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Contains implementation for the portal services.
/**
* Copyright (c) 2000-2013 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.increment;
import com.liferay.portal.kernel.configuration.Filter;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.util.GetterUtil;
import com.liferay.portal.kernel.util.PropsKeys;
import com.liferay.portal.util.PropsUtil;
/**
* @author Shuyang Zhou
*/
public class BufferedIncrementConfiguration {
public BufferedIncrementConfiguration(String configuration) {
Filter filter = new Filter(configuration);
_enabled = GetterUtil.getBoolean(
PropsUtil.get(PropsKeys.BUFFERED_INCREMENT_ENABLED, filter));
_standbyQueueThreshold = GetterUtil.getInteger(
PropsUtil.get(
PropsKeys.BUFFERED_INCREMENT_STANDBY_QUEUE_THRESHOLD, filter));
_standbyTimeUpperLimit = GetterUtil.getLong(
PropsUtil.get(
PropsKeys.BUFFERED_INCREMENT_STANDBY_TIME_UPPER_LIMIT, filter));
long threadpoolKeepAliveTime = GetterUtil.getLong(
PropsUtil.get(
PropsKeys.BUFFERED_INCREMENT_THREADPOOL_KEEP_ALIVE_TIME,
filter));
if (threadpoolKeepAliveTime < 0) {
if (_log.isWarnEnabled()) {
_log.warn(
PropsKeys.BUFFERED_INCREMENT_THREADPOOL_KEEP_ALIVE_TIME +
"[" + configuration + "]=" + threadpoolKeepAliveTime +
". Auto reset to 0.");
}
threadpoolKeepAliveTime = 0;
}
_threadpoolKeepAliveTime = threadpoolKeepAliveTime;
int threadpoolMaxSize = GetterUtil.getInteger(
PropsUtil.get(
PropsKeys.BUFFERED_INCREMENT_THREADPOOL_MAX_SIZE, filter));
if (threadpoolMaxSize < 1) {
if (_log.isWarnEnabled()) {
_log.warn(
PropsKeys.BUFFERED_INCREMENT_THREADPOOL_MAX_SIZE +
"[" + configuration + "]=" + threadpoolMaxSize +
". Auto reset to 1.");
}
threadpoolMaxSize = 1;
}
_threadpoolMaxSize = threadpoolMaxSize;
if ((_standbyQueueThreshold > 0) && (_standbyTimeUpperLimit > 0)) {
_standbyEnabled = true;
}
else {
_standbyEnabled = false;
}
}
public long calculateStandbyTime(int queueLength) {
if (queueLength < 0) {
throw new IllegalArgumentException(
"Negative queue length " + queueLength);
}
if (!_standbyEnabled) {
throw new IllegalStateException("Standby is disabled");
}
if (queueLength > _standbyQueueThreshold) {
return 0;
}
return (_standbyQueueThreshold - queueLength) * _standbyTimeUpperLimit *
1000 / _standbyQueueThreshold;
}
public int getStandbyQueueThreshold() {
return _standbyQueueThreshold;
}
public long getStandbyTimeUpperLimit() {
return _standbyTimeUpperLimit;
}
public long getThreadpoolKeepAliveTime() {
return _threadpoolKeepAliveTime;
}
public int getThreadpoolMaxSize() {
return _threadpoolMaxSize;
}
public boolean isEnabled() {
return _enabled;
}
public boolean isStandbyEnabled() {
return _standbyEnabled;
}
private static Log _log = LogFactoryUtil.getLog(
BufferedIncrementConfiguration.class);
private final boolean _enabled;
private final boolean _standbyEnabled;
private final int _standbyQueueThreshold;
private final long _standbyTimeUpperLimit;
private final long _threadpoolKeepAliveTime;
private final int _threadpoolMaxSize;
}