com.liferay.portal.kernel.monitoring.DataSampleThreadLocal Maven / Gradle / Ivy
/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.liferay.portal.kernel.monitoring;
import com.liferay.petra.lang.CentralizedThreadLocal;
import com.liferay.portal.kernel.util.ListUtil;
import java.util.List;
import java.util.Queue;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.function.Function;
/**
* @author Michael C. Han
* @author Brian Wing Shun Chan
*/
public class DataSampleThreadLocal {
public static void addDataSample(DataSample dataSample) {
DataSampleThreadLocal dataSampleThreadLocal =
_dataSampleThreadLocal.get();
dataSampleThreadLocal._addDataSample(dataSample);
}
public static void clearDataSamples() {
_dataSampleThreadLocal.remove();
}
public static List getDataSamples() {
DataSampleThreadLocal dataSampleThreadLocal =
_dataSampleThreadLocal.get();
return ListUtil.fromCollection(dataSampleThreadLocal._getDataSamples());
}
public static void initialize() {
_dataSampleThreadLocal.get();
}
public long getMonitorTime() {
return _monitorTime;
}
private DataSampleThreadLocal() {
_monitorTime = System.currentTimeMillis();
}
private void _addDataSample(DataSample dataSample) {
_dataSamples.add(dataSample);
}
private Queue _getDataSamples() {
return _dataSamples;
}
private static final ThreadLocal
_dataSampleThreadLocal = new CentralizedThreadLocal<>(
DataSampleThreadLocal.class + "._dataSampleThreadLocal",
DataSampleThreadLocal::new, Function.identity(), true);
private final Queue _dataSamples =
new ConcurrentLinkedQueue<>();
private final long _monitorTime;
}