org.apache.camel.component.optaplanner.OptaPlannerConsumer Maven / Gradle / Ivy
/*
* 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 org.apache.camel.Exchange;
import org.apache.camel.Processor;
import org.apache.camel.support.DefaultConsumer;
/**
* OptaPlanner component for Camel
*/
public class OptaPlannerConsumer extends DefaultConsumer {
private final OptaPlannerEndpoint endpoint;
private final OptaPlannerConfiguration configuration;
private OptaplannerSolutionEventListener solverJobListener;
public OptaPlannerConsumer(OptaPlannerEndpoint endpoint, Processor processor, OptaPlannerConfiguration configuration) {
super(endpoint, processor);
this.endpoint = endpoint;
this.configuration = configuration;
solverJobListener = this::processSolverJobEvent;
}
public void processSolverJobEvent(OptaplannerSolutionEvent event) {
Exchange exchange = createExchange(true);
exchange.getMessage().setHeader(OptaPlannerConstants.BEST_SOLUTION, event.getBestSolution());
try {
getProcessor().process(exchange);
} catch (Exception e) {
getExceptionHandler().handleException(e);
}
}
@Override
protected void doStart() throws Exception {
final Long problemId = configuration.getProblemId();
endpoint.addSolutionEventListener(problemId, solverJobListener);
super.doStart();
}
@Override
protected void doStop() throws Exception {
final Long problemId = configuration.getProblemId();
endpoint.removeSolutionEventListener(problemId, solverJobListener);
super.doStop();
}
}