org.apache.aries.transaction.TransactionAttribute Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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
*
* http://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.apache.aries.transaction;
import javax.transaction.HeuristicMixedException;
import javax.transaction.HeuristicRollbackException;
import javax.transaction.InvalidTransactionException;
import javax.transaction.NotSupportedException;
import javax.transaction.RollbackException;
import javax.transaction.Status;
import javax.transaction.SystemException;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;
import javax.transaction.Transactional.TxType;
/**
* TODO This is copied from aries transaction. We could share this code
*/
public enum TransactionAttribute {
MANDATORY
{
@Override
public TransactionToken begin(TransactionManager man) throws SystemException
{
if (man.getStatus() == Status.STATUS_NO_TRANSACTION) {
throw new IllegalStateException("No transaction present when calling method that mandates a transaction.");
}
return new TransactionToken(man.getTransaction(), null, MANDATORY);
}
},
NEVER
{
@Override
public TransactionToken begin(TransactionManager man) throws SystemException
{
if (man.getStatus() == Status.STATUS_ACTIVE) {
throw new IllegalStateException("Transaction present when calling method that forbids a transaction.");
}
return new TransactionToken(null, null, NEVER);
}
},
NOT_SUPPORTED
{
@Override
public TransactionToken begin(TransactionManager man) throws SystemException
{
if (man.getStatus() == Status.STATUS_ACTIVE) {
return new TransactionToken(null, man.suspend(), this);
}
return new TransactionToken(null, null, NOT_SUPPORTED);
}
@Override
public void finish(TransactionManager man, TransactionToken tranToken) throws SystemException,
InvalidTransactionException
{
Transaction tran = tranToken.getSuspendedTransaction();
if (tran != null) {
man.resume(tran);
}
}
},
REQUIRED
{
@Override
public TransactionToken begin(TransactionManager man) throws SystemException, NotSupportedException
{
if (man.getStatus() == Status.STATUS_NO_TRANSACTION) {
man.begin();
return new TransactionToken(man.getTransaction(), null, REQUIRED, true);
}
return new TransactionToken(man.getTransaction(), null, REQUIRED);
}
@Override
public void finish(TransactionManager man, TransactionToken tranToken) throws SystemException,
InvalidTransactionException, RollbackException,
HeuristicMixedException, HeuristicRollbackException
{
if (tranToken.isCompletionAllowed()) {
if (man.getStatus() == Status.STATUS_MARKED_ROLLBACK) {
man.rollback();
} else {
man.commit();
}
}
}
},
REQUIRES_NEW
{
@Override
public TransactionToken begin(TransactionManager man) throws SystemException, NotSupportedException,
InvalidTransactionException
{
Transaction suspendedTransaction = (man.getStatus() == Status.STATUS_ACTIVE) ? man.suspend() : null;
try {
man.begin();
} catch (SystemException e) {
man.resume(suspendedTransaction);
throw e;
} catch (NotSupportedException e) {
man.resume(suspendedTransaction);
throw e;
}
return new TransactionToken(man.getTransaction(), suspendedTransaction, REQUIRES_NEW, true);
}
@Override
public void finish(TransactionManager man, TransactionToken tranToken) throws SystemException,
InvalidTransactionException, RollbackException,
HeuristicMixedException, HeuristicRollbackException
{
if (tranToken.isCompletionAllowed()) {
if (man.getStatus() == Status.STATUS_MARKED_ROLLBACK) {
man.rollback();
} else {
man.commit();
}
}
Transaction tran = tranToken.getSuspendedTransaction();
if (tran != null) {
man.resume(tran);
}
}
},
SUPPORTS
{
@Override
public TransactionToken begin(TransactionManager man) throws SystemException, NotSupportedException,
InvalidTransactionException
{
if (man.getStatus() == Status.STATUS_ACTIVE) {
return new TransactionToken(man.getTransaction(), null, SUPPORTS);
}
return new TransactionToken(null, null, SUPPORTS);
}
};
public static TransactionAttribute fromValue(TxType type)
{
return valueOf(type.name());
}
public TransactionToken begin(TransactionManager man) throws SystemException, NotSupportedException, InvalidTransactionException // NOSONAR
{
return null;
}
public void finish(TransactionManager man, TransactionToken tranToken) throws SystemException, // NOSONAR
InvalidTransactionException, RollbackException,
HeuristicMixedException, HeuristicRollbackException
{
// No operation by default
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy