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org/springframework/transaction/jta/JtaAfterCompletionSynchronization.java
/*
 * Copyright 2002-2009 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
 *
 *      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.springframework.transaction.jta;

import java.util.List;
import javax.transaction.Status;
import javax.transaction.Synchronization;

import org.springframework.transaction.support.TransactionSynchronization;
import org.springframework.transaction.support.TransactionSynchronizationUtils;

/**
 * Adapter for a JTA Synchronization, invoking the <code>afterCommit</code> /
 <code>afterCompletion</code> callbacks of Spring {@link TransactionSynchronization}
 * objects callbacks after the outer JTA transaction has completed.
 * Applied when participating in an existing (non-Spring) JTA transaction.
 *
 @author Juergen Hoeller
 @since 2.0
 @see TransactionSynchronization#afterCommit
 @see TransactionSynchronization#afterCompletion
 */
public class JtaAfterCompletionSynchronization implements Synchronization {

  private final List<TransactionSynchronization> synchronizations;


  /**
   * Create a new JtaAfterCompletionSynchronization for the given synchronization objects.
   @param synchronizations the List of TransactionSynchronization objects
   @see org.springframework.transaction.support.TransactionSynchronization
   */
  public JtaAfterCompletionSynchronization(List<TransactionSynchronization> synchronizations) {
    this.synchronizations = synchronizations;
  }


  public void beforeCompletion() {
  }

  public void afterCompletion(int status) {
    switch (status) {
      case Status.STATUS_COMMITTED:
        try {
          TransactionSynchronizationUtils.invokeAfterCommit(this.synchronizations);
        }
        finally {
          TransactionSynchronizationUtils.invokeAfterCompletion(
              this.synchronizations, TransactionSynchronization.STATUS_COMMITTED);
        }
        break;
      case Status.STATUS_ROLLEDBACK:
        TransactionSynchronizationUtils.invokeAfterCompletion(
            this.synchronizations, TransactionSynchronization.STATUS_ROLLED_BACK);
        break;
      default:
        TransactionSynchronizationUtils.invokeAfterCompletion(
            this.synchronizations, TransactionSynchronization.STATUS_UNKNOWN);
    }
  }
}