/** {@inheritDoc} */
public void prepare(byte[] gid) {
try {
xid = new SimpleXid(gid);
env.setXATransaction(xid, txn);
env.prepare(xid);
} catch (DatabaseException e) {
throw JeEnvironment.convertException(e, false);
} catch (XAException e) {
throw JeEnvironment.convertException(e, false);
}
}
/** {@inheritDoc} */
public void abort() {
try {
if (xid != null) {
env.rollback(xid);
} else {
txn.abort();
}
} catch (DatabaseException e) {
throw JeEnvironment.convertException(e, false);
} catch (XAException e) {
throw JeEnvironment.convertException(e, false);
}
}
/** {@inheritDoc} */
public void commit() {
try {
if (xid != null) {
env.commit(xid, true /* ignored */);
} else {
txn.commit();
}
} catch (DatabaseException e) {
throw JeEnvironment.convertException(e, false);
} catch (XAException e) {
throw JeEnvironment.convertException(e, false);
}
}
/**
* Creates an instance of this class.
*
* @param env the Berkeley DB environment
* @param timeout the number of milliseconds the transaction should be allowed to run
* @throws IllegalArgumentException if timeout is less than {@code 1}
* @throws DbDatabaseException if an unexpected database problem occurs
*/
JeTransaction(XAEnvironment env, long timeout) {
this.env = env;
if (timeout <= 0) {
throw new IllegalArgumentException("Timeout must be greater than 0");
}
try {
txn = env.beginTransaction(null, null);
/* Avoid overflow -- BDB treats 0 as unlimited */
long timeoutMicros = (timeout < (Long.MAX_VALUE / 1000)) ? timeout * 1000 : 0;
txn.setTxnTimeout(timeoutMicros);
} catch (DatabaseException e) {
throw JeEnvironment.convertException(e, false);
}
}