finally {
+ if (tx != null) {
+ try {
+ tx.commit();
+ } catch (RollbackException e) {
+ // There is nothing we can do about.
+ // Maybe it even was intended, so ignore.
+ }
+ } else {
+ LoggingUtils.log(ToolingKernelActivator.getDefault(),
+ "Was not able to start transaction!", IStatus.ERROR);
+ }
+ }
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public boolean canExecute() {
+ return inner.canExecute();
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public boolean canUndo() {
+ return recordingCommand.canUndo();
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public Collection<?> getAffectedObjects() {
+ return inner.getAffectedObjects();
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public String getDescription() {
+ return inner.getDescription();
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public String getLabel() {
+ return inner.getLabel();
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public Collection<?> getResult() {
+ return inner.getResult();
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public Command chain(Command command) {
+ if (command == null) {
+ return this;
+ }
+
+ final CompoundCommand result = new CompoundCommand();
+ result.append(this);
+ result.append(command);
+ return result;
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public void dispose() {
+ inner.dispose();
+ recordingCommand.dispose();
+ }
+}
diff --git a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/handler/ProjectModelElementHandler.java b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/storage/eclipse/EMultiContentsIterator.java
similarity index 50%
rename from org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/handler/ProjectModelElementHandler.java
rename to org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/storage/eclipse/EMultiContentsIterator.java
index d657e121d..6bd463b0e 100644
--- a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/handler/ProjectModelElementHandler.java
+++ b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/storage/eclipse/EMultiContentsIterator.java
@@ -15,58 +15,73 @@ $Id$
| See the License for the specific language governing permissions and |
| limitations under the License. |
+--------------------------------------------------------------------------*/
-package org.fortiss.tooling.kernel.internal.handler;
+package org.fortiss.tooling.kernel.internal.storage.eclipse;
-import java.util.ArrayList;
-import java.util.List;
+import java.util.Collection;
+import java.util.Iterator;
import org.eclipse.emf.ecore.EObject;
-import org.eclipse.emf.emfstore.client.model.WorkspaceManager;
-import org.eclipse.emf.emfstore.common.model.Project;
-import org.eclipse.jface.resource.ImageDescriptor;
-import org.fortiss.tooling.kernel.ToolingKernelActivator;
-import org.fortiss.tooling.kernel.base.HandlerBase;
-import org.fortiss.tooling.kernel.interfaces.IHandler;
-import org.fortiss.tooling.kernel.model.IProjectRootElement;
/**
- * {@link IHandler} for {@link Project}s.
+ * An iterator class which is similar to the iterator returned from
+ * {@link EObject#eAllContents()}, but can be used on multiple objects and also
+ * includes the objects themselves.
*
- * @author hoelzlf
+ * @author hummelb
* @author $Author$
* @version $Rev$
- * @levd.rating RED Rev:
+ * @levd.rating GREEN Rev: 1794
*/
-public final class ProjectModelElementHandler extends HandlerBase<Project> {
+public class EMultiContentsIterator implements Iterator<EObject> {
- /** {@inheritDoc} */
- @Override
- public String getName(Project element) {
- return WorkspaceManager.getProjectSpace(element).getProjectName();
+ /** The objects to iterate on. */
+ private final EObject[] objects;
+
+ /** Current index into the array. */
+ private int currentIndex = 0;
+
+ /** Inner iterator. */
+ private Iterator<EObject> inner = null;
+
+ /** Constructor. */
+ public EMultiContentsIterator(EObject... objects) {
+ this.objects = objects;
}
- /** {@inheritDoc} */
- @Override
- public String getDescription(Project element) {
- return WorkspaceManager.getProjectSpace(element)
- .getProjectDescription();
+ /** Constructor. */
+ public EMultiContentsIterator(Collection<EObject> objects) {
+ this.objects = objects.toArray(new EObject[objects.size()]);
}
/** {@inheritDoc} */
@Override
- public ImageDescriptor getIconImageDescriptor() {
- return ToolingKernelActivator.getImageDescriptor("icons/project.png");
+ public boolean hasNext() {
+ return currentIndex < objects.length;
}
/** {@inheritDoc} */
@Override
- public List<EObject> getSubnodes(Project element) {
- List<EObject> list = new ArrayList<EObject>();
- for (EObject node : element.getModelElements()) {
- if (node instanceof IProjectRootElement) {
- list.add(node);
- }
+ public EObject next() {
+ EObject result;
+ if (inner == null) {
+ result = objects[currentIndex];
+ inner = result.eAllContents();
+ } else {
+ result = inner.next();
}
- return list;
+
+ // already check whether there is more to come
+ if (!inner.hasNext()) {
+ inner = null;
+ currentIndex++;
+ }
+
+ return result;
+ }
+
+ /** Removal is not supported. */
+ @Override
+ public void remove() {
+ throw new UnsupportedOperationException();
}
}
diff --git a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/storage/eclipse/EclipseResourceStorageProvider.java b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/storage/eclipse/EclipseResourceStorageProvider.java
new file mode 100644
index 000000000..992b4aa09
--- /dev/null
+++ b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/storage/eclipse/EclipseResourceStorageProvider.java
@@ -0,0 +1,233 @@
+/*--------------------------------------------------------------------------+
+$Id$
+| |
+| Copyright 2011 ForTISS GmbH |
+| |
+| Licensed under the Apache License, Version 2.0 (the "License"); |
+| you may not use this file except in compliance with the License. |
+| You may obtain a copy of the License at |
+| |
+| http://www.apache.org/licenses/LICENSE-2.0 |
+| |
+| Unless required by applicable law or agreed to in writing, software |
+| distributed under the License is distributed on an "AS IS" BASIS, |
+| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
+| See the License for the specific language governing permissions and |
+| limitations under the License. |
++--------------------------------------------------------------------------*/
+package org.fortiss.tooling.kernel.internal.storage.eclipse;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.IdentityHashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.conqat.ide.commons.ui.dialog.MessageUtils;
+import org.conqat.ide.commons.ui.logging.LoggingUtils;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IResourceChangeEvent;
+import org.eclipse.core.resources.IResourceChangeListener;
+import org.eclipse.core.resources.IResourceDelta;
+import org.eclipse.core.resources.IResourceDeltaVisitor;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.emf.common.command.CommandStack;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+import org.eclipse.swt.widgets.Display;
+import org.fortiss.tooling.kernel.ToolingKernelActivator;
+import org.fortiss.tooling.kernel.interfaces.IStorageProvider;
+import org.fortiss.tooling.kernel.services.IPersistencyService;
+
+/**
+ * This class implements the persistency service behavior for Eclipse file
+ * storage.
+ *
+ * @author hoelzlf
+ * @author $Author$
+ * @version $Rev$
+ * @levd.rating RED Rev:
+ */
+public class EclipseResourceStorageProvider implements IStorageProvider,
+ IResourceChangeListener {
+ /** Cache of models loaded so far. */
+ private final Map<IFile, ModelContext> loadedContexts = new HashMap<IFile, ModelContext>();
+
+ /** Map from toplevel elements to context. */
+ private final Map<EObject, ModelContext> rootElementContexts = new IdentityHashMap<EObject, ModelContext>();
+
+ /** Constructor. */
+ public EclipseResourceStorageProvider() {
+ ResourcesPlugin.getWorkspace().addResourceChangeListener(this);
+ searchWorkspaceForModels();
+ }
+
+ /** Searches existing models in Eclipse project roots. */
+ private synchronized void searchWorkspaceForModels() {
+ for (IProject project : ResourcesPlugin.getWorkspace().getRoot()
+ .getProjects()) {
+ if (!project.isOpen()) {
+ continue;
+ }
+ try {
+ for (IResource res : project.members()) {
+ if (res instanceof IFile) {
+ IFile file = (IFile) res;
+ // TODO (FH): use an extension mechanism for this check
+ if (file.getFileExtension().equals("af3_20")) {
+ loadContext(file);
+ }
+ }
+ }
+ } catch (CoreException e) {
+ // ignore
+ } catch (IOException ioex) {
+ // ignore
+ }
+ }
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public void resourceChanged(IResourceChangeEvent event) {
+ synchronized (this) {
+ if (event.getDelta() == null) {
+ return;
+ }
+ try {
+ event.getDelta().accept(new IResourceDeltaVisitor() {
+ @Override
+ public boolean visit(IResourceDelta delta) {
+ if ((delta.getFlags() & IResourceDelta.CONTENT) == 0) {
+ return true;
+ }
+
+ if (delta.getResource() instanceof IFile
+ && isLoaded((IFile) delta.getResource())) {
+ if (delta.getKind() == IResourceDelta.REMOVED) {
+ unloadContext((IFile) delta.getResource());
+ // Refresh the top-level elements
+ IPersistencyService.INSTANCE
+ .refreshTopLevelElements(EclipseResourceStorageProvider.this);
+ } else if (delta.getKind() == IResourceDelta.CHANGED) {
+ // this also refreshes top-level elements
+ handleChange((IFile) delta.getResource());
+ }
+ }
+ return true;
+ }
+ });
+ } catch (final CoreException e) {
+ LoggingUtils.error(ToolingKernelActivator.getDefault(),
+ "Should not happen!", e);
+ }
+ }
+ }
+
+ /** Handles a change of the given file (which is actually managed). */
+ private void handleChange(final IFile file) {
+ final ModelContext context = loadedContexts.get(file);
+ if (!context.getLastChangeWasIntended()) {
+ Display.getDefault().asyncExec(new Runnable() {
+ @Override
+ public void run() {
+ final boolean reload = MessageUtils.askQuestion(
+ "Reload changed file?",
+ "The file "
+ + file.getName()
+ + " changed on disk. "
+ + "Load these changes? "
+ + "Note that loading the changes will discard all editors, "
+ + "so all unsaved changes and the undo history will be lost. "
+ + "However if you do not reload now, "
+ + "the contents of the file will be overwritten "
+ + "the next time you perform a save.");
+
+ if (reload) {
+ unloadContext(file);
+ try {
+ loadContext(file).setLastChangeWasIntended();
+
+ // perform touch to make sure the viewer does a
+ // refresh
+ file.touch(null);
+ } catch (final Exception e) {
+ LoggingUtils.error(
+ ToolingKernelActivator.getDefault(),
+ "Had an error during reloading the file!",
+ e);
+ }
+ }
+
+ // Refresh the top-level elements
+ IPersistencyService.INSTANCE
+ .refreshTopLevelElements(EclipseResourceStorageProvider.this);
+ }
+ });
+ }
+ }
+
+ /** Returns whether the given file has been loaded by this manager. */
+ public synchronized boolean isLoaded(IFile file) {
+ return loadedContexts.containsKey(file);
+ }
+
+ /** Loads a file and creates a new context from its contents. */
+ private ModelContext loadContext(IFile file) throws IOException {
+ ModelContext mc = new ModelContext(file);
+ loadedContexts.put(file, mc);
+ for (EObject top : mc.getTopLevelElements()) {
+ rootElementContexts.put(top, mc);
+ }
+ return mc;
+ }
+
+ /** Loads a file and creates a new context from its contents. */
+ private void unloadContext(IFile file) {
+ final ModelContext context = loadedContexts.remove(file);
+ if (context != null) {
+ for (EObject top : context.getTopLevelElements()) {
+ rootElementContexts.remove(top);
+ }
+ context.destroy();
+ }
+ }
+
+ /**
+ * Returns the model context for the given model element. This operation is
+ * implemented by traversing upwards along the parent hierarchy and checking
+ * all known model contexts if they include the top-most element. If no
+ * context is found, null is returned.
+ */
+ private synchronized ModelContext getContext(EObject o) {
+ return rootElementContexts.get(EcoreUtil.getRootContainer(o));
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public List<EObject> getTopLevelElements() {
+ List<EObject> result = new ArrayList<EObject>();
+ result.addAll(rootElementContexts.keySet());
+ return result;
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public CommandStack getCommandStack(EObject modelElement) {
+ ModelContext mc = getContext(modelElement);
+ if (mc != null) {
+ return mc.getTransactionalCommandStack();
+ }
+ return null;
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public void runAsCommand(EObject modelElement, Runnable runner) {
+ getContext(modelElement).runAsCommand(runner);
+ }
+}
diff --git a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/storage/eclipse/ModelContext.java b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/storage/eclipse/ModelContext.java
new file mode 100644
index 000000000..560cf3cc3
--- /dev/null
+++ b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/storage/eclipse/ModelContext.java
@@ -0,0 +1,390 @@
+/*--------------------------------------------------------------------------+
+$Id$
+| |
+| Copyright 2011 ForTISS GmbH |
+| |
+| Licensed under the Apache License, Version 2.0 (the "License"); |
+| you may not use this file except in compliance with the License. |
+| You may obtain a copy of the License at |
+| |
+| http://www.apache.org/licenses/LICENSE-2.0 |
+| |
+| Unless required by applicable law or agreed to in writing, software |
+| distributed under the License is distributed on an "AS IS" BASIS, |
+| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
+| See the License for the specific language governing permissions and |
+| limitations under the License. |
++--------------------------------------------------------------------------*/
+package org.fortiss.tooling.kernel.internal.storage.eclipse;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Set;
+
+import org.conqat.ide.commons.ui.logging.LoggingUtils;
+import org.conqat.lib.commons.collections.CollectionUtils;
+import org.conqat.lib.commons.collections.IdentityHashSet;
+import org.conqat.lib.commons.collections.UnmodifiableList;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.WorkspaceJob;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.IStatus;
+import org.eclipse.core.runtime.Status;
+import org.eclipse.emf.common.command.AbstractCommand;
+import org.eclipse.emf.common.command.BasicCommandStack;
+import org.eclipse.emf.common.command.CommandStack;
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+import org.eclipse.emf.transaction.TransactionalCommandStack;
+import org.eclipse.emf.transaction.TransactionalEditingDomain;
+import org.eclipse.ui.IEditorPart;
+import org.fortiss.tooling.kernel.ToolingKernelActivator;
+import org.fortiss.tooling.kernel.model.IIdLabeled;
+import org.fortiss.tooling.kernel.services.IModelElementService;
+import org.fortiss.tooling.kernel.util.EMFResourceUtils;
+
+/**
+ * The model context provides additional commands and hooks for a model.
+ * Additionally an editing domain is provided.
+ *
+ * @author hummelb
+ * @author $Author$
+ * @version $Rev$
+ * @levd.rating YELLOW Rev: 1101
+ */
+class ModelContext {
+
+ /** The resource set we are using. */
+ private final ResourceSet rset;
+
+ /** The file this model is from. */
+ private final IFile file;
+
+ /** The resource containing the model. */
+ private final Resource r;
+
+ /** The editing domain used for this model. */
+ private final TransactionalEditingDomain editingDomain;
+
+ /** The transactional command stack. */
+ private final AutoUndoCommandStack transactionalCommandStack;
+
+ /**
+ * Set of editors which depend on this context. These editors are closed
+ * when the underlying file is deleted or changed.
+ */
+ private final Set<IEditorPart> dependentEditors = new IdentityHashSet<IEditorPart>();
+
+ /** Flag for remembering whether the last change of the file was intended. */
+ private boolean lastChangeWasIntended = false;
+
+ /** The maximal ID used in this model (used to generate new IDs). */
+ private int maxId = -1;
+
+ /** Constructor. */
+ /* package */ModelContext(IFile file) throws IOException {
+ this.file = file;
+
+ editingDomain = TransactionalEditingDomain.Factory.INSTANCE
+ .createEditingDomain();
+ rset = editingDomain.getResourceSet();
+
+ r = rset.createResource(URI.createPlatformResourceURI(file
+ .getFullPath().toString(), true));
+ r.load(EMFResourceUtils.buildOptionsMap());
+
+ transactionalCommandStack = new AutoUndoCommandStack(editingDomain);
+
+ checkIDs();
+ }
+
+ /** Checks whether all IDs are present and updates {@link #maxId}. */
+ private void checkIDs() {
+ boolean hadMissing = false;
+ for (final Iterator<EObject> i = new EMultiContentsIterator(
+ getTopLevelElements()); i.hasNext();) {
+ final EObject eo = i.next();
+ if (eo instanceof IIdLabeled) {
+ if (((IIdLabeled) eo).getId() <= 0) {
+ hadMissing = true;
+ }
+ maxId = Math.max(maxId, ((IIdLabeled) eo).getId());
+ }
+ }
+ maxId = Math.max(0, maxId);
+ if (hadMissing) {
+ runAsCommand(new Runnable() {
+ @Override
+ public void run() {
+ generateMissingIDs();
+ }
+ });
+ }
+ }
+
+ /** Generates missing IDs. Must be called within transaction. */
+ private void generateMissingIDs() {
+ for (final Iterator<EObject> i = new EMultiContentsIterator(
+ getTopLevelElements()); i.hasNext();) {
+ final EObject eo = i.next();
+ if (eo instanceof IIdLabeled) {
+ if (((IIdLabeled) eo).getId() <= 0) {
+ ((IIdLabeled) eo).setId((++maxId));
+ }
+ }
+ }
+ }
+
+ /**
+ * Scans the given objects and sets up its IDs such that the uniqueness of
+ * IDs will be maintained in this model even after it has been composed into
+ * this model.
+ */
+ /* package */void prepareIDsForCompose(EObject other) {
+ boolean needSmart = false;
+ for (final Iterator<EObject> i = new EMultiContentsIterator(other); i
+ .hasNext();) {
+ final EObject eo = i.next();
+ if (eo instanceof IIdLabeled) {
+ if (((IIdLabeled) eo).getId() <= 0) {
+ ((IIdLabeled) eo).setId(++maxId);
+ } else {
+ needSmart = true;
+ }
+ }
+ }
+
+ if (needSmart) {
+ final Set<Integer> usedIDs = new HashSet<Integer>();
+ for (final Iterator<EObject> i = new EMultiContentsIterator(
+ getTopLevelElements()); i.hasNext();) {
+ final EObject eo = i.next();
+ if (eo instanceof IIdLabeled) {
+ usedIDs.add(((IIdLabeled) eo).getId());
+ }
+ }
+
+ for (final Iterator<EObject> i = new EMultiContentsIterator(other); i
+ .hasNext();) {
+ final EObject eo = i.next();
+ if (eo instanceof IIdLabeled) {
+ if (!usedIDs.add(((IIdLabeled) eo).getId())) {
+ final int newId = ++maxId;
+ ((IIdLabeled) eo).setId(newId);
+ usedIDs.add(newId);
+ }
+ }
+ }
+ }
+ }
+
+ /**
+ * Add a dependent editor part which will be closed when this context
+ * becomes invalid.
+ */
+ /* package */void addDependentEditor(IEditorPart editor) {
+ dependentEditors.add(editor);
+ }
+
+ /** Removes an editor added via {@link #addDependentEditor(IEditorPart)}. */
+ /* package */void removeDependentEditor(IEditorPart editor) {
+ dependentEditors.remove(editor);
+ }
+
+ /** Destroys this context and closes all dependent editors. */
+ public void destroy() {
+ // discard changes
+ ((BasicCommandStack) editingDomain.getCommandStack()).saveIsDone();
+
+ final List<IEditorPart> editors = new ArrayList<IEditorPart>(
+ dependentEditors);
+ dependentEditors.clear();
+
+ for (final IEditorPart editor : editors) {
+ editor.getSite().getShell().getDisplay().asyncExec(new Runnable() {
+ @Override
+ public void run() {
+ editor.getSite().getPage().closeEditor(editor, false);
+ }
+ });
+ }
+ }
+
+ /** Returns the top-level elements of this model. */
+ public UnmodifiableList<EObject> getTopLevelElements() {
+ return CollectionUtils.asUnmodifiable(r.getContents());
+ }
+
+ /** Returns the file associated with this model. */
+ public IFile getFile() {
+ return file;
+ }
+
+ /** Returns whether the model is dirty (i.e. if there are unsaved changes). */
+ public boolean isDirty() {
+ return ((BasicCommandStack) editingDomain.getCommandStack())
+ .isSaveNeeded();
+ }
+
+ /** Perform saving of the model. */
+ public synchronized void doSave(IProgressMonitor monitor)
+ throws IOException, CoreException {
+ monitor.beginTask("Saving...", 2);
+
+ // perform ID checking before safe to not produce inconsistent models
+ checkIDs();
+
+ // we use a two-state save process, as otherwise inconsistencies in the
+ // model can lead to partially written files which are unreadable and
+ // thus cause data loss.
+ final ByteArrayOutputStream bytes = new ByteArrayOutputStream();
+ r.save(bytes, EMFResourceUtils.buildOptionsMap());
+ monitor.worked(1);
+
+ setLastChangeWasIntended();
+ file.setContents(new ByteArrayInputStream(bytes.toByteArray()), false,
+ true, monitor);
+
+ monitor.worked(1);
+
+ ((BasicCommandStack) editingDomain.getCommandStack()).saveIsDone();
+ performNotifyListeners(editingDomain.getCommandStack());
+
+ monitor.done();
+
+ // schedule actual marker creation as separate job
+ // we use a WorkspaceJob here since marker creation
+ // results in resource changed notifications that should
+ // be batched.
+ new WorkspaceJob("Create CCTS markers") {
+ @Override
+ public IStatus runInWorkspace(IProgressMonitor monitor) {
+ // TODO (FH): call marker service
+ // createMarkers();
+ return Status.OK_STATUS;
+ }
+ }.schedule();
+ }
+
+ /**
+ * Returns whether the last change was caused by a save. This method has a
+ * side effect! The {@link #lastChangeWasIntended} flag will be reset, so
+ * this method should only be called once per change event.
+ */
+ public synchronized boolean getLastChangeWasIntended() {
+ final boolean result = lastChangeWasIntended;
+ lastChangeWasIntended = false;
+ return result;
+ }
+
+ /** Sets the {@link #lastChangeWasIntended} flag to true. */
+ public synchronized void setLastChangeWasIntended() {
+ lastChangeWasIntended = true;
+ }
+
+ /**
+ * Returns the editing domain of this model's context. Note that the command
+ * stack contained in the returned editing domain is raw (i.e. does not deal
+ * with transactions). Usually you should use the command stack returned
+ * from {@link #getTransactionalCommandStack()}, unless you know what you
+ * are doing.
+ */
+ public TransactionalEditingDomain getEditingDomain() {
+ return editingDomain;
+ }
+
+ /**
+ * Returns the command stack to be used, which automatically wraps all
+ * commands in a transaction and provides easy undo/redo.
+ */
+ public TransactionalCommandStack getTransactionalCommandStack() {
+ return transactionalCommandStack;
+ }
+
+ /** Runs the given runnable as a command. */
+ public void runAsCommand(final Runnable runnable) {
+ transactionalCommandStack.execute(new AbstractCommand() {
+
+ @Override
+ public boolean canExecute() {
+ return true;
+ }
+
+ @Override
+ public void execute() {
+ runnable.run();
+ }
+
+ @Override
+ public void redo() {
+ // we do nothing here, as redo is handled by our command stack.
+ }
+ });
+ }
+
+ /**
+ * Returns the object from this context, whose qualified name is provided.
+ * If none is found, null is returned. This method is relatively expensive
+ * as the search is not efficient.
+ */
+ /* package */EObject findElementByName(String qualifiedName) {
+ EObject result = null;
+ int lastPos = 0;
+
+ // TODO (FH): that is bad code!
+ final int l = qualifiedName.length();
+ OUTER: while (lastPos <= l) {
+ int sepPos = qualifiedName.indexOf("/", lastPos);
+ while (sepPos >= 0 && sepPos + 1 < l
+ && qualifiedName.charAt(sepPos + 1) == '/') {
+ sepPos = qualifiedName.indexOf("/", sepPos + 2);
+ }
+ if (sepPos < 0) {
+ sepPos = l;
+ }
+
+ final String namePart = qualifiedName.substring(lastPos, sepPos);
+ lastPos = sepPos + 1;
+
+ List<EObject> children;
+ if (result == null) {
+ children = getTopLevelElements();
+ } else {
+ children = result.eContents();
+ }
+ for (final EObject e : children) {
+ if (namePart.equals(IModelElementService.INSTANCE
+ .getModelElementHandler(e).getName(e))) {
+ result = e;
+ continue OUTER;
+ }
+ }
+ return null;
+ }
+
+ return result;
+ }
+
+ /** Helper method for calling notifyListeners on the given stack. */
+ /* package */void performNotifyListeners(CommandStack commandStack) {
+ try {
+ Method notifyListenersMethod = BasicCommandStack.class
+ .getDeclaredMethod("notifyListeners");
+ notifyListenersMethod.setAccessible(true);
+ notifyListenersMethod.invoke(commandStack);
+ } catch (Exception e) {
+ LoggingUtils.error(ToolingKernelActivator.getDefault(),
+ "Notification after save failed!", e);
+ }
+ }
+
+}
diff --git a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/services/IPersistencyService.java b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/services/IPersistencyService.java
index 6f90f1efc..923ebf32e 100644
--- a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/services/IPersistencyService.java
+++ b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/services/IPersistencyService.java
@@ -17,11 +17,18 @@ $Id$
+--------------------------------------------------------------------------*/
package org.fortiss.tooling.kernel.services;
+import java.util.List;
+
+import org.eclipse.emf.common.command.CommandStack;
+import org.eclipse.emf.ecore.EObject;
+import org.fortiss.tooling.kernel.interfaces.IStorageProvider;
+import org.fortiss.tooling.kernel.interfaces.ITopLevelElementChangeListener;
import org.fortiss.tooling.kernel.internal.PersistencyService;
/**
- * The persistency service provides the access to the different persistency
- * options, namely an EMFStore or local XML files within an Eclipse project.
+ * The persistency service provides the transparent access to the different
+ * persistency options, namely an EMFStore or local XML files within an Eclipse
+ * project.
*
* @author hoelzl
* @author $Author$
@@ -33,5 +40,31 @@ public interface IPersistencyService {
/** Returns the singleton instance of the service. */
public static final IPersistencyService INSTANCE = new PersistencyService();
- // TODO (FH): define
+ /**
+ * Returns the list of top level {@link EObject}s provided by
+ * {@link IStorageProvider}s.
+ */
+ List<EObject> getTopLevelElements();
+
+ /**
+ * Refreshes the list of top-level elements. This method should be called by
+ * storage providers whenever their list of provided top-level elements
+ * changes.
+ */
+ void refreshTopLevelElements(IStorageProvider provider);
+
+ /** Adds a top-level element listener. */
+ void addTopLevelElementListener(ITopLevelElementChangeListener listener);
+
+ /** Removes a top-level element listener. */
+ void removeTopLevelElementListener(ITopLevelElementChangeListener listener);
+
+ /** Returns the top-level element for the given model element. */
+ EObject getTopLevelElementFor(EObject modelElement);
+
+ /** Returns the storage provider for the given model element. */
+ IStorageProvider getStorageProviderFor(EObject modelElement);
+
+ /** Returns the command stack for the given model element. */
+ CommandStack getCommandStack(EObject modelElement);
}
diff --git a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/compose/ProjectCompositor.java b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/util/EMFResourceUtils.java
similarity index 54%
rename from org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/compose/ProjectCompositor.java
rename to org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/util/EMFResourceUtils.java
index dc8d0923f..b33b2da63 100644
--- a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/compose/ProjectCompositor.java
+++ b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/util/EMFResourceUtils.java
@@ -15,36 +15,47 @@ $Id$
| See the License for the specific language governing permissions and |
| limitations under the License. |
+--------------------------------------------------------------------------*/
-package org.fortiss.tooling.kernel.internal.compose;
+package org.fortiss.tooling.kernel.util;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EObject;
-import org.eclipse.emf.emfstore.common.model.Project;
-import org.fortiss.tooling.kernel.interfaces.ICompositionContext;
-import org.fortiss.tooling.kernel.interfaces.ICompositor;
-import org.fortiss.tooling.kernel.model.IProjectRootElement;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
+import org.eclipse.emf.ecore.xmi.XMLResource;
/**
- * {@link ICompositor} implementation for the {@link IProjectRootElement}s.
+ * Utility methods used for Eclipse resource storage.
*
* @author hoelzlf
* @author $Author$
* @version $Rev$
* @levd.rating RED Rev:
*/
-public final class ProjectCompositor implements ICompositor<Project> {
+public final class EMFResourceUtils {
+ /**
+ * Stores the given EObject in the Eclipse workspace creating the given
+ * IFile.
+ */
+ public static void createNewEclipseWorkspaceProject(IFile file,
+ EObject topLevelElement) throws IOException {
- /** {@inheritDoc} */
- @Override
- public boolean canCompose(Project container, EObject contained,
- ICompositionContext context) {
- return contained instanceof IProjectRootElement;
+ final Resource r = new ResourceSetImpl()
+ .createResource(URI.createPlatformResourceURI(file
+ .getFullPath().toString(), true));
+ r.getContents().add(topLevelElement);
+ r.save(buildOptionsMap());
}
- /** {@inheritDoc} */
- @Override
- public boolean compose(Project container, EObject contained,
- ICompositionContext context) {
- container.addModelElement(contained);
- return true;
+ /** Build the map of options used for IO of EMF models. */
+ public static Map<String, Object> buildOptionsMap() {
+ Map<String, Object> options = new HashMap<String, Object>();
+ options.put(XMLResource.OPTION_ENCODING, "UTF-8");
+ options.put(Resource.OPTION_ZIP, false);
+ return options;
}
}
diff --git a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/util/ProjectRootElementUtils.java b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/util/ProjectRootElementUtils.java
index cf11b33f3..68cb87f73 100644
--- a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/util/ProjectRootElementUtils.java
+++ b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/util/ProjectRootElementUtils.java
@@ -17,14 +17,10 @@ $Id$
+--------------------------------------------------------------------------*/
package org.fortiss.tooling.kernel.util;
-import org.conqat.ide.commons.ui.logging.LoggingUtils;
import org.conqat.lib.commons.reflect.ReflectionUtils;
import org.eclipse.emf.ecore.EObject;
-import org.eclipse.emf.emfstore.client.model.ProjectSpace;
-import org.eclipse.emf.emfstore.client.model.WorkspaceManager;
-import org.eclipse.emf.emfstore.common.model.Project;
-import org.fortiss.tooling.kernel.ToolingKernelActivator;
import org.fortiss.tooling.kernel.model.IProjectRootElement;
+import org.fortiss.tooling.kernel.services.IPersistencyService;
/**
* Utility methods for accessing {@link IProjectRootElement}s.
@@ -36,27 +32,14 @@ import org.fortiss.tooling.kernel.model.IProjectRootElement;
*/
public final class ProjectRootElementUtils {
- /**
- * Returns the model element's ECP project or <code>null</code> .
- */
- public static ProjectSpace getProjectSpace(EObject element) {
- try {
- return WorkspaceManager.getProjectSpace(element);
- } catch (Exception e) {
- LoggingUtils.error(ToolingKernelActivator.getDefault(),
- "Unable to find ECP project!", e);
- }
- return null;
- }
-
/**
* Returns the instance of a project root element corresponding to the given
* class.
*/
public static <T extends IProjectRootElement> T getRootElement(
EObject element, Class<T> clazz) {
- Project project = getProjectSpace(element).getProject();
return ReflectionUtils.pickInstanceOf(clazz,
- project.getAllModelElements());
+ IPersistencyService.INSTANCE.getTopLevelElementFor(element)
+ .eContents());
}
}
--
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