ActiveMQ example source code file (JournalPerfTool.java)

This example ActiveMQ source code file (JournalPerfTool.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - ActiveMQ tags/keywords

asyncdatamanager, asyncdatamanager, exception, file, io, ioexception, ioexception, journal, journalfacade, journalperftool, journalperftool, journalperftoolsupport, journalperftoolsupport

The ActiveMQ JournalPerfTool.java source code

/**
 * 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.activemq.kaha.impl.async;

import java.io.File;
import java.io.IOException;

import org.apache.activeio.journal.Journal;
import org.apache.activeio.journal.JournalPerfToolSupport;

/**
 * A Performance statistics gathering tool for the AsyncDataManager based
 * Journal.
 * 
 * 
 */
public class JournalPerfTool extends JournalPerfToolSupport {

    private int logFileSize = 1024 * 1024 * 50;

    public static void main(String[] args) throws Exception {
        JournalPerfTool tool = new JournalPerfTool();

        tool.initialWorkers = 10;
        tool.syncFrequency = 15;
        tool.workerIncrement = 0;
        tool.workerThinkTime = 0;
        tool.verbose = false;
        tool.incrementDelay = 5 * 1000;

        if (args.length > 0) {
            tool.journalDirectory = new File(args[0]);
        }
        if (args.length > 1) {
            tool.workerIncrement = Integer.parseInt(args[1]);
        }
        if (args.length > 2) {
            tool.incrementDelay = Long.parseLong(args[2]);
        }
        if (args.length > 3) {
            tool.verbose = Boolean.getBoolean(args[3]);
        }
        if (args.length > 4) {
            tool.recordSize = Integer.parseInt(args[4]);
        }
        if (args.length > 5) {
            tool.syncFrequency = Integer.parseInt(args[5]);
        }
        if (args.length > 6) {
            tool.workerThinkTime = Integer.parseInt(args[6]);
        }
        tool.exec();
    }

    /**
     * @throws IOException
     * @see org.apache.activeio.journal.JournalPerfToolSupport#createJournal()
     */
    public Journal createJournal() throws IOException {
        AsyncDataManager dm = new AsyncDataManager();
        dm.setMaxFileLength(logFileSize);
        dm.setDirectory(this.journalDirectory);
        dm.start();
        return new JournalFacade(dm);
    }

}