adds process-related information to the service

refs 2620

org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/internal/ConstraintVerificationService.java

@@ -44,7 +44,7 @@ import org.fortiss.tooling.kernel.utils.LoggingUtils;
  * @author aravantinos
  * @author $Author$
  * @version $Rev$
- * @ConQAT.Rating YELLOW Hash: 7BEACA97ADA94E9730616EAB079DED86
+ * @ConQAT.Rating YELLOW Hash: 159EDD10E24A64448987075B5F8B7B14
  */
 public final class ConstraintVerificationService extends
 		EObjectAwareServiceBase<IConstraintVerifier<IConstraint>> implements
@@ -241,20 +241,29 @@ public final class ConstraintVerificationService extends
 	}
 
 	/**
-	 * @param constraint
-	 * @return the first registered verifier which can verify <code>constraint</code>
+	 * @param clazz
+	 * @return the first registered verifier which can verify a constraint of class
+	 *         <code>clazz</code>.
 	 */
-	protected IConstraintVerifier<IConstraint> getFirstVerifier(IConstraint constraint) {
-		List<IConstraintVerifier<IConstraint>> list = getRegisteredHandlers(constraint.getClass());
+	protected IConstraintVerifier<IConstraint> getFirstVerifier(Class<?> clazz) {
+		List<IConstraintVerifier<IConstraint>> list = getRegisteredHandlers(clazz);
 		if(list == null || list.isEmpty()) {
 			LoggingUtils.error(ToolingKernelActivator.getDefault(),
-					String.format("Cannot find verifier for constraint %s", constraint.getClass()));
+					String.format("Cannot find verifier for constraint %s", clazz));
 			return null;
 		}
 		// get(0) because we know the list is not empty and because we want the first element
 		return list.get(0);
 	}
 
+	/**
+	 * @param constraint
+	 * @return The first registered verifier which can verify <code>constraint</code>.
+	 */
+	protected IConstraintVerifier<IConstraint> getFirstVerifier(IConstraint constraint) {
+		return getFirstVerifier(constraint.getClass());
+	}
+
 	/** {@inheritDoc} */
 	@Override
 	protected String getExtensionPointName() {
@@ -319,4 +328,18 @@ public final class ConstraintVerificationService extends
 	public Set<Class<?>> getConstraintTypes() {
 		return this.handlerMap.keySet();
 	}
+
+	/** {@inheritDoc} */
+	@Override
+	public <T extends IConstraint> String getDescription(Class<T> constraintEltClass) {
+		IConstraintVerifier<IConstraint> verifier = getFirstVerifier(constraintEltClass);
+		return verifier != null ? verifier.getDescription() : null;
+	}
+
+	/** {@inheritDoc} */
+	@SuppressWarnings("unchecked")
+	@Override
+	public Set<Class<?>> getDevelopmentProcessConstraintTypes() {
+		return this.handlerMap.keySet();
+	}
 }

org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/service/IConstraintVerificationService.java

@@ -19,7 +19,7 @@ import org.fortiss.tooling.kernel.utils.ServicesUtils;
  * @author aravantinos
  * @author $Author$
  * @version $Rev$
- * @ConQAT.Rating YELLOW Hash: 8AC9115D8F013A0A319B5D91FBF5C3BA
+ * @ConQAT.Rating YELLOW Hash: B9E308FF26316341AC1B379A00443A22
  */
 public interface IConstraintVerificationService {
 	/**
@@ -116,4 +116,16 @@ public interface IConstraintVerificationService {
 	 * @return The registered classes of constraints.
 	 */
 	public Set<Class<?>> getConstraintTypes();
+
+	/**
+	 * The following features deal with the usage of constraints to drive the process.
+	 * 
+	 * EXPERIMENTAL.
+	 */
+
+	/** Gets a general description for the constraint type. */
+	public <T extends IConstraint> String getDescription(Class<T> constraintEltClass);
+
+	/** Gets the constraint types which can be used for constraint-based development process. */
+	public <T extends IConstraint> Set<Class<T>> getDevelopmentProcessConstraintTypes();
 }