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/*******************************************************************************
* Copyright (c) 2010-2015, 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.objectives.impl;
import org.eclipse.viatra.dse.base.ThreadContext;
import org.eclipse.viatra.dse.objectives.IObjective;
/**
* This hard objective is satisfied if there are no rule activations from the current state (returning 1 in this case).
*
* @author Andras Szabolcs Nagy
*
*/
public class NoRuleActivationsHardObjective extends BaseObjective {
protected static final String DEFAULT_NAME = "NoMoreActivationHardObjective";
private ThreadContext context;
public NoRuleActivationsHardObjective(String name) {
super(name);
}
public NoRuleActivationsHardObjective() {
this(DEFAULT_NAME);
}
@Override
public Double getFitness(ThreadContext context) {
return 0d;
}
@Override
public void init(ThreadContext context) {
super.init(context);
this.context = context;
}
@Override
public IObjective createNew() {
return new NoRuleActivationsHardObjective(name);
}
@Override
public boolean isHardObjective() {
return true;
}
@Override
public boolean satisifiesHardObjective(Double fitness) {
return context.getConflictSet().getNextActivations().isEmpty();
}
}
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