/*
* @throws javax.transaction.HeuristicRollbackException
* if work was rolled back.
* since these specific exceptions require a JTA API.
* @throws javax.transaction.HeuristicMixedException
* if some work was committed and some work was rolled back
*/
public void commitThis(boolean onePhase) throws XAException {
if (onePhase && state == XA_STATE_PREPARED) {
throw new XAException("Transaction is in a 2-phase state when 1-phase is requested");
}
if ((!onePhase) && state != XA_STATE_PREPARED) {
throw new XAException("Attempt to do a 2-phase commit when " + "transaction is not prepared");
}
// if (!onePhase) {
// throw new XAException(
// "Sorry. HSQLDB has not implemented 2-phase commits yet");
// }
try {
/**
* @todo: Determine if work was committed, rolled back, or both, and return appropriate
* Heuristic*Exception. connection.commit(); Commits the real, physical conn.
*/
connection.commit();
} catch (SQLException se) {
throw new XAException(se.getMessage());
}
dispose();
}
public void start(Xid xid, int flags) throws XAException {
// Comment out following debug statement before public release:
System.err.println("STARTING NEW Xid: " + xid);
if (state != XA_STATE_INITIAL && state != XA_STATE_DISPOSED) {
throw new XAException("Invalid XAResource state");
}
if (xaDataSource == null) {
throw new XAException("JDBCXAResource has not been associated with a XADataSource");
}
if (xid == null) {
// This block asserts that all JDBCXAResources with state
// >= XA_STATE_STARTED have a non-null xid.
throw new XAException("Null Xid");
}
try {
originalAutoCommitMode = connection.getAutoCommit(); // real/phys.
connection.setAutoCommit(false); // real/phys.
} catch (SQLException se) {
throw new XAException(se.getMessage());
}
this.xid = xid;
state = XA_STATE_STARTED;
xaDataSource.addResource(this.xid, this);
// N.b. The DataSource does not have this XAResource in its list
// until right here. We can't tell DataSource before our start()
// method, because we don't know our Xid before now.
}
public void end(Xid xid, int flags) throws XAException {
validateXid(xid);
if (state != XA_STATE_STARTED) {
throw new XAException("Invalid XAResource state");
}
try {
connection.setAutoCommit(originalAutoCommitMode); // real/phys.
} catch (SQLException se) {
throw new XAException(se.getMessage());
}
state = XA_STATE_ENDED;
}
/* @throws javax.transaction.HeuristicCommitException
* if work was committed.
* @throws javax.transaction.HeuristicMixedException
* if some work was committed and some work was rolled back
*/
public void rollbackThis() throws XAException {
if (state != XA_STATE_PREPARED) {
throw new XAException("Invalid XAResource state");
}
try {
/**
* @todo: Determine if work was committed, rolled back, or both, and return appropriate
* Heuristic Exception.
*/
connection.rollback(); // real/phys.
} catch (SQLException se) {
throw new XAException(se.getMessage());
}
dispose();
}
