Package org.apache.zookeeper.server.DataTree

Examples of org.apache.zookeeper.server.DataTree.ProcessTxnResult

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        long traceMask = ZooTrace.CLIENT_REQUEST_TRACE_MASK;
        if (request.type == OpCode.ping) {
            traceMask = ZooTrace.SERVER_PING_TRACE_MASK;
        }
        ZooTrace.logRequest(LOG, traceMask, 'E', request, "");
        ProcessTxnResult rc = null;
        synchronized (zks.outstandingChanges) {
            while (!zks.outstandingChanges.isEmpty()
                    && zks.outstandingChanges.get(0).zxid <= request.zxid) {
                if (zks.outstandingChanges.get(0).zxid < request.zxid) {
                    LOG.warn("Zxid outstanding "
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            traceMask = ZooTrace.SERVER_PING_TRACE_MASK;
        }
        if (LOG.isTraceEnabled()) {
            ZooTrace.logRequest(LOG, traceMask, 'E', request, "");
        }
        ProcessTxnResult rc = null;
        synchronized (zks.outstandingChanges) {
            while (!zks.outstandingChanges.isEmpty()
                    && zks.outstandingChanges.get(0).zxid <= request.zxid) {
                ChangeRecord cr = zks.outstandingChanges.remove(0);
                if (cr.zxid < request.zxid) {
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     * @param txn the transaction to be applied
     */
    public void processTransaction(TxnHeader hdr,DataTree dt,
            Map<Long, Integer> sessions, Record txn)
        throws KeeperException.NoNodeException {
        ProcessTxnResult rc;
        switch (hdr.getType()) {
        case OpCode.createSession:
            sessions.put(hdr.getClientId(),
                    ((CreateSessionTxn) txn).getTimeOut());
            if (LOG.isTraceEnabled()) {
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        return processTxn(request, request.getHdr(), request.getTxn());
    }

    private ProcessTxnResult processTxn(Request request, TxnHeader hdr,
                                        Record txn) {
        ProcessTxnResult rc;
        int opCode = request != null ? request.type : hdr.getType();
        long sessionId = request != null ? request.sessionId : hdr.getClientId();
        if (hdr != null) {
            rc = getZKDatabase().processTxn(hdr, txn);
        } else {
            rc = new ProcessTxnResult();
        }
        if (opCode == OpCode.createSession) {
            if (hdr != null && txn instanceof CreateSessionTxn) {
                CreateSessionTxn cst = (CreateSessionTxn) txn;
                sessionTracker.addGlobalSession(sessionId, cst.getTimeOut());
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     * @param txn the transaction to be applied
     */
    public void processTransaction(TxnHeader hdr,DataTree dt,
            Map<Long, Integer> sessions, Record txn)
        throws KeeperException.NoNodeException {
        ProcessTxnResult rc;
        switch (hdr.getType()) {
        case OpCode.createSession:
            sessions.put(hdr.getClientId(),
                    ((CreateSessionTxn) txn).getTimeOut());
            if (LOG.isTraceEnabled()) {
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            traceMask = ZooTrace.SERVER_PING_TRACE_MASK;
        }
        if (LOG.isTraceEnabled()) {
            ZooTrace.logRequest(LOG, traceMask, 'E', request, "");
        }
        ProcessTxnResult rc = null;
        synchronized (zks.outstandingChanges) {
            // Need to process local session requests
            rc = zks.processTxn(request);

            // request.hdr is set for write requests, which are the only ones
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Related Classes of org.apache.zookeeper.server.DataTree.ProcessTxnResult

  • org.apache.zookeeper.server.FinalRequestProcessor
  • org.apache.zookeeper.server.persistence.FileTxnSnapLog
  • org.apache.zookeeper.server.ZooKeeperServer
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