TransactionWrapper.java

/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2012, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.jboss.capedwarf.datastore;

import javax.transaction.Transaction;

/**
 * Tx wrapper.
 *
 * @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
 */
class TransactionWrapper {
    private javax.transaction.Transaction delegate;
    private CapedwarfTransaction transaction;

    // previous existing tx
    private javax.transaction.Transaction previous;

    private static Transaction check(Transaction tx) {
        if (tx == null) {
            throw new IllegalArgumentException("No Tx -- should exist?!");
        }
        return tx;
    }

    TransactionWrapper(CapedwarfTransaction transaction) {
        this.delegate = check(transaction.getTransaction());
        this.transaction = transaction;
    }

    TransactionWrapper(Transaction delegate, CapedwarfTransaction transaction) {
        this.delegate = check(delegate);
        this.transaction = transaction;
    }

    Transaction getDelegate() {
        return delegate;
    }

    CapedwarfTransaction getTransaction() {
        return transaction;
    }

    Transaction getPrevious() {
        return previous;
    }

    void setPrevious(Transaction previous) {
        this.previous = previous;
    }
}