001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.camel.spring.util;
018
019import java.util.concurrent.RejectedExecutionHandler;
020import java.util.concurrent.ScheduledExecutorService;
021import java.util.concurrent.ThreadFactory;
022
023import org.apache.camel.CamelContext;
024import org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
025
026/**
027 * A Camel extension of Spring's {@link ThreadPoolTaskScheduler} which uses the
028 * {@link org.apache.camel.spi.ExecutorServiceManager} to create and destroy the thread pool, which ensures the thread
029 * pool is also managed and consistent with other usages of thread pools in Camel.
030 */
031public class CamelThreadPoolTaskScheduler extends ThreadPoolTaskScheduler {
032
033    private static final long serialVersionUID = 1L;
034    private final CamelContext camelContext;
035    private final Object source;
036    private final String name;
037
038    public CamelThreadPoolTaskScheduler(CamelContext camelContext, Object source, String name) {
039        this.camelContext = camelContext;
040        this.source = source;
041        this.name = name;
042    }
043
044    @Override
045    protected ScheduledExecutorService createExecutor(
046            int poolSize, ThreadFactory threadFactory, RejectedExecutionHandler rejectedExecutionHandler) {
047        return camelContext.getExecutorServiceManager().newScheduledThreadPool(source, name, poolSize);
048    }
049
050    @Override
051    public void shutdown() {
052        camelContext.getExecutorServiceManager().shutdownNow(getScheduledExecutor());
053    }
054}