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Apache Geronimo Transaction Manager
There is a newer version: 4.0.0
/**
 *  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.geronimo.transaction;

import java.io.Serializable;
import javax.transaction.HeuristicMixedException;
import javax.transaction.HeuristicRollbackException;
import javax.transaction.NotSupportedException;
import javax.transaction.RollbackException;
import javax.transaction.SystemException;
import javax.transaction.TransactionManager;
import javax.transaction.UserTransaction;

public final class GeronimoUserTransaction implements UserTransaction, Serializable {
    private static final long serialVersionUID = -7524804683512228998L;
    private transient TransactionManager transactionManager;

    public GeronimoUserTransaction(TransactionManager transactionManager) {
        this.transactionManager = transactionManager;
    }

    boolean isActive() {
        return transactionManager != null;
    }

    public void setTransactionManager(TransactionManager transactionManager) {
        if (this.transactionManager == null) {
            this.transactionManager = transactionManager;
        } else if (this.transactionManager != transactionManager) {
            throw new IllegalStateException("This user transaction is already associated with another transaction manager");
        }
    }


    public int getStatus() throws SystemException {
        return transactionManager.getStatus();
    }

    public void setRollbackOnly() throws IllegalStateException, SystemException {
        transactionManager.setRollbackOnly();
    }

    public void setTransactionTimeout(int seconds) throws SystemException {
        if (seconds < 0) {
            throw new SystemException("transaction timeout must be positive or 0, not " + seconds);
        }
        transactionManager.setTransactionTimeout(seconds);
    }

    public void begin() throws NotSupportedException, SystemException {
        transactionManager.begin();
    }

    public void commit() throws HeuristicMixedException, HeuristicRollbackException, IllegalStateException, RollbackException, SecurityException, SystemException {
        transactionManager.commit();
    }

    public void rollback() throws IllegalStateException, SecurityException, SystemException {
        transactionManager.rollback();
    }
}