| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.camel.component.optaplanner; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.component.mock.MockEndpoint; |
| import org.apache.camel.test.junit4.CamelTestSupport; |
| import org.apache.commons.lang3.ObjectUtils; |
| import org.junit.Test; |
| import org.optaplanner.core.impl.score.director.ScoreDirector; |
| import org.optaplanner.core.impl.solver.ProblemFactChange; |
| import org.optaplanner.examples.cloudbalancing.domain.CloudBalance; |
| import org.optaplanner.examples.cloudbalancing.domain.CloudComputer; |
| import org.optaplanner.examples.cloudbalancing.domain.CloudProcess; |
| import org.optaplanner.examples.cloudbalancing.persistence.CloudBalancingGenerator; |
| |
| /** |
| * OptaPlanner unit test with Camel |
| */ |
| public class OptaPlannerDaemonSolverTest extends CamelTestSupport { |
| |
| @Test |
| public void testAsynchronousProblemSolving() throws Exception { |
| MockEndpoint mockEndpoint = getMockEndpoint("mock:result"); |
| mockEndpoint.setExpectedCount(1); |
| CloudBalancingGenerator generator = new CloudBalancingGenerator(true); |
| final CloudBalance planningProblem = generator.createCloudBalance(4, 12); |
| assertNull(planningProblem.getScore()); |
| assertNull(planningProblem.getProcessList().get(0).getComputer()); |
| |
| template.requestBody("direct:in", planningProblem); |
| mockEndpoint.assertIsSatisfied(); |
| mockEndpoint.reset(); |
| mockEndpoint.setExpectedCount(1); |
| |
| CloudComputer firstComputer = planningProblem.getComputerList().get(0); |
| assertNotNull(firstComputer); |
| template.requestBody("direct:in", new RemoveComputerChange(firstComputer)); |
| |
| mockEndpoint.assertIsSatisfied(); |
| CloudBalance bestSolution = (CloudBalance) template.requestBody("direct:in", "foo"); |
| assertEquals(3, bestSolution.getComputerList().size()); |
| } |
| |
| protected RouteBuilder createRouteBuilder() { |
| return new RouteBuilder() { |
| public void configure() { |
| from("direct:in"). |
| to("optaplanner:org/apache/camel/component/optaplanner/daemonSolverConfig.xml?async=true"); |
| |
| from("optaplanner:org/apache/camel/component/optaplanner/daemonSolverConfig.xml"). |
| to("log:com.mycompany.order?showAll=true&multiline=true"). |
| to("mock:result"); |
| } |
| }; |
| } |
| |
| private static class RemoveComputerChange implements ProblemFactChange { |
| |
| private final CloudComputer removingComputer; |
| |
| public RemoveComputerChange(CloudComputer removingComputer) { |
| this.removingComputer = removingComputer; |
| } |
| |
| @Override |
| public void doChange(ScoreDirector scoreDirector) { |
| CloudBalance cloudBalance = (CloudBalance) scoreDirector.getWorkingSolution(); |
| for (CloudProcess process : cloudBalance.getProcessList()) { |
| if (ObjectUtils.equals(process.getComputer(), removingComputer)) { |
| scoreDirector.beforeVariableChanged(process, "computer"); |
| process.setComputer(null); |
| scoreDirector.afterVariableChanged(process, "computer"); |
| } |
| } |
| cloudBalance.setComputerList(new ArrayList<CloudComputer>(cloudBalance.getComputerList())); |
| for (Iterator<CloudComputer> it = cloudBalance.getComputerList().iterator(); it.hasNext();) { |
| CloudComputer workingComputer = it.next(); |
| if (ObjectUtils.equals(workingComputer, removingComputer)) { |
| scoreDirector.beforeProblemFactRemoved(workingComputer); |
| it.remove(); // remove from list |
| scoreDirector.beforeProblemFactRemoved(workingComputer); |
| scoreDirector.triggerVariableListeners(); |
| break; |
| } |
| } |
| } |
| } |
| } |