/*
* 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.isis.applib.services.xactn;
public enum TransactionState {
/**
* No transaction exists.
*/
NONE,
/**
* Started, still in progress.
* <p/>
* <p/>
* May flush, commit or abort.
*/
IN_PROGRESS,
/**
* Started, but has hit an exception.
* <p/>
* <p/>
* May not flush or commit (will throw an {@link IllegalStateException}),
* can only abort.
* <p/>
* <p/>
* Similar to <tt>setRollbackOnly</tt> in EJBs.
*/
MUST_ABORT,
/**
* Completed, having successfully committed.
* <p/>
* <p/>
* May not flush or abort or commit (will throw {@link IllegalStateException}).
*/
COMMITTED,
/**
* Completed, having aborted.
* <p/>
* <p/>
* May not flush, commit or abort (will throw {@link IllegalStateException}).
*/
ABORTED;
private TransactionState() {
}
/**
* Whether it is valid to flush the transaction.
*/
public boolean canFlush() {
return this == IN_PROGRESS;
}
/**
* Whether it is valid to commit the transaction.
*/
public boolean canCommit() {
return this == IN_PROGRESS;
}
/**
* Whether it is valid to mark as aborted this transaction}.
*/
public boolean canAbort() {
return this == IN_PROGRESS || this == MUST_ABORT;
}
/**
* Whether the transaction is complete (and so a new one can be started).
*/
public boolean isComplete() {
return this == COMMITTED || this == ABORTED;
}
public boolean mustAbort() {
return this == MUST_ABORT;
}
}