introduces a new base class to make it easier to transition from the old system

refs 2334

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

-/*--------------------------------------------------------------------------+
-$Id$
-|                                                                          |
-| Copyright 2016 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.extension.base;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import org.eclipse.emf.ecore.EObject;
-import org.fortiss.tooling.kernel.extension.IConstraintVerifier;
-import org.fortiss.tooling.kernel.model.constraints.Constraint;
-import org.fortiss.tooling.kernel.model.constraints.IConstraintVerificationStatus;
-import org.fortiss.tooling.kernel.service.IConstraintVerificationService.IFix;
-
-/**
- * Base for {@link IConstraintVerifier}.
- * 
- * @author aravantinos
- * @author $Author$
- * @version $Rev$
- * @ConQAT.Rating YELLOW Hash: 2FA83556B62AFF67BF1D234A9E7A4467
- */
-public abstract class ConstraintVerifierBase implements IConstraintVerifier {
-
-	/** {@inheritDoc} */
-	@Override
-	public void removeConstraintIrrelevantContent(EObject obj) {
-		// By default, we do nothing. Should be adapted in general but makes the first developments
-		// of a verifier easier.
-	}
-
-	/** {@inheritDoc} */
-	@Override
-	public void cancel(Constraint constraint) {
-		// By default, we do nothing. Not all constraints are so heavy that they deserve to have a
-		// cancellation procedure.
-	}
-
-	/** {@inheritDoc} */
-	@Override
-	public List<IFix> fixes(Constraint constraint, IConstraintVerificationStatus status) {
-		// No fix by default
-		return new ArrayList<IFix>();
-	}
-}