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OrCompositeTermination.java
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OrCompositeTermination.java
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/*
* Copyright 2010 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.optaplanner.core.impl.solver.termination;
import java.util.List;
import org.optaplanner.core.impl.phase.scope.AbstractPhaseScope;
import org.optaplanner.core.impl.solver.ChildThreadType;
import org.optaplanner.core.impl.solver.scope.DefaultSolverScope;
public class OrCompositeTermination extends AbstractCompositeTermination {
public OrCompositeTermination(List<Termination> terminationList) {
super(terminationList);
}
public OrCompositeTermination(Termination... terminations) {
super(terminations);
}
// ************************************************************************
// Terminated methods
// ************************************************************************
/**
* @param solverScope never null
* @return true if any of the Termination is terminated.
*/
@Override
public boolean isSolverTerminated(DefaultSolverScope solverScope) {
for (Termination termination : terminationList) {
if (termination.isSolverTerminated(solverScope)) {
return true;
}
}
return false;
}
/**
* @param phaseScope never null
* @return true if any of the Termination is terminated.
*/
@Override
public boolean isPhaseTerminated(AbstractPhaseScope phaseScope) {
for (Termination termination : terminationList) {
if (termination.isPhaseTerminated(phaseScope)) {
return true;
}
}
return false;
}
// ************************************************************************
// Time gradient methods
// ************************************************************************
/**
* Calculates the maximum timeGradient of all Terminations.
* Not supported timeGradients (-1.0) are ignored.
* @param solverScope never null
* @return the maximum timeGradient of the Terminations.
*/
@Override
public double calculateSolverTimeGradient(DefaultSolverScope solverScope) {
double timeGradient = 0.0;
for (Termination termination : terminationList) {
double nextTimeGradient = termination.calculateSolverTimeGradient(solverScope);
if (nextTimeGradient >= 0.0) {
timeGradient = Math.max(timeGradient, nextTimeGradient);
}
}
return timeGradient;
}
/**
* Calculates the maximum timeGradient of all Terminations.
* Not supported timeGradients (-1.0) are ignored.
* @param phaseScope never null
* @return the maximum timeGradient of the Terminations.
*/
@Override
public double calculatePhaseTimeGradient(AbstractPhaseScope phaseScope) {
double timeGradient = 0.0;
for (Termination termination : terminationList) {
double nextTimeGradient = termination.calculatePhaseTimeGradient(phaseScope);
if (nextTimeGradient >= 0.0) {
timeGradient = Math.max(timeGradient, nextTimeGradient);
}
}
return timeGradient;
}
// ************************************************************************
// Other methods
// ************************************************************************
@Override
public OrCompositeTermination createChildThreadTermination(
DefaultSolverScope solverScope, ChildThreadType childThreadType) {
return new OrCompositeTermination(createChildThreadTerminationList(solverScope, childThreadType));
}
@Override
public String toString() {
return "Or(" + terminationList + ")";
}
}