trunk/activemq-core/src/test/java/org/apache/activemq/kaha/impl/async/JournalRWPerfTool.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.activemq.kaha.impl.async;

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

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

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

    private int logFileSize = 1024 * 1024 * 50;

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

        tool.initialWriteWorkers = 10;
        tool.syncFrequency = 15;
        tool.writeWorkerIncrement = 0;
        tool.writeWorkerThinkTime = 0;
        tool.verbose = false;
        tool.incrementDelay = 5 * 1000;

        if (args.length > 0) {
            tool.journalDirectory = new File(args[0]);
        }
        if (args.length > 1) {
            tool.writeWorkerIncrement = 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.writeWorkerThinkTime = 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);
    }

}