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

Example 1 with Xid

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

the class XaResourceManager method checkXids.

synchronized void checkXids() throws IOException {
    msgLog.logMessage("XaResourceManager[" + name + "] sorting " + xidMap.size() + " xids");
    Iterator<Xid> keyIterator = xidMap.keySet().iterator();
    LinkedList<Xid> xids = new LinkedList<Xid>();
    while (keyIterator.hasNext()) {
        xids.add(keyIterator.next());
    }
    // comparator only used here
    Collections.sort(xids, new Comparator<Xid>() {

        public int compare(Xid o1, Xid o2) {
            Integer id1 = txOrderMap.get(o1);
            Integer id2 = txOrderMap.get(o2);
            if (id1 == null && id2 == null) {
                return 0;
            }
            if (id1 == null) {
                return Integer.MAX_VALUE;
            }
            if (id2 == null) {
                return Integer.MIN_VALUE;
            }
            return id1 - id2;
        }
    });
    // = null;
    txOrderMap.clear();
    Logger logger = Logger.getLogger(tf.getClass().getName());
    while (!xids.isEmpty()) {
        Xid xid = xids.removeFirst();
        XidStatus status = xidMap.get(xid);
        TransactionStatus txStatus = status.getTransactionStatus();
        XaTransaction xaTransaction = txStatus.getTransaction();
        int identifier = xaTransaction.getIdentifier();
        if (xaTransaction.isRecovered()) {
            if (txStatus.commitStarted()) {
                logger.fine("Marking 1PC [" + name + "] tx " + identifier + " as done");
                log.doneInternal(identifier);
                xidMap.remove(xid);
                recoveredTxCount--;
            } else if (!txStatus.prepared()) {
                logger.fine("Rolling back non prepared tx [" + name + "]" + "txIdent[" + identifier + "]");
                log.doneInternal(xaTransaction.getIdentifier());
                xidMap.remove(xid);
                recoveredTxCount--;
            } else {
                logger.fine("2PC tx [" + name + "] " + txStatus + " txIdent[" + identifier + "]");
            }
        }
    }
    checkIfRecoveryComplete();
}

Example 2 with Xid

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

the class LogIoUtils method readTxStartEntry.

private static LogEntry.Start readTxStartEntry(ByteBuffer buf, ReadableByteChannel channel) throws IOException, ReadPastEndException {
    byte globalIdLength = readNextByte(buf, channel);
    byte branchIdLength = readNextByte(buf, channel);
    byte[] globalId = new byte[globalIdLength];
    readIntoBufferAndFlip(ByteBuffer.wrap(globalId), channel, globalIdLength);
    byte[] branchId = new byte[branchIdLength];
    readIntoBufferAndFlip(ByteBuffer.wrap(branchId), channel, branchIdLength);
    int identifier = readNextInt(buf, channel);
    int formatId = readNextInt(buf, channel);
    // re-create the transaction
    Xid xid = new XidImpl(globalId, branchId, formatId);
    return new LogEntry.Start(xid, identifier, -1);
}

Example 3 with Xid

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

the class XaLogicalLog method applyDoneEntry.

private void applyDoneEntry(LogEntry.Done done) throws IOException {
    // get the tx identifier
    int identifier = done.getIdentifier();
    LogEntry.Start entry = xidIdentMap.get(identifier);
    if (entry == null) {
        throw new IOException("Unknown xid for identifier " + identifier);
    }
    Xid xid = entry.getXid();
    xaRm.pruneXid(xid);
    xidIdentMap.remove(identifier);
    recoveredTxMap.remove(identifier);
}

Example 4 with Xid

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

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 5 with Xid

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

the class XaLogicalLog method applyTwoPhaseCommitEntry.

private void applyTwoPhaseCommitEntry(LogEntry.TwoPhaseCommit commit) throws IOException {
    int identifier = commit.getIdentifier();
    long txId = commit.getTxId();
    LogEntry.Start startEntry = xidIdentMap.get(identifier);
    if (startEntry == null) {
        throw new IOException("Unknown xid for identifier " + identifier);
    }
    Xid xid = startEntry.getXid();
    if (xid == null) {
        throw new IOException("Xid null for identifier " + identifier);
    }
    try {
        XaTransaction xaTx = xaRm.getXaTransaction(xid);
        xaTx.setCommitTxId(txId);
        xaRm.injectTwoPhaseCommit(xid);
        msgLog.logMessage("Injected two phase commit, txId=" + commit.getTxId(), true);
    } catch (XAException e) {
        e.printStackTrace();
        throw new IOException(e.getMessage());
    }
}