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package com.sun.enterprise.transaction;
import com.sun.enterprise.admin.event.*;
import com.sun.enterprise.admin.event.tx.JTSEvent;
import com.sun.enterprise.admin.event.tx.JTSEventListener;
import java.util.*;
import com.sun.enterprise.config.*;
import com.sun.enterprise.Switch;
//import com.sun.enterprise.config.serverbeans.*;
import com.sun.enterprise.config.serverbeans.ServerXPathHelper;
import com.sun.enterprise.config.serverbeans.ServerTags;
import com.sun.enterprise.distributedtx.J2EETransactionManagerImpl;
import com.sun.jts.CosTransactions.Configuration;
import java.util.logging.Logger;
import java.util.logging.Level;
import com.sun.logging.LogDomains;
import com.sun.enterprise.util.i18n.StringManager;
/*
* Listener for JTS dynamic configuration.
*/
public class JTSConfigChangeEventListener implements JTSEventListener
{
// Sting Manager for Localization
private static StringManager sm = StringManager.getManager(JTSConfigChangeEventListener.class);
// Logger to log transaction messages
static Logger _logger = LogDomains.getLogger(LogDomains.JTA_LOGGER);
public String xPath = ServerXPathHelper.XPATH_TRANSACTION_SERVICE;
private static ConfigChangeCategory category = new ConfigChangeCategory(
"jts", ServerXPathHelper.REGEX_XPATH_CONFIG
+ ServerXPathHelper.XPATH_SEPARATOR
+ ServerXPathHelper.REGEX_ONE_PLUS
+ ServerTags.TRANSACTION_SERVICE + ".*");
public static ConfigChangeCategory getCategory() {
return category;
}
public void handleCreate(JTSEvent event) throws AdminEventListenerException {
throw new AdminEventListenerException("handleCreate is not valid for JTSEvent");
}
public void handleDelete(JTSEvent event) throws AdminEventListenerException {
throw new AdminEventListenerException("handleDelete is not valid for JTSEvent");
}
public void handleUpdate(JTSEvent event) throws AdminEventListenerException {
//Bug Id: 4666390 Handle no event in event list case
if(event==null){
//do nothing
return;
}
ArrayList configChangeList = event.getConfigChangeList();
if(configChangeList==null){
//do nothing
return;
}
//Bug Id: 4666390 End
ConfigUpdate configUpdate = null;
boolean match = false;
for (int i = 0; i < configChangeList.size(); i++) {
configUpdate = (ConfigUpdate) configChangeList.get(i);
if (configUpdate.getXPath() != null &&
configUpdate.getXPath().endsWith(ServerTags.TRANSACTION_SERVICE)) {
if (xPath.equals(configUpdate.getXPath())) {
match = true;
break;
}
}
}
if (match) { // TransactionService has been changed
Set attributeSet = configUpdate.getAttributeSet();
String next = null;
for (Iterator iter = attributeSet.iterator(); iter.hasNext();) {
next = (String) iter.next();
if (next.equals(ServerTags.TIMEOUT_IN_SECONDS)) {
_logger.log(Level.FINE," Transaction Timeout interval event occurred");
String oldTimeout = configUpdate.getOldValue(ServerTags.TIMEOUT_IN_SECONDS);
String newTimeout = configUpdate.getNewValue(ServerTags.TIMEOUT_IN_SECONDS);
if (oldTimeout.equals(newTimeout)) {
}
else {
try {
Switch.getSwitch().getTransactionManager().setDefaultTransactionTimeout(
Integer.parseInt(newTimeout,10));
} catch (Exception ex) {
_logger.log(Level.WARNING,"transaction.reconfig_txn_timeout_failed",ex);
}
} // timeout-in-seconds
}else if (next.equals(ServerTags.KEYPOINT_INTERVAL)) {
_logger.log(Level.FINE,"Keypoint interval event occurred");
String oldKeyPoint = configUpdate.getOldValue(ServerTags.KEYPOINT_INTERVAL);
String newKeyPoint = configUpdate.getNewValue(ServerTags.KEYPOINT_INTERVAL);
if (oldKeyPoint.equals(newKeyPoint)) {
}
else {
Configuration.setKeypointTrigger(Integer.parseInt(newKeyPoint,10));
}
}else if (next.equals(ServerTags.RETRY_TIMEOUT_IN_SECONDS)) {
String oldRetryTiemout = configUpdate.getOldValue(ServerTags.RETRY_TIMEOUT_IN_SECONDS);
String newRetryTiemout = configUpdate.getNewValue(ServerTags.RETRY_TIMEOUT_IN_SECONDS);
_logger.log(Level.FINE,"retry_timeout_in_seconds reconfig event occurred " + newRetryTiemout);
if (oldRetryTiemout.equals(newRetryTiemout)) {
}
else {
Configuration.setCommitRetryVar(newRetryTiemout);
}
}
else {
// Not handled dynamically. Restart is required.
AdminEventMulticaster.notifyFailure(event, AdminEventResult.RESTART_NEEDED);
}
/*
//This feature is currently dropped as it's not implemented totally
else if (next.equals("commit-retries")) {
String oldCommitRetries = configUpdate.getOldValue("commit-retries");
String newCommitRetries = configUpdate.getNewValue("commit-retries");
if (oldCommitRetries.equals(newCommitRetries)) {
}
else {
Configuration.setCommitRetryVar(newCommitRetries);
}
} // commit-retries
*/
}
}
}
}
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