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/*******************************************************************************
* Copyright (c) 2010-2017, Andras Szabolcs Nagy and Daniel Varro
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0 which is available at
* http://www.eclipse.org/legal/epl-v20.html.
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************/
package org.eclipse.viatra.dse.base;
import java.util.Set;
import org.eclipse.viatra.dse.statecode.IStateCoder;
import org.eclipse.viatra.transformation.evm.api.Activation;
import org.eclipse.viatra.transformation.evm.api.resolver.ChangeableConflictSet;
import org.eclipse.viatra.transformation.evm.api.resolver.ConflictResolver;
public class DseConflictSet implements ChangeableConflictSet {
private ActivationCodesConflictSet activationCodesConflictSet;
private ChangeableConflictSet activationOrderingConflictSet;
private ChangeableConflictSet prevActivationOrderingConflictSet;
private ConflictResolver resolver;
public DseConflictSet(ConflictResolver resolver, ConflictResolver activationOrderingConflictResolver,
IStateCoder stateCoder) {
this.resolver = resolver;
activationOrderingConflictSet = activationOrderingConflictResolver.createConflictSet();
activationCodesConflictSet = new ActivationCodesConflictSet(activationOrderingConflictSet, stateCoder);
}
@Override
public Activation<?> getNextActivation() {
return activationOrderingConflictSet.getNextActivation();
}
@Override
public Set<Activation<?>> getNextActivations() {
return activationOrderingConflictSet.getNextActivations();
}
@Override
public Set<Activation<?>> getConflictingActivations() {
return activationOrderingConflictSet.getConflictingActivations();
}
@Override
public ConflictResolver getConflictResolver() {
return resolver;
}
@Override
public boolean addActivation(Activation<?> activation) {
activationCodesConflictSet.addActivation(activation);
return activationOrderingConflictSet.addActivation(activation);
}
@Override
public boolean removeActivation(Activation<?> activation) {
activationCodesConflictSet.removeActivation(activation);
return activationOrderingConflictSet.removeActivation(activation);
}
public ActivationCodesConflictSet getActivationCodesConflictSet() {
return activationCodesConflictSet;
}
public void changeActivationOrderingConflictSet(ChangeableConflictSet newActivationOrderingConflictSet) {
for (Activation<?> activation : activationOrderingConflictSet.getConflictingActivations()) {
newActivationOrderingConflictSet.addActivation(activation);
}
activationCodesConflictSet.reinitWithActivations(newActivationOrderingConflictSet);
ChangeableConflictSet tmp = activationOrderingConflictSet;
activationOrderingConflictSet = newActivationOrderingConflictSet;
prevActivationOrderingConflictSet = tmp;
}
public void changeActivationOrderingConflictSetBack() {
ChangeableConflictSet newActivationOrderingConflictSet =
prevActivationOrderingConflictSet.getConflictResolver().createConflictSet();
changeActivationOrderingConflictSet(newActivationOrderingConflictSet);
}
}
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