Examples of com.sleepycat.je.log.LogItem

com.sleepycat.je.log.LogItem
Item parameters that apply to a single logged item. Passed to LogManager log methods and to beforeLog and afterLog methods.

                /*
                 * If nothing was written to log for this txn, no need to log a
                 * commit.
                 */
                if (updateLoggedForTxn()) {
                    final LogItem commitItem =
                        logCommitEntry(durability.getLocalSync(),
                                       obsoleteLsns);
                    commitLsn = commitItem.getNewLsn();


                    try {
                        postLogCommitHook(commitItem);
                    } catch (DatabaseException hookException) {
                        if (!propagatePostCommitException(hookException)) {

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            new SingleItemEntry(LogEntryType.LOG_TXN_COMMIT,
                                new TxnCommit(id,
                                              lastLoggedLsn,
                                              getReplicatorNodeId()));


        LogItem item = new LogItem();
        item.entry = commitEntry;
        item.provisional = Provisional.NO;
        item.repContext = repContext;


        LogContext context = new LogContext();

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    void put(VLSN vlsn, LogItem logItem) {
        getArray()[(int)vlsn.getSequence() & sizeMask].set(logItem);
    }


    LogItem get(VLSN vlsn) {
        final LogItem item =
            getArray()[(int)vlsn.getSequence() & sizeMask].get();
        if ((item != null) && item.getHeader().getVLSN().equals(vlsn)) {
            nHits.increment();
            return item;
        }


        nMisses.increment();

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    public OutputWireRecord scanForwards(VLSN vlsn, int waitTime)
        throws InterruptedException {


        assert initDone;


        LogItem logItem = null;


        try {
            logItem = vlsnIndex.waitForVLSN(vlsn, waitTime);
        } catch (WaitTimeOutException e) {
            /* This vlsn not yet available */
            return null;
        }


        currentVLSN = vlsn;


        if ((logItem != null) && (!bypassCache)) {


            /* We've found the requested log item in the cache. */
            assert logItem.getHeader().getVLSN().equals(vlsn);
            prevCacheHits++;
            return new OutputWireRecord(envImpl, logItem);
        }


        /*

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            throw EnvironmentFailureException.
            unexpectedState(envImpl, "Waited for vlsn:" + vlsn + 
                            " should be greater than last in range:" + 
                            tracker.getRange().getLast());
        }
        LogItem logItem = waitLatch.getLogItem();
        /* If we waited successfully, logItem can't be null. */
        return logItem.getHeader().getVLSN().equals(vlsn) ?
               logItem :
               /*
                * An out-of-order vlsn put, that is, a later VLSN arrived at
                * the index before this one. We could look for it in the log
                * item cache, but due to the very nature of the out of order

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            logAbortLsn = DbLsn.NULL_LSN;
            logAbortKnownDeleted = false;
            logTxn = null;
        }


        LogItem item = new LogItem();
        item.entry = createLogEntry(entryType,
                                    dbImpl,
                                    key,
                                    logAbortLsn,
                                    logAbortKnownDeleted,

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                /*
                 * If nothing was written to log for this txn, no need to log a
                 * commit.
                 */
                if (updateLoggedForTxn()) {
                    final LogItem commitItem =
                        logCommitEntry(durability.getLocalSync(),
                                       obsoleteLsns);
                    commitLsn = commitItem.getNewLsn();


                    try {
                        postLogCommitHook(commitItem);
                    } catch (DatabaseException hookException) {
                        if (!propagatePostCommitException(hookException)) {

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            new SingleItemEntry(LogEntryType.LOG_TXN_COMMIT,
                                new TxnCommit(id,
                                              lastLoggedLsn,
                                              getReplicatorNodeId()));


        LogItem item = new LogItem();
        item.entry = commitEntry;
        item.provisional = Provisional.NO;
        item.repContext = repContext;


        LogContext context = new LogContext();

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         */
        if (dbImpl.isTemporary()) {
            isProvisional = true;
        }


        LogItem item = new LogItem();
        item.entry = createLogEntry(entryType,
                                    dbImpl,
                                    key,
                                    delDupKey,
                                    logAbortLsn,

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            /* Timed out waiting for an incoming VLSN, or was terminated. */
            throw new WaitTimeOutException();
        }


        assert tracker.getRange().getLast().compareTo(vlsn) >= 0;
        LogItem logItem = waitLatch.getLogItem();
        /* If we waited successfully, logItem can't be null. */
        return logItem.getHeader().getVLSN().equals(vlsn) ?
               logItem :
               /*
                * An out-of-order vlsn put, that is, a later VLSN arrived at
                * the index before this one. We could look for it in the log
                * item cache, but due to the very nature of the out of order

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Related Classes of com.sleepycat.je.log.LogItem

com.sleepycat.je.rep.stream.FeederReader

com.sleepycat.je.rep.vlsn.LogItemCache

com.sleepycat.je.rep.vlsn.VLSNIndex

com.sleepycat.je.tree.LN

com.sleepycat.je.txn.Txn

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