Java tutorial
/******************************************************************************* * Copyright 2012 Apigee Corporation * * 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.usergrid.benchmark.commands; import java.net.InetAddress; import java.util.concurrent.Semaphore; import org.apache.commons.cli.CommandLine; import org.apache.commons.cli.Option; import org.apache.commons.cli.OptionBuilder; import org.apache.commons.cli.Options; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.usergrid.event.EventService; import com.yammer.metrics.Metrics; import com.yammer.metrics.core.Metric; import com.yammer.metrics.core.MetricName; import com.yammer.metrics.core.MetricPredicate; import com.yammer.metrics.core.Timer; import com.yammer.metrics.reporting.ConsoleReporter; /** * @author tnine * */ public abstract class EventServiceTestBase extends ToolBase { protected static final Logger logger = LoggerFactory.getLogger(EventServiceTestBase.class); @Autowired protected EventService eventService; @Override @SuppressWarnings("static-access") public Options createOptions() { Option hostOption = OptionBuilder.withArgName("hazelcast").hasArg().isRequired(true) .withDescription("hazelcast hosts").create("hazelcast"); Option workers = OptionBuilder.withArgName("workers").hasArg().isRequired(true) .withDescription("Max workers").create("workers"); Option count = OptionBuilder.withArgName("count").hasArg().isRequired(true) .withDescription("Max count of messages to send").create("count"); Option wait = OptionBuilder.withArgName("wait").hasArg(false).isRequired(false) .withDescription("Max count of messages to send").create("wait"); Options options = new Options(); options.addOption(hostOption); options.addOption(workers); options.addOption(count); options.addOption(wait); return options; } /* * (non-Javadoc) * * @see * org.usergrid.tools.ToolBase#runTool(org.apache.commons.cli.CommandLine) */ @Override public void runTool(CommandLine line) throws Exception { // set the hazelcast cluster property BEFORE starting spring System.setProperty("HZ_MEMBERS", line.getOptionValue("hazelcast")); startSpring(); int workers = Integer.parseInt(line.getOptionValue("workers")); String hostName = InetAddress.getLocalHost().getHostName(); int count = Integer.parseInt(line.getOptionValue("count")); logger.info("Starting workers"); doWork(line, hostName, workers, count); //wait until the user pressed CTRL +C if (line.hasOption("wait")) { new Semaphore(0).acquire(); } } protected void writeTimerData(final Timer t) { ConsoleReporter reporter = new ConsoleReporter(Metrics.defaultRegistry(), System.out, new MetricPredicate() { @Override public boolean matches(MetricName name, Metric metric) { return metric == t; } }); reporter.run(); } /** * Perform the work * @param line * @param topic * @param hostName * @param workers * @throws Exception */ protected abstract void doWork(CommandLine line, String hostName, int workers, int count) throws Exception; }