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/*
* Copyright 2005-2013 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* 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.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.ldap.transaction.compensating.manager;
import org.springframework.ldap.core.ContextSource;
import org.springframework.ldap.transaction.compensating.TempEntryRenamingStrategy;
import org.springframework.orm.hibernate5.HibernateTransactionManager;
import org.springframework.transaction.TransactionDefinition;
import org.springframework.transaction.TransactionException;
import org.springframework.transaction.TransactionSuspensionNotSupportedException;
import org.springframework.transaction.support.DefaultTransactionStatus;
/**
* A Transaction Manager to manage LDAP and Hibernate 3 operations within the same
* transaction. Note that even though the same logical transaction is used, this is
* not a JTA XA transaction; no two-phase commit will be performed, and thus commit
* and rollback may yield unexpected results.
* This Transaction Manager is as good as it gets when you are using in LDAP in
* combination with a Hibernate 3 and unable to use XA transactions because LDAP is not
* transactional by design to begin with.
*
* Furthermore, this manager does not support nested transactions
*
* @author Hans Westerbeek
* @since 1.2.2
* @deprecated The idea of wrapping two transaction managers without actual XA support is
* probably not such a good idea after all. AbstractPlatformTransactionManager is not
* designed for this usage.
*/
@Deprecated
public class ContextSourceAndHibernateTransactionManager extends HibernateTransactionManager {
/**
*
*/
private static final long serialVersionUID = 1L;
private ContextSourceTransactionManagerDelegate ldapManagerDelegate = new ContextSourceTransactionManagerDelegate();
/*
* @see org.springframework.orm.hibernate5.HibernateTransactionManager#
* isExistingTransaction(java.lang.Object)
*/
@Override
protected boolean isExistingTransaction(Object transaction) {
ContextSourceAndHibernateTransactionObject actualTransactionObject = (ContextSourceAndHibernateTransactionObject) transaction;
return super.isExistingTransaction(actualTransactionObject.getHibernateTransactionObject());
}
/*
* @see
* org.springframework.orm.hibernate5.HibernateTransactionManager#doGetTransaction()
*/
@Override
protected Object doGetTransaction() {
Object dataSourceTransactionObject = super.doGetTransaction();
Object contextSourceTransactionObject = this.ldapManagerDelegate.doGetTransaction();
return new ContextSourceAndHibernateTransactionObject(contextSourceTransactionObject,
dataSourceTransactionObject);
}
/*
* @see
* org.springframework.orm.hibernate5.HibernateTransactionManager#doBegin(java.lang.
* Object, org.springframework.transaction.TransactionDefinition)
*/
@Override
protected void doBegin(Object transaction, TransactionDefinition definition) {
ContextSourceAndHibernateTransactionObject actualTransactionObject = (ContextSourceAndHibernateTransactionObject) transaction;
super.doBegin(actualTransactionObject.getHibernateTransactionObject(), definition);
try {
this.ldapManagerDelegate.doBegin(actualTransactionObject.getLdapTransactionObject(), definition);
}
catch (TransactionException ex) {
// Failed to start LDAP transaction - make sure we clean up properly
super.doCleanupAfterCompletion(actualTransactionObject.getHibernateTransactionObject());
throw ex;
}
}
/*
* @see org.springframework.orm.hibernate5.HibernateTransactionManager#
* doCleanupAfterCompletion(java.lang.Object)
*/
@Override
protected void doCleanupAfterCompletion(Object transaction) {
ContextSourceAndHibernateTransactionObject actualTransactionObject = (ContextSourceAndHibernateTransactionObject) transaction;
super.doCleanupAfterCompletion(actualTransactionObject.getHibernateTransactionObject());
this.ldapManagerDelegate.doCleanupAfterCompletion(actualTransactionObject.getLdapTransactionObject());
}
/*
* @see org.springframework.orm.hibernate5.HibernateTransactionManager#doCommit(org.
* springframework.transaction.support.DefaultTransactionStatus)
*/
@Override
protected void doCommit(DefaultTransactionStatus status) {
ContextSourceAndHibernateTransactionObject actualTransactionObject = (ContextSourceAndHibernateTransactionObject) status
.getTransaction();
try {
super.doCommit(new DefaultTransactionStatus(actualTransactionObject.getHibernateTransactionObject(),
status.isNewTransaction(), status.isNewSynchronization(), status.isReadOnly(), status.isDebug(),
status.getSuspendedResources()));
}
catch (TransactionException ex) {
if (isRollbackOnCommitFailure()) {
logger.debug("Failed to commit db resource, rethrowing", ex);
// If we are to rollback on commit failure, just rethrow the
// exception - this will cause a rollback to be performed on
// both resources.
throw ex;
}
else {
logger.warn("Failed to commit and resource is rollbackOnCommit not set -"
+ " proceeding to commit ldap resource.");
}
}
this.ldapManagerDelegate.doCommit(new DefaultTransactionStatus(
actualTransactionObject.getLdapTransactionObject(), status.isNewTransaction(),
status.isNewSynchronization(), status.isReadOnly(), status.isDebug(), status.getSuspendedResources()));
}
/*
* @see org.springframework.orm.hibernate5.HibernateTransactionManager#doRollback(org.
* springframework.transaction.support.DefaultTransactionStatus)
*/
@Override
protected void doRollback(DefaultTransactionStatus status) {
ContextSourceAndHibernateTransactionObject actualTransactionObject = (ContextSourceAndHibernateTransactionObject) status
.getTransaction();
super.doRollback(new DefaultTransactionStatus(actualTransactionObject.getHibernateTransactionObject(),
status.isNewTransaction(), status.isNewSynchronization(), status.isReadOnly(), status.isDebug(),
status.getSuspendedResources()));
this.ldapManagerDelegate.doRollback(new DefaultTransactionStatus(
actualTransactionObject.getLdapTransactionObject(), status.isNewTransaction(),
status.isNewSynchronization(), status.isReadOnly(), status.isDebug(), status.getSuspendedResources()));
}
public ContextSource getContextSource() {
return this.ldapManagerDelegate.getContextSource();
}
public void setContextSource(ContextSource contextSource) {
this.ldapManagerDelegate.setContextSource(contextSource);
}
public void setRenamingStrategy(TempEntryRenamingStrategy renamingStrategy) {
this.ldapManagerDelegate.setRenamingStrategy(renamingStrategy);
}
/*
* @see
* org.springframework.orm.hibernate5.HibernateTransactionManager#doSuspend(java.lang.
* Object)
*/
@Override
protected Object doSuspend(Object transaction) {
throw new TransactionSuspensionNotSupportedException(
"Transaction manager [" + getClass().getName() + "] does not support transaction suspension");
}
/*
* @see
* org.springframework.orm.hibernate5.HibernateTransactionManager#doResume(java.lang.
* Object, java.lang.Object)
*/
@Override
protected void doResume(Object transaction, Object suspendedResources) {
throw new TransactionSuspensionNotSupportedException(
"Transaction manager [" + getClass().getName() + "] does not support transaction suspension");
}
@Override
public void afterPropertiesSet() {
super.afterPropertiesSet();
this.ldapManagerDelegate.checkRenamingStrategy();
}
private static final class ContextSourceAndHibernateTransactionObject {
private Object ldapTransactionObject;
private Object hibernateTransactionObject;
ContextSourceAndHibernateTransactionObject(Object ldapTransactionObject, Object hibernateTransactionObject) {
this.ldapTransactionObject = ldapTransactionObject;
this.hibernateTransactionObject = hibernateTransactionObject;
}
Object getHibernateTransactionObject() {
return this.hibernateTransactionObject;
}
Object getLdapTransactionObject() {
return this.ldapTransactionObject;
}
}
}