com.sun.ejb.base.stats.HAStatefulSessionStoreStatsImpl Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of payara-micro Show documentation
Show all versions of payara-micro Show documentation
Micro Distribution of the Payara Project
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 1997-2011 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
// Portions Copyright [2019] Payara Foundation and/or affiliates
package com.sun.ejb.base.stats;
import com.sun.ejb.spi.stats.MonitorableSFSBStoreManager;
import com.sun.enterprise.admin.monitor.stats.*;
import org.glassfish.j2ee.statistics.CountStatistic;
/**
* Implementation of StatefulSessionStoreStats
* There is once instance of this class per StatefulEJBContainer
*
* @author Mahesh Kannan
*/
public class HAStatefulSessionStoreStatsImpl
extends StatefulSessionStoreStatsImpl
implements com.sun.enterprise.admin.monitor.stats.HAStatefulSessionStoreStats
{
private MutableCountStatisticImpl checkpointCount;
private MutableCountStatisticImpl checkpointSuccessCount;
private MutableCountStatisticImpl checkpointErrorCount;
private MutableAverageRangeStatisticImpl checkpointSize;
private MutableAverageRangeStatisticImpl checkpointTime;
private Object checkpointCountLock = new Object();
private Object checkpointSizeLock = new Object();
private Object checkpointTimeLock = new Object();
private long checkpointCountVal;
private long checkpointSuccessCountVal;
private long checkpointErrorCountVal;
public HAStatefulSessionStoreStatsImpl(
MonitorableSFSBStoreManager provider)
{
super(provider, "com.sun.enterprise.admin.monitor.stats.HAStatefulSessionStoreStats");
initialize();
}
protected void initialize() {
super.initialize();
synchronized (checkpointCountLock) {
checkpointCount = new MutableCountStatisticImpl(
new CountStatisticImpl("CheckpointCount"));
checkpointSuccessCount = new MutableCountStatisticImpl(
new CountStatisticImpl("CheckpointSuccessCount"));
checkpointErrorCount = new MutableCountStatisticImpl(
new CountStatisticImpl("CheckpointErrorCount"));
}
synchronized (checkpointTimeLock) {
checkpointTime = new MutableAverageRangeStatisticImpl(
new BoundedRangeStatisticImpl(0, 0, 0,
0, 0, "CheckpointTime",
"millis", "Time spent on checkpointing", 0, 0)
);
}
synchronized (checkpointSizeLock) {
checkpointSize = new MutableAverageRangeStatisticImpl(
new BoundedRangeStatisticImpl(0, 0, 0,
0, 0, "CheckpointSize",
"millis", "Number of bytes checkpointed", 0, 0)
);
}
}
/**
* Returns the total number of sessions checkpointed into the store
*/
public CountStatistic getCheckpointCount() {
synchronized (checkpointCountLock) {
checkpointCount.setCount(checkpointCountVal);
return (CountStatistic) checkpointCount.unmodifiableView();
}
}
/**
* Returns the total number of sessions successfully Checkpointed into the store
*/
public CountStatistic getCheckpointSuccessCount() {
synchronized (checkpointCountLock) {
checkpointSuccessCount.setCount(checkpointSuccessCountVal);
return (CountStatistic) checkpointSuccessCount.unmodifiableView();
}
}
/**
* Returns the total number of sessions that couldn't be Checkpointed into the store
*/
public CountStatistic getCheckpointErrorCount() {
synchronized (checkpointCountLock) {
checkpointErrorCount.setCount(checkpointErrorCountVal);
return (CountStatistic) checkpointErrorCount.unmodifiableView();
}
}
/**
* Returns the number of bytes checkpointed
*/
public AverageRangeStatistic getCheckpointedBeanSize() {
synchronized (checkpointTimeLock) {
return (AverageRangeStatistic) checkpointSize.unmodifiableView();
}
}
/**
* Returns the time spent on passivating beans to the store including total, min, max
*/
public AverageRangeStatistic getCheckpointTime() {
synchronized (checkpointTimeLock) {
return (AverageRangeStatistic) checkpointTime.unmodifiableView();
}
}
public void incrementCheckpointCount(boolean success) {
synchronized (checkpointCountLock) {
checkpointCountVal++;
if (success) {
checkpointSuccessCountVal++;
} else {
checkpointErrorCountVal++;
}
}
}
public void setCheckpointSize(long val) {
synchronized (checkpointSizeLock) {
checkpointSize.setCount(val);
}
}
public void setCheckpointTime(long val) {
synchronized (checkpointTimeLock) {
checkpointTime.setCount(val);
}
}
protected void appendStats(StringBuilder sbuf) {
super.appendStats(sbuf);
sbuf.append("CheckpointCount: ").append(checkpointCountVal)
.append("; ")
.append("CheckpointSuccessCount: ").append(checkpointSuccessCountVal)
.append("; ")
.append("CheckpointErrorCount: ").append(checkpointErrorCountVal)
.append("; ");
appendTimeStatistic(sbuf, "CheckpointTime", checkpointTime);
}
}