| /******************************************************************************* |
| * 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.patternmatcher.internal.operation;
|
|
|
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| import org.eclipse.viatra2.core.IModelElement; |
| import org.eclipse.viatra2.core.IRelation; |
| import org.eclipse.viatra2.gtasm.patternmatcher.exceptions.PatternMatcherRuntimeException; |
| import org.eclipse.viatra2.gtasm.patternmatcher.impl.patternmatcher.internal.EdgeType; |
| import org.eclipse.viatra2.gtasm.patternmatcher.impl.patternmatcher.internal.MatchingFrame; |
| import org.eclipse.viatra2.gtasm.patternmatcher.impl.patternmatcher.internal.PatternMatcherErrorStrings; |
| import org.eclipse.viatra2.gtasm.patternmatcher.impl.patternmatcher.internal.searchgraph.SearchGraphEdge; |
|
|
| /**
|
| * The ExtendBoundNodeOperation is an ExtendOperation
|
| * where the fixed node has been bound in an earlier phase
|
| * of the algorithm.
|
| */
|
| public class ExtendBoundNodeOperation extends ExtendOperation {
|
| private Integer bound;
|
|
|
| /**
|
| * @param bound the bound pattern variable.
|
| * @param unbound the unbound pattern variable.
|
| * @param edgeType type of the edge.
|
| * @param isSrc true, if the bound node is the source of the edge.
|
| */
|
| public ExtendBoundNodeOperation(Integer bound, Integer unbound,
|
| SearchGraphEdge edge) {
|
| super(unbound, edge);
|
| this.bound = bound;
|
| }
|
|
|
| public void preprocess(MatchingFrame frame)
|
| throws PatternMatcherRuntimeException {
|
| IModelElement boundElement = null;
|
| try {
|
| boundElement = (IModelElement) frame.getValue(bound);
|
| } catch (ClassCastException e) {
|
| String[] context = {edge.getVPMEdgeType().toString(), frame.getPattern().getSearchGraph().getSearchNode(bound).getName(), frame.getValue(bound).getClass().getName()}; |
| throw new PatternMatcherRuntimeException(PatternMatcherErrorStrings.NOT_A_MODELELEMENT_EXTEND |
| ,context |
| ,frame.getPattern().getSearchGraph().getSearchNode(bound).getTraceabilityElement().getRepresentativeEMFElement()); |
| }
|
| if (boundElement == null) {
|
| String[] context = {frame.getPattern().getSearchGraph().getSearchNode(bound).getName(),getClass().getSimpleName()}; |
| throw new PatternMatcherRuntimeException(PatternMatcherErrorStrings.INTERNAL_EMPTY_VALUE |
| ,context |
| ,frame.getPattern().getSearchGraph().getSearchNode(bound).getTraceabilityElement().getRepresentativeEMFElement()); |
|
|
| }
|
|
|
| if (edge.getVPMEdgeType() == EdgeType.INSTANCEOF && !edge.isSource()) {
|
| iterator = boundElement.getAllTypes().iterator();
|
| } else if (edge.getVPMEdgeType() == EdgeType.INSTANCEOF && edge.isSource()) {
|
| iterator = boundElement.getAllInstances().iterator();
|
| } else if (edge.getVPMEdgeType() == EdgeType.SUPERTYPEOF && !edge.isSource()) {
|
| iterator = boundElement.getAllSubtypes().iterator();
|
| } else if (edge.getVPMEdgeType() == EdgeType.SUPERTYPEOF && edge.isSource()) {
|
| iterator = boundElement.getAllSupertypes().iterator();
|
| } else if (edge.getVPMEdgeType() == EdgeType.SOURCE && !edge.isSource()) {
|
| iterator = boundElement.getRelationsFrom().iterator();
|
| } else if (edge.getVPMEdgeType() == EdgeType.SOURCE && edge.isSource()) {
|
| Collection<IModelElement> coll = new HashSet<IModelElement>();
|
| if (boundElement instanceof IRelation) {
|
| coll.add(((IRelation) boundElement).getFrom());
|
| }
|
| iterator = coll.iterator();
|
| } else if (edge.getVPMEdgeType() == EdgeType.TARGET && !edge.isSource()) {
|
| iterator = boundElement.getRelationsTo().iterator();
|
| } else if (edge.getVPMEdgeType() == EdgeType.TARGET && edge.isSource()) {
|
| Collection<IModelElement> coll = new HashSet<IModelElement>();
|
| if (boundElement instanceof IRelation) {
|
| coll.add(((IRelation) boundElement).getTo());
|
| }
|
| iterator = coll.iterator();
|
| } else if (edge.getVPMEdgeType() == EdgeType.IN && edge.isSource()) {
|
| iterator = boundElement.getElementsInNamespace().iterator();
|
| } else if (edge.getVPMEdgeType() == EdgeType.BELOW && edge.isSource()) {
|
| iterator = boundElement.getAllElementsInNamespace().iterator();
|
| } else if (edge.getVPMEdgeType() == EdgeType.IN && !edge.isSource()) {
|
| Collection<IModelElement> coll = new HashSet<IModelElement>();
|
| if(boundElement.getNamespace() != null) |
| coll.add(boundElement.getNamespace());
|
| |
| iterator = coll.iterator();
|
| } else if (edge.getVPMEdgeType() == EdgeType.BELOW && !edge.isSource()) {
|
| String[] context = {frame.getPattern().getSearchGraph().getSearchNode(unbound).getName(),edge.getVPMEdgeType().toString()}; |
| throw new PatternMatcherRuntimeException(PatternMatcherErrorStrings.INTERNAL_OPERATION_NOT_POSSIBLE |
| ,context |
| ,edge.getTraceabilityElement().getRepresentativeEMFElement());
|
| } else if (edge.getVPMEdgeType() == EdgeType.NACCHECK) {
|
| String[] context = {frame.getPattern().getSearchGraph().getSearchNode(unbound).getName(),edge.getVPMEdgeType().toString()}; |
| throw new PatternMatcherRuntimeException(PatternMatcherErrorStrings.INTERNAL_OPERATION_NOT_POSSIBLE |
| ,context |
| ,edge.getTraceabilityElement().getRepresentativeEMFElement()); |
|
|
| }
|
| }
|
|
|
| public String toString() {
|
| return getClass().getSimpleName() + " : " +
|
| bound + " -- " + edge.getVPMEdgeType().name() + " -> " + unbound;
|
| }
|
|
|
| public void calculateSidewaysPassedVariables(Set<Integer> variableSet) {
|
| variableSet.add(bound);
|
| super.calculateSidewaysPassedVariables(variableSet);
|
| }
|
|
|
| public void calculateLocalVariables(Set<Integer> variableSet) {
|
| variableSet.add(bound);
|
| }
|
| }
|