com.atomikos.icatch.admin.jmx.JmxTransaction Maven / Gradle / Ivy
/**
* Copyright (C) 2000-2010 Atomikos
*
* This code ("Atomikos TransactionsEssentials"), by itself,
* is being distributed under the
* Apache License, Version 2.0 ("License"), a copy of which may be found at
* http://www.atomikos.com/licenses/apache-license-2.0.txt .
* You may not use this file except in compliance with the License.
*
* While the License grants certain patent license rights,
* those patent license rights only extend to the use of
* Atomikos TransactionsEssentials by itself.
*
* This code (Atomikos TransactionsEssentials) contains certain interfaces
* in package (namespace) com.atomikos.icatch
* (including com.atomikos.icatch.Participant) which, if implemented, may
* infringe one or more patents held by Atomikos.
* It should be appreciated that you may NOT implement such interfaces;
* licensing to implement these interfaces must be obtained separately from Atomikos.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
*/
package com.atomikos.icatch.admin.jmx;
import javax.management.MBeanRegistration;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import com.atomikos.icatch.HeuristicMessage;
import com.atomikos.icatch.admin.AdminTransaction;
/**
* The base class for MBean administration of transactions.
*/
public abstract class JmxTransaction implements JmxTransactionMBean,
MBeanRegistration
{
private AdminTransaction adminTransaction;
private MBeanServer server;
private ObjectName name;
/**
* Converts the given int state.
*
* @param state
* The given int state.
* @return String The string state, or null if not found.
*/
protected static String convertState ( int state )
{
String ret = "UNKNOWN";
switch ( state ) {
case AdminTransaction.STATE_ACTIVE:
ret = "ACTIVE";
break;
case AdminTransaction.STATE_PREPARING:
ret = "PREPARING";
break;
case AdminTransaction.STATE_PREPARED:
ret = "PREPARED";
break;
case AdminTransaction.STATE_HEUR_MIXED:
ret = "HEURISTIC MIXED";
break;
case AdminTransaction.STATE_HEUR_HAZARD:
ret = "HEURISTIC HAZARD";
break;
case AdminTransaction.STATE_HEUR_COMMITTED:
ret = "HEURISTIC COMMIT";
break;
case AdminTransaction.STATE_HEUR_ABORTED:
ret = "HEURISTIC ROLLBACK";
break;
case AdminTransaction.STATE_COMMITTING:
ret = "COMMITTING";
break;
case AdminTransaction.STATE_ABORTING:
ret = "ROLLING BACK";
break;
case AdminTransaction.STATE_TERMINATED:
ret = "TERMINATED";
break;
default:
break;
}
return ret;
}
protected static String[] convertHeuristicMessages ( HeuristicMessage[] msgs )
{
String[] ret = new String[msgs.length];
for ( int i = 0; i < msgs.length; i++ ) {
if ( msgs[i] != null )
ret[i] = msgs[i].toString ();
else
ret[i] = "";
}
return ret;
}
/**
* Wraps an existing AdminTransaction instance as an MBean.
*
* @param adminTransaction
* The existing to wrap.
*/
public JmxTransaction ( AdminTransaction adminTransaction )
{
super ();
this.adminTransaction = adminTransaction;
}
protected AdminTransaction getAdminTransaction ()
{
return adminTransaction;
}
protected void unregister ()
{
try {
if ( server.isRegistered ( name ) )
server.unregisterMBean ( name );
} catch ( Exception e ) {
e.printStackTrace ();
throw new RuntimeException ( e.getMessage () );
}
}
/**
* @see com.atomikos.icatch.admin.jmx.TransactionMBean#getTid()
*/
public String getTid ()
{
return adminTransaction.getTid ();
}
/**
* @see com.atomikos.icatch.admin.jmx.TransactionMBean#getState()
*/
public String getState ()
{
return convertState ( adminTransaction.getState () );
}
/**
* @see com.atomikos.icatch.admin.jmx.TransactionMBean#getTags()
*/
public String[] getTags ()
{
return convertHeuristicMessages ( adminTransaction.getTags () );
}
/**
* @see com.atomikos.icatch.admin.jmx.TransactionMBean#getHeuristicMessages()
*/
public String[] getHeuristicMessages ()
{
return convertHeuristicMessages ( adminTransaction
.getHeuristicMessages () );
}
/**
* @see javax.management.MBeanRegistration#preRegister(javax.management.MBeanServer,
* javax.management.ObjectName)
*/
public ObjectName preRegister ( MBeanServer server , ObjectName name )
throws Exception
{
this.server = server;
if ( name == null )
name = new ObjectName ( "atomikos.transactions", "TID", getTid () );
this.name = name;
return name;
}
/**
* @see javax.management.MBeanRegistration#postRegister(java.lang.Boolean)
*/
public void postRegister ( Boolean arg0 )
{
// nothing to do
}
/**
* @see javax.management.MBeanRegistration#preDeregister()
*/
public void preDeregister () throws Exception
{
// nothing to do
}
/**
* @see javax.management.MBeanRegistration#postDeregister()
*/
public void postDeregister ()
{
// nothing to do
}
}