aos.camel.MyComponent.java Source code

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Here is the source code for aos.camel.MyComponent.java

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/****************************************************************
 * Licensed to the AOS Community (AOS) under one or more        *
 * contributor license agreements.  See the NOTICE file         *
 * distributed with this work for additional information        *
 * regarding copyright ownership.  The AOS 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.                                           *
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package aos.camel;

import java.util.Map;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

import org.apache.camel.Endpoint;
import org.apache.camel.impl.DefaultComponent;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * A custom component using ExecutorServiceStrategy to create a thread pool.
 *
 * @version $Revision: 101 $
 */
public class MyComponent extends DefaultComponent implements Runnable {

    private static final Log LOG = LogFactory.getLog(MyComponent.class);
    private ScheduledExecutorService executor;

    protected Endpoint createEndpoint(String uri, String remaining, Map<String, Object> parameters)
            throws Exception {
        return null;
    }

    public void run() {
        // this is the task being executed every second
        LOG.info("I run now");
    }

    @Override
    protected void doStart() throws Exception {
        super.doStart();
        // create a scheduled thread pool with 1 thread as we only need one task as background task
        executor = getCamelContext().getExecutorServiceStrategy().newScheduledThreadPool(this, "MyBackgroundTask",
                1);
        // schedule the task to run once every second
        executor.scheduleWithFixedDelay(this, 1, 1, TimeUnit.SECONDS);
    }

    @Override
    protected void doStop() throws Exception {
        // shutdown the thread pool
        getCamelContext().getExecutorServiceStrategy().shutdown(executor);
        super.doStop();
    }

}