org.eclipse.viatra2.gtasm.patternmatcher.impl/src/org/eclipse/viatra2/gtasm/patternmatcher/impl/gtmatcher/internal/operation/MoveBoundunderConstant.java

/*******************************************************************************
 * Copyright (c) 2004-2008 Akos Horvath, Gergely Varro and Daniel Varro
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Akos Horvath, Gergely Varro - initial API and implementation
 *******************************************************************************/

 package org.eclipse.viatra2.gtasm.patternmatcher.impl.gtmatcher.internal.operation;

import org.eclipse.viatra2.core.IEntity;
import org.eclipse.viatra2.core.IModelManager;
import org.eclipse.viatra2.errors.VPMCoreException;
import org.eclipse.viatra2.gtasm.patternmatcher.impl.gtmatcher.exceptions.GTErrorStrings;
import org.eclipse.viatra2.gtasm.patternmatcher.impl.gtmatcher.exceptions.GTOperationException;
import org.eclipse.viatra2.gtasm.patternmatcher.impl.patternmatcher.internal.MatchingFrame;
import org.eclipse.viatra2.gtasm.patternmatcher.impl.patternmatcher.internal.searchgraph.SearchGraphEdge;
import org.eclipse.viatra2.gtasmmodel.gtasm.metamodel.asm.core.AnnotatedElement;


/**
 * @author Akos Horvath
 *
 */
public class MoveBoundunderConstant extends MoveElement {

//	private boolean hasBeenExecuted;
	IEntity container;
	SearchGraphEdge relatedSearchGraphEdge;
	
	public MoveBoundunderConstant(IModelManager manager, IEntity cont
			, int variable, SearchGraphEdge edge) {
	        super(manager,variable);
	        container = cont;
	        relatedSearchGraphEdge = edge;
	    }
	    
	    public boolean update(MatchingFrame frame) throws GTOperationException {
	   			IEntity variableElement = null;
	   	        try {
	   	            variableElement = (IEntity) frame.getValue(variableIndex);
	   	        } catch (ClassCastException e) {
	   	        	String[] context = {relatedSearchGraphEdge.getTargetNode().getName(), getClass().getSimpleName()};
					throw new GTOperationException(GTErrorStrings.NOT_AN_ENTITY
							,context
							,relatedSearchGraphEdge.getTargetNode().getTraceabilityElement().getRepresentativeEMFElement());
		        }
	   	        if (container == null) {
	   	        	String[] context = {relatedSearchGraphEdge.getSourceNode().getName(),getClass().getSimpleName()};
	   				throw new GTOperationException(GTErrorStrings.INTERNAL_EMPTY_VALUE
	   						,context
	   						,relatedSearchGraphEdge.getSourceNode().getTraceabilityElement().getRepresentativeEMFElement());
	   			}
	   	        if (variableElement == null) {
	   	        	String[] context = {relatedSearchGraphEdge.getTargetNode().getName(),getClass().getSimpleName()};
	   				throw new GTOperationException(GTErrorStrings.INTERNAL_EMPTY_VALUE
	   						,context
	   						,relatedSearchGraphEdge.getTargetNode().getTraceabilityElement().getRepresentativeEMFElement());
	   	        }
	   			
	   			try {
					manager.moveEntityTo(variableElement, container);
		   			return true;
	   			}catch (VPMCoreException e) {
	   			 String[] context = {container.getFullyQualifiedName()
	   					 , frame.getPattern().getSearchGraph().getSearchNode(variableIndex).getName()
	   					 , e.getMessage()};
	   			 
   				 throw new GTOperationException(GTErrorStrings.INTERNAL_MOVE_MODELELEMENT
   						,context
   						,relatedSearchGraphEdge.getTraceabilityElement().getRepresentativeEMFElement());
	   			}
	    }
	    
	    public String toString() {
			return getClass().getSimpleName() + " : " + 
	            variableIndex + " -- move under -> " + container.getName();
	    }
	    
	    @Override
		public AnnotatedElement getErrorfulElement(MatchingFrame frame){
	    	return relatedSearchGraphEdge.getTraceabilityElement().getRepresentativeEMFElement();
	    }
}