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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
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* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
/**
* This is used for transaction completion and crash recovery flows.
*
* @version 1.0
* @author Ram Jeyaraman
*/
// check if xid is valid
}
}
/**
* Commits the global transaction specified by xid.
*
* @param xid A global transaction identifier
*
* @param onePhase If true, the resource manager should use a one-phase
* commit protocol to commit the work done on behalf of xid.
*
* @exception XAException An error has occurred. Possible XAExceptions
* are XA_HEURHAZ, XA_HEURCOM, XA_HEURRB, XA_HEURMIX, XAER_RMERR,
* XAER_RMFAIL, XAER_NOTA, XAER_INVAL, or XAER_PROTO.
*
* <P>If the resource manager did not commit the transaction and the
* parameter onePhase is set to true, the resource manager may throw
* one of the XA_RB* exceptions. Upon return, the resource manager has
* rolled back the branch's work and has released all held resources.
*/
if (onePhase) {
// Synchronizers invoked by coord.beforeCompletion must be
// executed with the transaction context of the transaction
// that is being committed as specified in
// in method javax.Synchronization.beforeCompletion
try {
} catch (Throwable e) {
// failed check for concurrent activity
throw xaExc;
}
} else {
// check for concurrrent activity
}
}
boolean exceptionFlag = false;
try {
// First of all make sure it has been recovered if necessary
// Look up the Coordinator for the transaction.
throw new XAException(errorCode);
}
// If there is a Coordinator, lock it for the duration of this
// operation. Tell the Coordinator to commit.
synchronized (coord) {
if (onePhase) {
} else {
try {
} catch (HeuristicMixed exc) {
throw new XAException(errorCode);
}
}
}
} else {
}
}
exceptionFlag = true;
throw xaExc;
} finally {
if (onePhase) {
// Complete full transactional context created for
// beforeCompletion calls in prepare phase of one phase commit.
try {
} catch (Throwable t) {
if (!exceptionFlag) {
throw xaExc;
}
}
} else {
if (!exceptionFlag) { // no exception yet
}
}
}
}
}
/**
* Tells the resource manager to forget about a heuristically
* completed transaction branch.
*
* @param xid A global transaction identifier.
*
* @exception XAException An error has occurred. Possible exception
* values are XAER_RMERR, XAER_RMFAIL, XAER_NOTA, XAER_INVAL, or
* XAER_PROTO.
*/
/**
* Ask the resource manager to prepare for a transaction commit
* of the transaction specified in xid.
*
* @param xid A global transaction identifier.
*
* @exception XAException An error has occurred. Possible exception
* values are: XA_RB*, XAER_RMERR, XAER_RMFAIL, XAER_NOTA, XAER_INVAL,
* or XAER_PROTO.
*
* @return A value indicating the resource manager's vote on the
* outcome of the transaction. The possible values are: XA_RDONLY
* or XA_OK. These constants are defined in
* <code> javax.transaction.xa.XATerminator</code> interface.
* If the resource manager wants to roll back the
* transaction, it should do so by raising an appropriate XAException
* in the prepare method.
*/
try {
// Synchronizers invoked by coord.beforeCompletion must be
// executed with the transaction context of the transaction
// that is being committed as specified in
// in method javax.Synchronization.beforeCompletion
} catch (Throwable e) {
// failed check for concurrent activity for transaction tid.
throw xaExc;
}
boolean exceptionFlag = false;
try {
// First of all make sure it has been recovered if necessary
// Look up the Coordinator for the transaction.
throw new XAException(errorCode);
}
// If there is a Coordinator, lock it for the duration of this
// operation. Tell the Coordinator to commit.
synchronized (coord) {
return XAResource.XA_OK;
return XAResource.XA_RDONLY;
}
throw new XAException(errorCode);
}
exceptionFlag = true;
throw xaExc;
} finally {
try {
} catch (Throwable t) {
if (!exceptionFlag) {
throw xaExc;
}
// else allow original exception to be thrown
}
}
}
/**
* Obtains a list of prepared transaction branches from a resource
* manager. The transaction manager calls this method during recovery
* to obtain the list of transaction branches that are currently in
* prepared or heuristically completed states.
*
* @param flag One of TMSTARTRSCAN, TMENDRSCAN, TMNOFLAGS. TMNOFLAGS
* must be used when no other flags are set in the parameter. These
* constants are defined in <code>javax.transaction.xa.XATerminator</code>
* interface.
*
* @exception XAException An error has occurred. Possible values are
* XAER_RMERR, XAER_RMFAIL, XAER_INVAL, and XAER_PROTO.
*
* @return The resource manager returns zero or more XIDs of the
* transaction branches that are currently in a prepared or
* heuristically completed state. If an error occurs during the
* operation, the resource manager should throw the appropriate
* XAException.
*/
// wait for recovery to be completed.
}
/**
* Informs the resource manager to roll back work done on behalf
* of a transaction branch.
*
* @param xid A global transaction identifier.
*
* @exception XAException An error has occurred. Possible XAExceptions are
* XA_HEURHAZ, XA_HEURCOM, XA_HEURRB, XA_HEURMIX, XAER_RMERR, XAER_RMFAIL,
* XAER_NOTA, XAER_INVAL, or XAER_PROTO.
*
* <p>If the transaction branch is already marked rollback-only the
* resource manager may throw one of the XA_RB* exceptions. Upon return,
* the resource manager has rolled back the branch's work and has released
* all held resources.
*/
// check for concurrent activity
}
boolean exceptionFlag = false;
try {
// First of all make sure it has been recovered if necessary
// Look up the Coordinator for the transaction.
throw new XAException(errorCode);
}
// If there is a Coordinator, lock it for the duration of this
// operation. Tell the Coordinator to commit.
synchronized (coord) {
}
exceptionFlag = true;
throw xaExc;
} finally {
if (!exceptionFlag) {
}
}
}
}
// no standardized JNDI name exists across as implementations for TM, this is Sun App Server specific.
try {
} catch (NamingException e) { }
return result;
}
}
}
}
}
}
}