Package com.elasticinbox.core.cassandra.utils

Source Code of com.elasticinbox.core.cassandra.utils.Speed4jOpTimer

/**
* Copyright (c) 2011-2012 Optimax Software Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
*  * Redistributions of source code must retain the above copyright notice,
*    this list of conditions and the following disclaimer.
*  * Redistributions in binary form must reproduce the above copyright notice,
*    this list of conditions and the following disclaimer in the documentation
*    and/or other materials provided with the distribution.
*  * Neither the name of Optimax Software, ElasticInbox, nor the names
*    of its contributors may be used to endorse or promote products derived
*    from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

package com.elasticinbox.core.cassandra.utils;

import me.prettyprint.cassandra.connection.HOpTimer;

import com.ecyrd.speed4j.StopWatch;
import com.ecyrd.speed4j.StopWatchFactory;
import com.ecyrd.speed4j.log.PeriodicalLog;
import com.elasticinbox.config.Configurator;

/**
* Implementation of {@link HOpTimer} for JMX performance counters without
* speed4j.properties file.
*
* @author Rustam Aliyev
*/
public final class Speed4jOpTimer implements HOpTimer
{
  private final StopWatchFactory stopWatchFactory;

  public Speed4jOpTimer()
  {
    // Instantiate a new Periodical logger
    PeriodicalLog pLog = new PeriodicalLog();
    pLog.setName("ElasticInbox-Hector");
    pLog.setPeriod(Configurator.getPerformanceCountersInterval());
    pLog.setMode(PeriodicalLog.Mode.JMX_ONLY);
    pLog.setMaxQueueSize(250000);
    pLog.setJmx("READ.success,WRITE.success,READ.fail,WRITE.fail,META_READ.success,META_READ.fail");
    pLog.setSlf4jLogname("com.elasticinbox.speed4j.cassandra.HectorPeriodicalLogger");
    stopWatchFactory = StopWatchFactory.getInstance(pLog);
  }

  @Override
  public Object start(String tagName) {
    return stopWatchFactory.getStopWatch(tagName);
  }

  @Override
  public void stop(Object token, String tagName, boolean success) {
    ((StopWatch) token).stop(tagName.concat(success ? ".success" : ".fail"));
  }

}
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