com.atomikos.icatch.imp.CompositeTransactionAdaptor Maven / Gradle / Ivy
/**
* Copyright (C) 2000-2012 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.imp;
import java.util.Properties;
import java.util.Stack;
import com.atomikos.icatch.CompositeCoordinator;
import com.atomikos.icatch.CompositeTransaction;
import com.atomikos.icatch.HeuristicMessage;
import com.atomikos.icatch.RecoveryCoordinator;
import com.atomikos.icatch.SysException;
/**
* A composite transaction adaptor for inter-position on an imported instance.
* This allows substitution of the recovery coordinator adaptor.
*/
public class CompositeTransactionAdaptor extends AbstractCompositeTransaction
implements CompositeCoordinator
{
private static final long serialVersionUID = 6361601412982044104L;
private RecoveryCoordinator adaptorForReplayRequests_;
private String root_;
private Boolean isRecoverableWhileActive_;
/**
* Create a new instance.
*
* @param lineage
* The parent info, not including the instance being
* constructed here!
* @param serial
* True if serial.
* @param adaptor
* The adaptor for replay requests.
* @param isRecoverableWhileActive
* Whether recoverable in active state or not. Null if not known.
*/
public CompositeTransactionAdaptor ( Stack lineage , String tid ,
boolean serial , RecoveryCoordinator adaptor , Boolean isRecoverableWhileActive )
{
super ( tid , (Stack) lineage.clone () , serial );
adaptorForReplayRequests_ = adaptor;
Stack tmp = (Stack) lineage.clone();
CompositeTransaction parent = null;
while ( !tmp.empty () ) {
parent = (CompositeTransaction) tmp.pop();
}
root_ = parent.getTid();
isRecoverableWhileActive_ = isRecoverableWhileActive;
}
/**
* Constructor for testin.
* @param root
* @param serial
* @param adaptor
*/
public CompositeTransactionAdaptor ( String root , boolean serial ,
RecoveryCoordinator adaptor )
{
this ( root , serial , adaptor , null );
}
/**
* Constructs a new instance for an imported ROOT. This constructor is
* needed for message-based propagation where only the root TID is passed.
*
* @param root
* The root URI.
* @param serial
* Flag for serial mode.
* @param adaptor
* The adaptor for recovery.
*/
public CompositeTransactionAdaptor ( String root , boolean serial ,
RecoveryCoordinator adaptor , Properties properties )
{
super ( root , null , serial );
adaptorForReplayRequests_ = adaptor;
root_ = root;
if ( properties != null ) properties_ = ( Properties ) properties.clone();
}
/**
* @see CompositeCoordinator.
*/
public CompositeCoordinator getCompositeCoordinator () throws SysException
{
return this;
}
/**
* @see CompositeCoordinator.
*/
public String getCoordinatorId ()
{
return root_;
}
/**
* @see CompositeCoordinator.
*/
public HeuristicMessage[] getTags ()
{
return null;
}
/**
* @see CompositeCoordinator.
*/
public RecoveryCoordinator getRecoveryCoordinator ()
{
return adaptorForReplayRequests_;
}
public Boolean isRecoverableWhileActive ()
{
return isRecoverableWhileActive_;
}
public void setRecoverableWhileActive()
{
throw new UnsupportedOperationException();
}
}