examples/org.eclipse.ocl.examples.impactanalyzer/src/org/eclipse/ocl/examples/impactanalyzer/deltaPropagation/OperationBodyPropagationStrategy.java

/*******************************************************************************
 * Copyright (c) 2009, 2018 SAP AG and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v20.html
 * 
 * Contributors:
 *     SAP AG - initial API and implementation
 ******************************************************************************/
package org.eclipse.ocl.examples.impactanalyzer.deltaPropagation;

import java.util.Collection;
import java.util.HashSet;

import org.eclipse.ocl.ecore.OCLExpression;
import org.eclipse.ocl.ecore.OperationCallExp;
import org.eclipse.ocl.examples.impactanalyzer.impl.OperationBodyToCallMapper;
import org.eclipse.ocl.examples.impactanalyzer.util.Tuple.Pair;


public class OperationBodyPropagationStrategy implements DeltaPropagationStrategy {
    private final OperationBodyToCallMapper mapper;
    
    public OperationBodyPropagationStrategy(OperationBodyToCallMapper mapper) {
        this.mapper = mapper;
    }

    public Collection<Pair<OCLExpression, Collection<Object>>> mapDelta(OCLExpression e, Collection<Object> delta) {
        HashSet<Pair<OCLExpression, Collection<Object>>> result = new HashSet<Pair<OCLExpression, Collection<Object>>>();
        for (OperationCallExp oce : mapper.getCallsOf(e)) {
            result.addAll(PartialEvaluatorImpl.getResultCollectionFromSingleDelta(oce, delta));
        }
        return result;
    }

}