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package com.sun.enterprise.transaction.monitor;
import com.sun.enterprise.admin.monitor.registry.*;
import com.sun.enterprise.admin.monitor.stats.*;
import com.sun.enterprise.admin.monitor.stats.JTAStats;
import com.sun.jts.CosTransactions.RecoveryManager;
import javax.management.j2ee.statistics.*;
import java.util.logging.Logger;
import java.util.logging.Level;
import java.util.Map;
import java.util.List;
import com.sun.logging.LogDomains;
public class JTAStatsImpl implements JTAStats, MonitoringLevelListener {
private JTSMonitorMBean mBean = null;
private GenericStatsImpl gStatsDelegate = null;
static Logger _logger = LogDomains.getLogger(LogDomains.JTA_LOGGER);
private static JTAStatsImpl instance = null;
// Will be instantiated by JTSMonitorMBean
private JTAStatsImpl(JTSMonitorMBean mBean) {
this.mBean = mBean;
try {
gStatsDelegate = new GenericStatsImpl("com.sun.enterprise.admin.monitor.stats.JTAStats",this);
} catch (ClassNotFoundException clex) {
_logger.log(Level.WARNING,"transaction.monitor.error_creating_jtastatsimpl",clex);
// log and forget. Should not happen
}
}
public static synchronized void createInstance(JTSMonitorMBean mBean) {
if (instance == null)
instance = new JTAStatsImpl(mBean);
}
public static synchronized JTAStatsImpl getInstance() {
if (instance == null)
throw new UnsupportedOperationException();
return instance;
}
// Remove once it is deprecated
public void setLevel(MonitoringLevel level) {
if (level == MonitoringLevel.OFF) {
mBean.stopMonitoring();
}
else if (level == MonitoringLevel.LOW || level == MonitoringLevel.HIGH) {
mBean.startMonitoring();
}
}
// MonitoringLevelListener method
public void changeLevel(MonitoringLevel from, MonitoringLevel to,
javax.management.j2ee.statistics.Stats handback) {
if (from != to) {
_logger.log(Level.FINE,"JTAStats Monitoring level changed from " + from + " to " + to);
if (to == MonitoringLevel.OFF) {
mBean.stopMonitoring();
}
else if (to == MonitoringLevel.LOW || to == MonitoringLevel.HIGH) {
mBean.startMonitoring();
}
}
}
public StringStatistic getActiveIds() {
String activeStr = null;
try {
activeStr = (String)mBean.getAttribute(JTSMonitorMBean.INFLIGHT_TRANSACTIONS);
}catch (javax.management.AttributeNotFoundException jmxex) {
_logger.log(Level.WARNING,"transaction.monitor.attribute_not_found",jmxex);
}
return new StringStatisticImpl(activeStr,
"ActiveIds",
//"getActiveIds",
"List",
"List of inflight transactions",
mBean.getStartTime(),
System.currentTimeMillis());
}
public StringStatistic getState() {
String str = null;
try {
str = (String)mBean.getAttribute(JTSMonitorMBean.IS_FROZEN);
}catch (javax.management.AttributeNotFoundException jmxex) {
_logger.log(Level.WARNING,"transaction.monitor.attribute_not_found",jmxex);
// log and forget. Should not happen
}
return new StringStatisticImpl(str,
"State",
//"getState",
"String",
"Transaction system state: frozen?",
mBean.getStartTime(),
System.currentTimeMillis());
}
public CountStatistic getActiveCount() {
Integer count = null;
try {
count = (Integer)mBean.getAttribute(JTSMonitorMBean.NUM_TRANSACTIONS_INFLIGHT);
}catch (javax.management.AttributeNotFoundException jmxex) {
_logger.log(Level.WARNING,"transaction.monitor.attribute_not_found",jmxex);
// log and forget. Should not happen
}
return new CountStatisticImpl(count.longValue(),
"ActiveCount",
// "getActiveCount",
CountStatisticImpl.DEFAULT_UNIT,
"number of active transactions",
System.currentTimeMillis(),
mBean.getStartTime());
}
public CountStatistic getCommittedCount() {
Integer count = null;
try {
count = (Integer)mBean.getAttribute(JTSMonitorMBean.NUM_TRANSACTIONS_COMPLETED);
}catch (javax.management.AttributeNotFoundException jmxex) {
_logger.log(Level.WARNING,"transaction.monitor.attribute_not_found",jmxex);
// log and forget. Should not happen
}
return new CountStatisticImpl(count.longValue(),
"CommittedCount",
//"getCommittedCount",
CountStatisticImpl.DEFAULT_UNIT,
"number of committed transactions",
System.currentTimeMillis(),
mBean.getStartTime());
}
public CountStatistic getRolledbackCount() {
Integer count = null;
try {
count = (Integer)mBean.getAttribute(JTSMonitorMBean.NUM_TRANSACTIONS_ROLLEDBACK);
}catch (javax.management.AttributeNotFoundException jmxex) {
_logger.log(Level.WARNING,"transaction.monitor.attribute_not_found",jmxex);
// log and forget. Should not happen
}
return new CountStatisticImpl(count.longValue(),
"RolledbackCount",
//"getRolledbackCount",
CountStatisticImpl.DEFAULT_UNIT,
"number of rolled-back transactions",
System.currentTimeMillis(),
mBean.getStartTime());
}
public void freeze() {
mBean.freeze();
}
public void unfreeze() {
mBean.unfreeze();
}
/**
* method for rolling back a single transaction
* @param txnId String representing the Id of the transaction to be
* roled back
*/
public String rollback(String txnId) {
String result = (String) mBean.setRollback(txnId);
if (_logger.isLoggable(Level.FINE))
_logger.log(Level.FINE, result);
return result;
}
/**
public String[] rollback(String[] txnIds) {
return mBean.rollback(txnIds);
}
*/
public Statistic getStatistic(String statisticName) {
return gStatsDelegate.getStatistic(statisticName);
}
public String[] getStatisticNames() {
return gStatsDelegate.getStatisticNames();
}
public Statistic[] getStatistics() {
return gStatsDelegate.getStatistics();
}
public void changeLevel(MonitoringLevel from, MonitoringLevel to, MonitoredObjectType type) {
if (from != to) {
_logger.log(Level.FINE,"JTAStats Monitoring level changed from " + from + " to " + to);
if (to == MonitoringLevel.OFF) {
mBean.stopMonitoring();
}
else if (to == MonitoringLevel.LOW || to == MonitoringLevel.HIGH) {
mBean.startMonitoring();
}
}
}
public List<Map<String, String>> listActiveTransactions() {
return mBean.listActiveTransactions();
}
public Boolean isRecoveryRequired() {
return RecoveryManager.isIncompleteTxRecoveryRequired();
}
}
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