Package com.sleepycat.je.utilint

Examples of com.sleepycat.je.utilint.VLSN

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        if (startVLSN.equals(VLSN.NULL_VLSN)) {
            throw EnvironmentFailureException.unexpectedState
                ("FeederSyncupReader start can't be NULL_VLSN");
        }

        VLSN startPoint = startVLSN;
        startLsn = scanner.getStartingLsn(startPoint);
        assert startLsn != NULL_LSN;

        /*
         * Flush the log so that syncup can assume that all log entries that
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        /*
         * Return true if this entry is replicated and its VLSN is currentVLSN.
         */
        if (entryIsReplicated()) {
            VLSN entryVLSN = currentEntryHeader.getVLSN();
            int compareResult = entryVLSN.compareTo(currentVLSN);
            checkForPassingTarget(compareResult);

            /* return true if this is the entry we want. */
            return (compareResult == 0);
        }
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            throw EnvironmentFailureException.unexpectedState
                ("startVLSN can't be null");
        }

        VLSNRange currentRange = vlsnIndex.getRange();
        VLSN startPoint = startVLSN;
        if (currentRange.getLast().compareTo(startVLSN) < 0) {
            /*
             * When feeding, we may be starting at the VLSN following the last
             * VLSN in the node.
             */
 
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        if (currentEntryHeader.isInvisible()) {
            return false;
        }

        if (entryIsReplicated()) {
            VLSN entryVLSN = currentEntryHeader.getVLSN();

            int compareResult = entryVLSN.compareTo(currentVLSN);
            checkForPassingTarget(compareResult);

            /* return true if this is the entry we want. */
            return (compareResult == 0);
        }
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     * @throws DatabaseException
     */
    @Override
    public void registerVLSN(LogItem logItem) {
        LogEntryHeader header = logItem.getHeader();
        VLSN vlsn = header.getVLSN();

        if (LogEntryType.LOG_TXN_COMMIT.getTypeNum() == header.getType() ||
            LogEntryType.LOG_TXN_ABORT.getTypeNum() == header.getType()) {
            /* Track transaction end VLSNs */
            repNode.currentTxnEndVLSN(vlsn);
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            this.vlsn = vlsn;
        }

        public VLSNMessage(ByteBuffer buffer) {
            long vlsnSequence = LogUtils.readLong(buffer);
            vlsn = new VLSN(vlsnSequence);
        }
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        ReplicaFeederSyncup syncup =
            new ReplicaFeederSyncup(repNode, replay, replicaFeederChannel,
                                    protocol, hardRecoveryNeedsElection);
        syncup.execute(repNode.getCBVLSNTracker());

        VLSN matchedTxnVLSN = syncup.getMatchedVLSN();
        long matchedTxnEndTime = syncup.getMatchedVLSNTime();
        consistencyTracker.reinit(matchedTxnVLSN.getSequence(),
                                  matchedTxnEndTime);
        Protocol.Heartbeat heartbeat =
            protocol.read(replicaFeederChannel.getChannel(),
                          Protocol.Heartbeat.class);
        processHeartbeat(replicaFeederChannel, heartbeat);
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     * <p>
     * Reset the vlsnIndex so the VLSN sequence corresponds to what this node
     * thinks is the next VLSN.
     */
    public void initAsMaster() {
        VLSN last = tracker.getRange().getLast();
        if (last.equals(VLSN.NULL_VLSN)) {

            /*
             * If the master does the conversion, the started VLSN should start
             * from 2 so that Replica would throw a LogRefreshRequiredException
             * and do a NetworkRestore to copy the master logs.
             */
            nextVLSNCounter = envImpl.needRepConvert() ?
                new AtomicLong(1) :
                new AtomicLong(0);
        } else {
            nextVLSNCounter = new AtomicLong(last.getSequence());
        }
    }
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    /*
     * Return the VLSN to use for tagging the next replicated log entry. Must
     * be called within the log write latch.
     */
    public VLSN bump() {
        return new VLSN(nextVLSNCounter.incrementAndGet());
    }
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     * latch, but within the LogManager log() call. It must not cause any
     * logging of its own and should not cause I/O.
     */
    public void put(LogItem logItem) {

        final VLSN vlsn  = logItem.getHeader().getVLSN();
        final long lsn = logItem.getNewLsn();
        final byte entryType = logItem.getHeader().getType();

        logItemCache.put(vlsn, logItem);

        synchronized (this) {
            tracker.track(vlsn, lsn, entryType);

            synchronized (mappingSynchronizer) {

                /*
                 * Put() calls may come out of order, so free the wait latch if
                 * the incoming VLSN >= the waiting VLSN. For example, a feeder
                 * may be awaiting VLSN 100, but the call to put(101) comes in
                 * before the call to put(100).
                 */
                if ((vlsnPutLatch != null) &&
                    vlsn.compareTo(putWaitVLSN) >= 0) {
                    vlsnPutLatch.setLogItem(logItem);
                    vlsnPutLatch.countDown();
                    vlsnPutLatch = null;
                    putWaitVLSN = null;
                }
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Related Classes of com.sleepycat.je.utilint.VLSN

  • com.sleepycat.je.cleaner.Cleaner
  • com.sleepycat.je.cleaner.FileProcessor
  • com.sleepycat.je.log.CleanerFileReader
  • com.sleepycat.je.log.entry.LNLogEntry
  • com.sleepycat.je.log.LogEntryHeader
  • com.sleepycat.je.rep.impl.networkRestore.LogFileFeeder
  • com.sleepycat.je.rep.impl.node.Feeder$InputThread
  • com.sleepycat.je.rep.impl.node.Feeder$OutputThread
  • com.sleepycat.je.rep.impl.node.GlobalCBVLSN
  • com.sleepycat.je.rep.impl.node.LocalCBVLSNTracker
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