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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or .
*/
package org.hibernate.engine.transaction.internal.jta;
import javax.transaction.Status;
import javax.transaction.SystemException;
import javax.transaction.TransactionManager;
import javax.transaction.UserTransaction;
import org.hibernate.TransactionException;
/**
* Utility for dealing with JTA statuses.
*
* @author Steve Ebersole
*/
public final class JtaStatusHelper {
private JtaStatusHelper() {
}
/**
* Extract the status code from a {@link UserTransaction}
*
* @param userTransaction The {@link UserTransaction} from which to extract the status.
*
* @return The transaction status
*
* @throws TransactionException If the {@link UserTransaction} reports the status as unknown
*/
public static int getStatus(UserTransaction userTransaction) {
try {
final int status = userTransaction.getStatus();
if ( status == Status.STATUS_UNKNOWN ) {
throw new TransactionException( "UserTransaction reported transaction status as unknown" );
}
return status;
}
catch ( SystemException se ) {
throw new TransactionException( "Could not determine transaction status", se );
}
}
/**
* Extract the status code from the current {@link javax.transaction.Transaction} associated with the
* given {@link TransactionManager}
*
* @param transactionManager The {@link TransactionManager} from which to extract the status.
*
* @return The transaction status
*
* @throws TransactionException If the {@link TransactionManager} reports the status as unknown
*/
public static int getStatus(TransactionManager transactionManager) {
try {
final int status = transactionManager.getStatus();
if ( status == Status.STATUS_UNKNOWN ) {
throw new TransactionException( "TransactionManager reported transaction status as unknwon" );
}
return status;
}
catch ( SystemException se ) {
throw new TransactionException( "Could not determine transaction status", se );
}
}
/**
* Does the given status code indicate an active transaction?
*
* @param status The transaction status code to check
*
* @return True if the code indicates active; false otherwise.
*/
public static boolean isActive(int status) {
return status == Status.STATUS_ACTIVE;
}
/**
* Does the status code obtained from the given {@link UserTransaction} indicate an active transaction?
*
* @param userTransaction The {@link UserTransaction} whose status is to be checked
*
* @return True if the transaction is active; false otherwise.
*/
public static boolean isActive(UserTransaction userTransaction) {
final int status = getStatus( userTransaction );
return isActive( status );
}
/**
* Does the status code obtained from the given {@link TransactionManager} indicate an active transaction?
*
* @param transactionManager The {@link TransactionManager} whose status is to be checked
*
* @return True if the transaction is active; false otherwise.
*/
public static boolean isActive(TransactionManager transactionManager) {
return isActive( getStatus( transactionManager ) );
}
/**
* Does the given status code indicate a rolled back transaction?
*
* @param status The transaction status code to check
*
* @return True if the code indicates a roll back; false otherwise.
*/
public static boolean isRollback(int status) {
return status == Status.STATUS_MARKED_ROLLBACK ||
status == Status.STATUS_ROLLING_BACK ||
status == Status.STATUS_ROLLEDBACK;
}
/**
* Does the status code obtained from the given {@link UserTransaction} indicate a roll back?
*
* @param userTransaction The {@link UserTransaction} whose status is to be checked
*
* @return True if the transaction indicates roll back; false otherwise.
*/
public static boolean isRollback(UserTransaction userTransaction) {
return isRollback( getStatus( userTransaction ) );
}
/**
* Does the status code obtained from the given {@link TransactionManager} indicate a roll back?
*
* @param transactionManager The {@link TransactionManager} whose status is to be checked
*
* @return True if the transaction indicates roll back; false otherwise.
*/
public static boolean isRollback(TransactionManager transactionManager) {
return isRollback( getStatus( transactionManager ) );
}
/**
* Does the given status code indicate a committed transaction?
*
* @param status The transaction status code to check
*
* @return True if the code indicates a roll back; false otherwise.
*/
public static boolean isCommitted(int status) {
return status == Status.STATUS_COMMITTED;
}
/**
* Does the status code obtained from the given {@link UserTransaction} indicate a commit?
*
* @param userTransaction The {@link UserTransaction} whose status is to be checked
*
* @return True if the transaction indicates commit; false otherwise.
*/
public static boolean isCommitted(UserTransaction userTransaction) {
return isCommitted( getStatus( userTransaction ) );
}
/**
* Does the status code obtained from the given {@link TransactionManager} indicate a commit?
*
* @param transactionManager The {@link TransactionManager} whose status is to be checked
*
* @return True if the transaction indicates commit; false otherwise.
*/
public static boolean isCommitted(TransactionManager transactionManager) {
return isCommitted( getStatus( transactionManager ) );
}
/**
* Does the given status code indicate the transaction has been marked for rollback?
*
* @param status The transaction status code to check
*
* @return True if the code indicates a roll back; false otherwise.
*/
@SuppressWarnings( {"UnusedDeclaration"})
public static boolean isMarkedForRollback(int status) {
return status == Status.STATUS_MARKED_ROLLBACK;
}
}