first steps for (de)activate functions in constraints

refs 2620

org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/extension/base/ConstraintVerifierBase.java

@@ -42,4 +42,16 @@ public abstract class ConstraintVerifierBase<T extends IConstraint> implements
 	public boolean isUsableForDevelopmentProcess() {
 		return true;
 	}
+
+	/** {@inheritDoc} */
+	@Override
+	public void activate() {
+		// TODO Auto-generated method stub
+	}
+
+	/** {@inheritDoc} */
+	@Override
+	public void deactivate() {
+		// TODO Auto-generated method stub
+	}
 }

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

@@ -342,4 +342,22 @@ public final class ConstraintVerificationService extends
 	public Set<Class<?>> getDevelopmentProcessConstraintTypes() {
 		return this.handlerMap.keySet();
 	}
+
+	/** {@inheritDoc} */
+	@Override
+	public <T extends IConstraint> void activate(Class<T> constraintEltClass) {
+		IConstraintVerifier<IConstraint> verifier = getFirstVerifier(constraintEltClass);
+		if(verifier != null) {
+			verifier.activate();
+		}
+	}
+
+	/** {@inheritDoc} */
+	@Override
+	public <T extends IConstraint> void deactivate(Class<T> constraintEltClass) {
+		IConstraintVerifier<IConstraint> verifier = getFirstVerifier(constraintEltClass);
+		if(verifier != null) {
+			verifier.deactivate();
+		}
+	}
 }

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

@@ -128,4 +128,10 @@ public interface IConstraintVerificationService {
 
 	/** Gets the constraint types which can be used for constraint-based development process. */
 	public <T extends IConstraint> Set<Class<T>> getDevelopmentProcessConstraintTypes();
+
+	/** Activates the constraint type. */
+	public <T extends IConstraint> void activate(Class<T> constraintEltClass);
+
+	/** Deactivates the constraint type. */
+	public <T extends IConstraint> void deactivate(Class<T> constraintEltClass);
 }