org.eclipse.viatra2.gtasm.patternmatcher.impl/src/org/eclipse/viatra2/gtasm/patternmatcher/impl/gtmatcher/internal/operation/MoveBoundunderBound.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 MoveBoundunderBound extends MoveElement{
	
		int container;
		SearchGraphEdge relatedSearchGraphEdge;
		
	
	    public MoveBoundunderBound(IModelManager manager, int cont
	    		, int variable, SearchGraphEdge edge) {
	        super(manager,variable);
	        container = cont;
	        relatedSearchGraphEdge = edge;
	        
	    }
	    
	    public boolean update(MatchingFrame frame) throws GTOperationException {
	   		
	   			IEntity containerElement = null;
	   			IEntity variableElement = null;
	   	        try {
	   	        	containerElement = (IEntity) frame.getValue(container);
	   	        } catch (ClassCastException e) {
	   	        	String[] context = {relatedSearchGraphEdge.getSourceNode().getName(), getClass().getSimpleName()};
	    			throw new GTOperationException(GTErrorStrings.NOT_AN_ENTITY
	    					,context
	    					,relatedSearchGraphEdge.getSourceNode().getTraceabilityElement().getRepresentativeEMFElement());
	   	        }
	   	        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 (containerElement == 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,containerElement);
				
//					hasBeenExecuted = true;
		   			return true;
	   			}
	   			 catch (VPMCoreException e) {
		   			 String[] context = {frame.getPattern().getSearchGraph().getSearchNode(container).getName()
		   					 , 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;
	    }

		/**
		 * @return the container
		 */
		public int getContainer() {
			return container;
		}

		@Override
		public AnnotatedElement getErrorfulElement(MatchingFrame frame){
	    	return relatedSearchGraphEdge.getTraceabilityElement().getRepresentativeEMFElement();
	    }
}