com.sun.ejb.monitoring.stats.StatefulSessionBeanStatsProvider Maven / Gradle / Ivy
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/*
* Copyright (c) 2009, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.ejb.monitoring.stats;
import com.sun.ejb.containers.StatefulSessionContainer;
import java.util.concurrent.atomic.AtomicLong;
import org.glassfish.external.probe.provider.annotations.*;
import org.glassfish.external.statistics.*;
import org.glassfish.external.statistics.impl.*;
import org.glassfish.gmbal.*;
/**
* Probe listener for the Stateful Session Beans part of the EJB monitoring events.
*
* @author Marina Vatkina
*/
@AMXMetadata(type="stateful-session-bean-mon", group="monitoring", isSingleton=false)
@ManagedObject
public class StatefulSessionBeanStatsProvider extends EjbMonitoringStatsProvider {
private BoundedRangeStatisticImpl methodReadyStat = null;
private BoundedRangeStatisticImpl passiveCount = null;
private AtomicLong methodReadyCount = new AtomicLong();
private AtomicLong passivations = new AtomicLong();
public StatefulSessionBeanStatsProvider(StatefulSessionContainer delegate,
long beanId, String appName, String moduleName, String beanName) {
super(beanId, appName, moduleName, beanName);
long now = System.currentTimeMillis();
methodReadyStat = new BoundedRangeStatisticImpl(
0, 0, 0, delegate.getMaxCacheSize(), 0,
"MethodReadyCount", "count", "Number of stateful session beans in MethodReady state",
now, now);
passiveCount = new BoundedRangeStatisticImpl(
0, 0, 0, Long.MAX_VALUE, 0,
"PassiveCount", "count", "Number of stateful session beans in Passive state",
now, now);
}
@ManagedAttribute(id="methodreadycount")
@Description( "Number of stateful session beans in MethodReady state")
public RangeStatistic getMethodReadyCount() {
methodReadyStat.setCurrent(methodReadyCount.get());
return methodReadyStat;
}
@ManagedAttribute(id="passivecount")
@Description( "Number of stateful session beans in Passive state")
public RangeStatistic getPassiveCount() {
passiveCount.setCurrent(passivations.get());
return passiveCount;
}
@ProbeListener("glassfish:ejb:bean:methodReadyAddEvent")
public void methodReadyAddEvent(
@ProbeParam("beanId") long beanId,
@ProbeParam("appName") String appName,
@ProbeParam("modName") String modName,
@ProbeParam("ejbName") String ejbName) {
if (this.beanId == beanId) {
log ("methodReadyAddEvent", "StatefulSessionBeanStatsProvider");
methodReadyCount.incrementAndGet();
}
}
@ProbeListener("glassfish:ejb:bean:methodReadyRemoveEvent")
public void methodReadyRemoveEvent(
@ProbeParam("beanId") long beanId,
@ProbeParam("appName") String appName,
@ProbeParam("modName") String modName,
@ProbeParam("ejbName") String ejbName) {
if (this.beanId == beanId) {
log ("methodReadyRemoveEvent", "StatefulSessionBeanStatsProvider");
methodReadyCount.decrementAndGet();
}
}
@ProbeListener("glassfish:ejb:cache:beanPassivatedEvent")
public void ejbBeanPassivatedEvent(
@ProbeParam("beanId") long beanId,
@ProbeParam("appName") String appName,
@ProbeParam("modName") String modName,
@ProbeParam("ejbName") String ejbName,
@ProbeParam("success") boolean success) {
if (this.beanId == beanId && success) {
log ("beanPassivatedEvent", "StatefulSessionBeanStatsProvider");
passivations.incrementAndGet();
}
}
@ProbeListener("glassfish:ejb:cache:expiredSessionsRemovedEvent")
public void ejbExpiredSessionsRemovedEvent(
@ProbeParam("beanId") long beanId,
@ProbeParam("appName") String appName,
@ProbeParam("modName") String modName,
@ProbeParam("ejbName") String ejbName,
@ProbeParam("num") long num) {
if (this.beanId == beanId) {
log ("expiredSessionsRemovedEvent", "StatefulSessionBeanStatsProvider");
passivations.addAndGet(-num);
}
}
public void setPassiveCount(long passiveCount) {
passivations.set(passiveCount);
}
}