Java tutorial
/* * Copyright (c) 2013 DataTorrent, Inc. ALL Rights Reserved. * * 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 com.datatorrent.demos.mrmonitor; import org.apache.hadoop.conf.Configuration; import org.eclipse.jetty.server.Connector; import org.eclipse.jetty.server.Server; import org.eclipse.jetty.servlet.ServletContextHandler; import org.eclipse.jetty.servlet.ServletHolder; import org.junit.Test; import com.datatorrent.api.LocalMode; import com.datatorrent.lib.helper.SamplePubSubWebSocketServlet; /** * <p>MapReduceDebuggerApplicationTest class.</p> * * @since 0.3.4 */ public class MrMonitoringApplicationTest { @Test public void testApplication() throws Exception { Configuration conf = new Configuration(false); conf.addResource("dt-site-monitoring.xml"); Server server = new Server(0); SamplePubSubWebSocketServlet servlet = new SamplePubSubWebSocketServlet(); ServletHolder sh = new ServletHolder(servlet); ServletContextHandler contextHandler = new ServletContextHandler(server, "/", ServletContextHandler.SESSIONS); contextHandler.addServlet(sh, "/pubsub"); contextHandler.addServlet(sh, "/*"); server.start(); Connector connector[] = server.getConnectors(); conf.set("dt.attr.GATEWAY_CONNECT_ADDRESS", "localhost:" + connector[0].getLocalPort()); MRMonitoringApplication application = new MRMonitoringApplication(); LocalMode lma = LocalMode.newInstance(); lma.prepareDAG(application, conf); LocalMode.Controller lc = lma.getController(); lc.run(10000); server.stop(); } }