Variability: DependingElementProvider is more generic

The DependingElementProvider service was improved to support more
generic depending element providers.

Issue-ref: 4281
Issue-URL: af3#4281

Signed-off-by: Andreas Bayha <bayha@fortiss.org>

org.fortiss.tooling.ext.variability/src/org/fortiss/tooling/ext/variability/service/.ratings

-DependingElementProviderService.java 5c4547e63b0f2ff547e0c3a7253105466e0b94c1 GREEN
-IDependingElementProvider.java bd4b7ff7c0a25368fc86d7fb26ecaa8a5234c76b GREEN
-IDependingElementProviderService.java 9b59f524a513caf9f5a2b6d16d3523a643b7cc9e GREEN
+DependingElementProviderService.java a041f3b5ff00984304ea94e9333555192c990053 YELLOW
+IDependingElementProvider.java 11b174e8a48f2152a0cc6066335e471cf288893c YELLOW
+IDependingElementProviderService.java 5bbff0a28f64b01331a6a5424cdb2104c000b57d YELLOW

org.fortiss.tooling.ext.variability/src/org/fortiss/tooling/ext/variability/service/DependingElementProviderService.java

@@ -29,7 +29,7 @@ import org.fortiss.tooling.kernel.service.base.EObjectAwareServiceBase;
  * @author bayha
  */
 public class DependingElementProviderService
-		extends EObjectAwareServiceBase<IDependingElementProvider<? extends EObject>>
+		extends EObjectAwareServiceBase<IDependingElementProvider<EObject>>
 		implements IDependingElementProviderService {
 
 	/** Singleton instance. */
@@ -41,11 +41,11 @@ public class DependingElementProviderService
 	public List<EObject> getDependingElements(EObject obj) {
 		List<EObject> res = new ArrayList<EObject>();
 
-		List<IDependingElementProvider<? extends EObject>> registeredHandlers =
+		List<IDependingElementProvider<EObject>> registeredHandlers =
 				getRegisteredHandlers(obj.getClass());
 
 		if(registeredHandlers != null) {
-			for(IDependingElementProvider<?> p : registeredHandlers) {
+			for(IDependingElementProvider<EObject> p : registeredHandlers) {
 				res.addAll(p.getDependingElements(obj));
 			}
 		}
@@ -100,9 +100,10 @@ public class DependingElementProviderService
 	}
 
 	/** {@inheritDoc} */
+	@SuppressWarnings("unchecked")
 	@Override
 	public void registerDependingElementProvider(
 			IDependingElementProvider<? extends EObject> provider, Class<? extends EObject> cls) {
-		addHandler(cls, provider);
+		addHandler(cls, (IDependingElementProvider<EObject>)provider);
 	}
 }

org.fortiss.tooling.ext.variability/src/org/fortiss/tooling/ext/variability/service/IDependingElementProvider.java

@@ -21,19 +21,22 @@ import org.eclipse.emf.ecore.EObject;
 import org.fortiss.tooling.kernel.service.base.IEObjectAware;
 
 /**
- * Interface for DependingElementProviders that can be registered in the {@link IDependingElementProviderService}.
+ * Interface for DependingElementProviders that can be registered in the
+ * {@link IDependingElementProviderService}.
  * 
  * @author bayha
  *
- * @param <T>	The subclass of {@link EObject} for which this provider shall be invoked. 
+ * @param <T>
+ *            The subclass of {@link EObject} for which this provider shall be invoked.
  */
 public interface IDependingElementProvider<T extends EObject> extends IEObjectAware<T> {
-	
+
 	/**
-	 * Retrieves the {@link EObject}s which depend on the given {@link EObject}.  
+	 * Retrieves the {@link EObject}s which depend on the given {@link EObject}.
 	 * 
-	 * @param elem	The {@link EObject} to retrieve elements which depend on it.
-	 * @return		The {@link List} of {@link EObject} which depend on elem.
+	 * @param elem
+	 *            The {@link EObject} to retrieve elements which depend on it.
+	 * @return The {@link List} of {@link EObject} which depend on elem.
 	 */
-	public List<EObject> getDependingElements(EObject elem);
+	public List<EObject> getDependingElements(T elem);
 }

org.fortiss.tooling.ext.variability/src/org/fortiss/tooling/ext/variability/service/IDependingElementProviderService.java

@@ -17,9 +17,9 @@ package org.fortiss.tooling.ext.variability.service;
 
 import java.util.List;
 
-
 import org.eclipse.emf.ecore.EObject;
 import org.fortiss.tooling.kernel.introspection.IIntrospectiveKernelService;
+
 /**
  * Interface of the DependingElementProviderService which resolves semantic
  * and syntactic dependencies between model elements.
@@ -29,7 +29,8 @@ import org.fortiss.tooling.kernel.introspection.IIntrospectiveKernelService;
 public interface IDependingElementProviderService extends IIntrospectiveKernelService {
 
 	/** Name of the respective extension point. */
-	/* package */static final String EXTENSION_POINT_NAME = "org.fortiss.af3.variability.dependingElementProvider";
+	/* package */static final String EXTENSION_POINT_NAME =
+			"org.fortiss.af3.variability.dependingElementProvider";
 	/** Name of the respective configuration element. */
 	/* package */ static final String CONFIGURATION_ELEMENT_NAME = "dependingElementProvider";
 
@@ -41,16 +42,20 @@ public interface IDependingElementProviderService extends IIntrospectiveKernelSe
 	/**
 	 * Retrieves all depending elements for the given {@link EObject}.
 	 * 
-	 * @param obj	The {@link EObject} to retrieve the elements which depend on it.
-	 * @return		The {@link List} of {@link EObject} which depend on the obj.
+	 * @param obj
+	 *            The {@link EObject} to retrieve the elements which depend on it.
+	 * @return The {@link List} of {@link EObject} which depend on the obj.
 	 */
 	public List<EObject> getDependingElements(EObject obj);
-	
+
 	/**
-	 * Registers the given {@link IDependingElementProvider} in this service.  
+	 * Registers the given {@link IDependingElementProvider} in this service.
 	 * 
-	 * @param provider	The {@link IDependingElementProvider} to register.
-	 * @param cls		The subclass of {@link EObject} the given provider shall be used for.
+	 * @param provider
+	 *            The {@link IDependingElementProvider} to register.
+	 * @param cls
+	 *            The subclass of {@link EObject} the given provider shall be used for.
 	 */
-	public void registerDependingElementProvider(IDependingElementProvider<? extends EObject> provider, Class<? extends EObject> cls);
+	public void registerDependingElementProvider(
+			IDependingElementProvider<? extends EObject> provider, Class<? extends EObject> cls);
 }