WireTapCustomThreadPoolRouteBuilder.java

/*
 * Copyright (C) Scott Cranton, Jakub Korab, and Christian Posta
 * https://github.com/CamelCookbook
 *
 * Licensed 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.camelcookbook.routing.wiretap;

import java.util.concurrent.ExecutorService;

import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.builder.ThreadPoolBuilder;

/**
 * Using a custom thread pool with a wiretap.
 */
public class WireTapCustomThreadPoolRouteBuilder extends RouteBuilder {

    @Override
    public void configure() throws Exception {

        ThreadPoolBuilder builder = new ThreadPoolBuilder(getContext());
        ExecutorService oneThreadOnly = builder.poolSize(1).maxPoolSize(1)
            .maxQueueSize(100).build("JustMeDoingTheTapping");

        from("direct:start")
            .wireTap("direct:tapped").executorService(oneThreadOnly)
            .to("mock:out");

        from("direct:tapped")
            .setHeader("threadName").simple("${threadName}")
            .to("mock:tapped");
    }
}