JavaSpaceRequestReplyTest.java

/**
 * 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.javaspace;

import java.util.Vector;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.FutureTask;

import org.apache.camel.CamelContext;
import org.apache.camel.Endpoint;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.bean.ProxyHelper;
import org.apache.camel.spring.SpringCamelContext;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.junit.Test;
import org.springframework.context.support.ClassPathXmlApplicationContext;

/**
 * @version 
 */
public class JavaSpaceRequestReplyTest extends CamelTestSupport {

    private ClassPathXmlApplicationContext spring;
    
    @Test
    public void testJavaSpaceRequestReply() throws Exception {
        Endpoint endpoint = context.getEndpoint("direct:input");
        ITestPojo proxy = ProxyHelper.createProxy(endpoint, ITestPojo.class);
        Request req = new Request();
        long start = System.currentTimeMillis();
        for (int i = 0; i < 100; ++i) {
            req.setPayload("REQUEST " + i);
            Reply reply = proxy.method(req);
            assertTrue(reply.getPayload().equals("REPLY for REQUEST " + i));
        }
        long stop = System.currentTimeMillis();
        log.info("{} took {} milliseconds", getTestMethodName(), stop - start);
    }

    @Test
    public void testJavaSpaceConcurrentRequestReply() throws Exception {
        Vector<FutureTask<Reply>> tasks = new Vector<FutureTask<Reply>>();
        Endpoint endpoint = context.getEndpoint("direct:input");
        ExecutorService es = Executors.newFixedThreadPool(10);
        long start = System.currentTimeMillis();
        for (int i = 0; i < 100; ++i) {
            Request req = new Request();
            req.setPayload("REQUEST " + i);
            ITestPojo proxy = ProxyHelper.createProxy(endpoint, ITestPojo.class);
            FutureTask<Reply> task = new FutureTask<Reply>(new PojoCallable(req, proxy));
            tasks.add(task);
            es.submit(task);
        }
        int i = 0;
        for (FutureTask<Reply> futureTask : tasks) {
            assertTrue(futureTask.get().getPayload().equals("REPLY for REQUEST " + i++));
        }
        long stop = System.currentTimeMillis();
        log.info("{} took {} milliseconds", getTestMethodName(), stop - start);
        es.shutdownNow();
    }

    @Override
    protected CamelContext createCamelContext() throws Exception {
        spring = new ClassPathXmlApplicationContext("org/apache/camel/component/javaspace/spring.xml");
        SpringCamelContext ctx = SpringCamelContext.springCamelContext(spring);
        return ctx;
    }

    @Override
    protected RouteBuilder createRouteBuilder() throws Exception {

        return new RouteBuilder() {
            public void configure() {
                from("direct:input").to("javaspace:jini://localhost?spaceName=mySpace");

                from("javaspace:jini://localhost?concurrentConsumers=10&spaceName=mySpace").to("bean:pojo");

                from("javaspace:jini://localhost?concurrentConsumers=10&spaceName=mySpace").to("bean:pojo");

                from("javaspace:jini://localhost?concurrentConsumers=10&spaceName=mySpace").to("bean:pojo");
            }
        };
    }
}

class PojoCallable implements Callable<Reply> {

    final ITestPojo proxy;
    final Request request;

    PojoCallable(Request request, ITestPojo proxy) {
        this.request = request;
        this.proxy = proxy;
    }

    public Reply call() throws Exception {
        return proxy.method(request);
    }

}