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Relational Persistence for Java

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//$Id: JTAHelper.java 10068 2006-06-28 17:07:06Z [email protected] $
package org.hibernate.util;

import javax.transaction.Status;
import javax.transaction.SystemException;
import javax.transaction.TransactionManager;

import org.hibernate.TransactionException;
import org.hibernate.engine.SessionFactoryImplementor;

/**
 * @author Gavin King
 */
public final class JTAHelper {

	private JTAHelper() {}

	public static boolean isRollback(int status) {
		return status==Status.STATUS_MARKED_ROLLBACK ||
		       status==Status.STATUS_ROLLING_BACK ||
		       status==Status.STATUS_ROLLEDBACK;
	}

	public static boolean isInProgress(int status) {
		return status==Status.STATUS_ACTIVE ||
		       status==Status.STATUS_MARKED_ROLLBACK;
	}

	/**
	 * Return true if a JTA transaction is in progress
	 * and false in *every* other cases (including in a JDBC transaction).
	 */
	public static boolean isTransactionInProgress(SessionFactoryImplementor factory) {
		TransactionManager tm = factory.getTransactionManager();
		try {
			return tm != null && isTransactionInProgress( tm.getTransaction() );
		}
		catch (SystemException se) {
			throw new TransactionException( "could not obtain JTA Transaction", se );
		}
	}

	public static boolean isTransactionInProgress(javax.transaction.Transaction tx) throws SystemException {
		return tx != null && JTAHelper.isInProgress( tx.getStatus() );
	}

	public static boolean isMarkedForRollback(int status) {
		return status == Status.STATUS_MARKED_ROLLBACK;
	}

	public static boolean isMarkedForRollback(javax.transaction.Transaction tx) throws SystemException {
		return isMarkedForRollback( tx.getStatus() );
	}
}