Examples with Xid javax.transaction.xa.Xid used on opensource projects

Example 51 with Xid

use of javax.transaction.xa.Xid in project graphdb by neo4j-attic.

the class XaLogicalLog method applyStartEntry.

private void applyStartEntry(LogEntry.Start entry) throws IOException {
    int identifier = entry.getIdentifier();
    if (identifier >= nextIdentifier) {
        nextIdentifier = (identifier + 1);
    }
    // re-create the transaction
    Xid xid = entry.getXid();
    xidIdentMap.put(identifier, entry);
    XaTransaction xaTx = xaTf.create(identifier);
    xaTx.setRecovered();
    recoveredTxMap.put(identifier, xaTx);
    xaRm.injectStart(xid, xaTx);
    // force to make sure done record is there if 2PC tx and global log
    // marks tx as committed
    fileChannel.force(false);
}

Example 52 with Xid

use of javax.transaction.xa.Xid in project graphdb by neo4j-attic.

the class XaResourceManager method fail.

synchronized void fail(XAResource xaResource, Xid xid) throws XAException {
    if (xidMap.get(xid) == null) {
        throw new XAException("Unknown xid[" + xid + "]");
    }
    Xid xidEntry = xaResourceMap.remove(xaResource);
    if (xidEntry == null) {
        throw new XAException("Resource[" + xaResource + "] not enlisted");
    }
    XidStatus status = xidMap.get(xid);
    status.getTransactionStatus().markAsRollback();
}

Example 53 with Xid

use of javax.transaction.xa.Xid in project neo4j-mobile-android by neo4j-contrib.

the class XaLogicalLog method applyPrepareEntry.

private void applyPrepareEntry(LogEntry.Prepare prepareEntry) throws IOException {
    // get the tx identifier
    int identifier = prepareEntry.getIdentifier();
    LogEntry.Start entry = xidIdentMap.get(identifier);
    if (entry == null) {
        throw new IOException("Unknown xid for identifier " + identifier);
    }
    Xid xid = entry.getXid();
    if (xaRm.injectPrepare(xid)) {
        // read only we can remove
        xidIdentMap.remove(identifier);
        recoveredTxMap.remove(identifier);
    }
}

Example 54 with Xid

use of javax.transaction.xa.Xid in project neo4j-mobile-android by neo4j-contrib.

the class XaLogicalLog method applyTransactionWithoutTxId.

public synchronized void applyTransactionWithoutTxId(ReadableByteChannel byteChannel, long nextTxId, int masterId) throws IOException {
    if (nextTxId != (xaTf.getLastCommittedTx() + 1)) {
        throw new IllegalStateException("Tried to apply tx " + nextTxId + " but expected transaction " + (xaTf.getCurrentVersion() + 1));
    }
    logRecoveryMessage("applyTxWithoutTxId log version: " + logVersion + ", committing tx=" + nextTxId + ") @ pos " + writeBuffer.getFileChannelPosition());
    long logEntriesFound = 0;
    scanIsComplete = false;
    LogApplier logApplier = new LogApplier(byteChannel);
    int xidIdent = getNextIdentifier();
    long startEntryPosition = writeBuffer.getFileChannelPosition();
    while (logApplier.readAndWriteAndApplyEntry(xidIdent)) {
        logEntriesFound++;
    }
    byteChannel.close();
    LogEntry.Start startEntry = logApplier.startEntry;
    if (startEntry == null) {
        throw new IOException("Unable to find start entry");
    }
    startEntry.setStartPosition(startEntryPosition);
    //        System.out.println( "applyTxWithoutTxId#before 1PC @ pos: " + writeBuffer.getFileChannelPosition() );
    LogEntry.OnePhaseCommit commit = new LogEntry.OnePhaseCommit(xidIdent, nextTxId, masterId);
    LogIoUtils.writeLogEntry(commit, writeBuffer);
    // need to manually force since xaRm.commit will not do it (transaction marked as recovered)
    writeBuffer.force();
    Xid xid = startEntry.getXid();
    try {
        XaTransaction xaTx = xaRm.getXaTransaction(xid);
        xaTx.setCommitTxId(nextTxId);
        xaRm.commit(xid, true);
        LogEntry doneEntry = new LogEntry.Done(startEntry.getIdentifier());
        LogIoUtils.writeLogEntry(doneEntry, writeBuffer);
        xidIdentMap.remove(startEntry.getIdentifier());
        recoveredTxMap.remove(startEntry.getIdentifier());
        cacheTxStartPosition(nextTxId, masterId, startEntry);
    } catch (XAException e) {
        throw new IOException(e);
    }
    //        LogEntry.Done done = new LogEntry.Done( entry.getIdentifier() );
    //        LogIoUtils.writeLogEntry( done, writeBuffer );
    // xaTf.setLastCommittedTx( nextTxId ); // done in doCommit
    scanIsComplete = true;
    //        log.info( "Tx[" + nextTxId + "] " + " applied successfully." );
    logRecoveryMessage("Applied external tx and generated tx id=" + nextTxId);
    checkLogRotation();
//        System.out.println( "applyTxWithoutTxId#end @ pos: " + writeBuffer.getFileChannelPosition() );
}

Example 55 with Xid

use of javax.transaction.xa.Xid in project graphdb by neo4j-attic.

the class ReadOnlyTransactionImpl method enlistResource.

public synchronized boolean enlistResource(XAResource xaRes) throws RollbackException, IllegalStateException {
    if (xaRes == null) {
        throw new IllegalArgumentException("Null xa resource");
    }
    if (status == Status.STATUS_ACTIVE || status == Status.STATUS_PREPARING) {
        try {
            if (resourceList.size() == 0) {
                // 
                byte[] branchId = txManager.getBranchId(xaRes);
                Xid xid = new XidImpl(globalId, branchId);
                resourceList.add(new ResourceElement(xid, xaRes));
                xaRes.start(xid, XAResource.TMNOFLAGS);
                return true;
            }
            Xid sameRmXid = null;
            Iterator<ResourceElement> itr = resourceList.iterator();
            while (itr.hasNext()) {
                ResourceElement re = itr.next();
                if (sameRmXid == null && re.getResource().isSameRM(xaRes)) {
                    sameRmXid = re.getXid();
                }
                if (xaRes == re.getResource()) {
                    if (re.getStatus() == RS_SUSPENDED) {
                        xaRes.start(re.getXid(), XAResource.TMRESUME);
                    } else {
                        // either enlisted or delisted
                        // is TMJOIN correct then?
                        xaRes.start(re.getXid(), XAResource.TMJOIN);
                    }
                    re.setStatus(RS_ENLISTED);
                    return true;
                }
            }
            if (// should we join?
            sameRmXid != null) {
                resourceList.add(new ResourceElement(sameRmXid, xaRes));
                xaRes.start(sameRmXid, XAResource.TMJOIN);
            } else // new branch
            {
                // ResourceElement re = resourceList.getFirst();
                byte[] branchId = txManager.getBranchId(xaRes);
                Xid xid = new XidImpl(globalId, branchId);
                resourceList.add(new ResourceElement(xid, xaRes));
                xaRes.start(xid, XAResource.TMNOFLAGS);
            }
            return true;
        } catch (XAException e) {
            e.printStackTrace();
            log.severe("Unable to enlist resource[" + xaRes + "]");
            status = Status.STATUS_MARKED_ROLLBACK;
            return false;
        }
    } else if (status == Status.STATUS_ROLLING_BACK || status == Status.STATUS_ROLLEDBACK || status == Status.STATUS_MARKED_ROLLBACK) {
        throw new RollbackException("Tx status is: " + txManager.getTxStatusAsString(status));
    }
    throw new IllegalStateException("Tx status is: " + txManager.getTxStatusAsString(status));
}