| /** |
| * 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.example.client; |
| |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.ExecutorService; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.camel.ProducerTemplate; |
| import org.apache.camel.util.IOHelper; |
| import org.springframework.context.support.AbstractApplicationContext; |
| import org.springframework.context.support.ClassPathXmlApplicationContext; |
| |
| /** |
| * Client that uses the {@link ProducerTemplate} to easily exchange messages with the Server. |
| * <p/> |
| * Requires that the JMS broker is running, as well as CamelServer |
| */ |
| public final class CamelClient { |
| |
| private static final int SIZE = 10000; |
| private static final int POOL = 100; |
| |
| private CamelClient() { |
| // Helper class |
| } |
| |
| public static void main(final String[] args) throws Exception { |
| System.out.println("Notice this client requires that the CamelServer is already running!"); |
| |
| AbstractApplicationContext context = new ClassPathXmlApplicationContext("camel-client.xml"); |
| |
| // get the camel template for Spring template style sending of messages (= producer) |
| final ProducerTemplate producer = context.getBean("camelTemplate", ProducerTemplate.class); |
| |
| // now send a lot of messages |
| System.out.println("Sending ..."); |
| |
| final CountDownLatch latch = new CountDownLatch(POOL); |
| |
| ExecutorService executors = Executors.newFixedThreadPool(POOL); |
| for (int i = 0; i < POOL; i++) { |
| final Integer idx = i; |
| executors.execute(new Runnable() { |
| public void run() { |
| try { |
| for (int j = 0; j < SIZE / POOL; j++) { |
| producer.sendBody("jms:queue:inbox", "Message " + idx.intValue() * j + j); |
| } |
| } finally { |
| latch.countDown(); |
| } |
| } |
| }); |
| } |
| |
| latch.await(300, TimeUnit.SECONDS); |
| System.out.println("... Send " + SIZE + " message to JMS broker"); |
| executors.shutdownNow(); |
| |
| // we're done so let's properly close the application context |
| IOHelper.close(context); |
| } |
| |
| } |