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Drools Planner optimizes automated planning by combining metaheuristic search algorithms with rule
engine powered score calculation. This is the drools-planner-core module which contains metaheuristic
algorithms.
/*
* Copyright 2010 JBoss Inc
*
* 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.drools.planner.core.termination;
import org.drools.planner.core.phase.AbstractSolverPhaseScope;
import org.drools.planner.core.solver.DefaultSolverScope;
public class PhaseToSolverTerminationBridge extends AbstractTermination {
private Termination solverTermination;
public PhaseToSolverTerminationBridge(Termination solverTermination) {
this.solverTermination = solverTermination;
}
// ************************************************************************
// Worker methods
// ************************************************************************
public boolean isSolverTerminated(DefaultSolverScope solverScope) {
throw new UnsupportedOperationException(
"PhaseToSolverTerminationBridge can only be used for phase termination.");
}
public boolean isPhaseTerminated(AbstractSolverPhaseScope solverPhaseScope) {
return solverTermination.isSolverTerminated(solverPhaseScope.getSolverScope());
}
public double calculateSolverTimeGradient(DefaultSolverScope solverScope) {
throw new UnsupportedOperationException(
"PhaseToSolverTerminationBridge can only be used for phase termination.");
}
public double calculatePhaseTimeGradient(AbstractSolverPhaseScope solverPhaseScope) {
return solverTermination.calculateSolverTimeGradient(solverPhaseScope.getSolverScope());
}
}