/*
* 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 org.optaplanner.core.impl.phase.scope.AbstractPhaseScope;
import org.optaplanner.core.impl.phase.scope.AbstractStepScope;
import org.optaplanner.core.impl.solver.ChildThreadType;
import org.optaplanner.core.impl.solver.scope.DefaultSolverScope;
public class PhaseToSolverTerminationBridge extends AbstractTermination {
private final Termination solverTermination;
public PhaseToSolverTerminationBridge(Termination solverTermination) {
this.solverTermination = solverTermination;
}
// ************************************************************************
// Lifecycle methods
// ************************************************************************
@Override
public void solvingStarted(DefaultSolverScope solverScope) {
// Do not delegate the event to the solverTermination, because it already gets the event from the DefaultSolver
}
@Override
public void phaseStarted(AbstractPhaseScope phaseScope) {
// Do not delegate the event to the solverTermination, because it already gets the event from the DefaultSolver
}
@Override
public void stepStarted(AbstractStepScope stepScope) {
// Do not delegate the event to the solverTermination, because it already gets the event from the DefaultSolver
}
@Override
public void stepEnded(AbstractStepScope stepScope) {
// Do not delegate the event to the solverTermination, because it already gets the event from the DefaultSolver
}
@Override
public void phaseEnded(AbstractPhaseScope phaseScope) {
// Do not delegate the event to the solverTermination, because it already gets the event from the DefaultSolver
}
@Override
public void solvingEnded(DefaultSolverScope solverScope) {
// Do not delegate the event to the solverTermination, because it already gets the event from the DefaultSolver
}
// ************************************************************************
// Terminated methods
// ************************************************************************
@Override
public boolean isSolverTerminated(DefaultSolverScope solverScope) {
throw new UnsupportedOperationException(
getClass().getSimpleName() + " can only be used for phase termination.");
}
@Override
public boolean isPhaseTerminated(AbstractPhaseScope phaseScope) {
return solverTermination.isSolverTerminated(phaseScope.getSolverScope());
}
// ************************************************************************
// Time gradient methods
// ************************************************************************
@Override
public double calculateSolverTimeGradient(DefaultSolverScope solverScope) {
throw new UnsupportedOperationException(
getClass().getSimpleName() + " can only be used for phase termination.");
}
@Override
public double calculatePhaseTimeGradient(AbstractPhaseScope phaseScope) {
return solverTermination.calculateSolverTimeGradient(phaseScope.getSolverScope());
}
// ************************************************************************
// Other methods
// ************************************************************************
@Override
public Termination createChildThreadTermination(
DefaultSolverScope solverScope, ChildThreadType childThreadType) {
if (childThreadType == ChildThreadType.PART_THREAD) {
// Remove of the bridge (which is nested if there's a phase termination), PhaseConfig will add it again
return solverTermination.createChildThreadTermination(solverScope, childThreadType);
} else {
throw new IllegalStateException("The childThreadType (" + childThreadType + ") is not implemented.");
}
}
@Override
public String toString() {
return "Bridge(" + solverTermination + ")";
}
}