Examples of com.sleepycat.je.log.LogManager

com.sleepycat.je.log.LogManager
The LogManager supports reading and writing to the JE log.

                          LockResult lnLock,
                          ReplicationContext repContext)
        throws DatabaseException {


        EnvironmentImpl env = database.getDbEnvironment();
        LogManager logManager = env.getLogManager();
        INList inMemoryINs = env.getInMemoryINs();


        /* Find and latch the relevant BIN. */
        BIN bin = null;
        try {

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        DIN curRoot = (DIN) bin.fetchTarget(index);


        if (curRoot.needsSplitting()) {


            EnvironmentImpl env = database.getDbEnvironment();
            LogManager logManager = env.getLogManager();
            INList inMemoryINs = env.getInMemoryINs();


            /*
             * Make a new root DIN, giving it an id key from the previous root.
             */

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                                               byte[] beginData,
                                               long diffSize) 
        throws Exception {


        HashSet<Record> records = new HashSet<Record>();
        LogManager logManager = DbInternal.getEnvironmentImpl
            (cursor.getDatabase().getEnvironment()).getLogManager();


        DatabaseEntry key = new DatabaseEntry(beginKey);
        DatabaseEntry data = new DatabaseEntry(beginData);
        boolean scanToEnd = (diffSize == DATABASE_END ? true : false);

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            SingleItemEntry prepareEntry =
                new SingleItemEntry(LogEntryType.LOG_TXN_PREPARE,
                                    new TxnPrepare(id,xid));
            /* Flush required. */
            LogManager logManager = envImpl.getLogManager();
            logManager.logForceFlush(prepareEntry,
                                     true,  // fsyncrequired
                                     ReplicationContext.NO_REPLICATE);
        }
        return XAResource.XA_OK;
    }

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     */
    private LogItem logCommitEntry(SyncPolicy flushSyncBehavior,
                                   Collection<WriteLockInfo> obsoleteLsns)
        throws DatabaseException {


        LogManager logManager = envImpl.getLogManager();
        assert checkForValidReplicatorNodeId();


        SingleItemEntry commitEntry =
            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();
        context.obsoleteWriteLockInfo = obsoleteLsns;


        switch (flushSyncBehavior) {


            case SYNC:
                context.flushRequired = true;
                context.fsyncRequired = true;
                break;


            case WRITE_NO_SYNC:
                context.flushRequired = true;
                context.fsyncRequired = false;
                break;


            default:
                context.flushRequired = false;
                context.fsyncRequired = false;
                break;
        }


        logManager.log(item, context);


        return item;
    }

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         */
        if (undo.ln.isDeleted()) {
            return;
        }


        LogManager logManager = envImpl.getLogManager();


        if (obsoleteDupsAllowed) {
            logManager.countObsoleteNodeDupsAllowed
                (undoLsn,
                 null, // type
                 undo.ln.getLastLoggedSize(),
                 undo.db);
        } else {
            logManager.countObsoleteNode(undoLsn,
                                         null,  // type
                                         undo.ln.getLastLoggedSize(),
                                         undo.db,
                                         true); // countExact
        }

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             * it. Provisional entries guarantee that all three are processed
             * as a unit. Recovery skips provisional entries, so the changed
             * children are only used if the parent makes it out to the log.
             */
            EnvironmentImpl env = databaseImpl.getDbEnvironment();
            LogManager logManager = env.getLogManager();
            INList inMemoryINs = env.getInMemoryINs();


            long newSiblingLsn =
                newSibling.optionalLogProvisional(logManager, parent);

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             * properly supercede all previous IN entries in the tree.
             * Without the INDelete, we may not use the new root, because
             * it has a different node id.
             */
            EnvironmentImpl envImpl = database.getDbEnvironment();
            LogManager logManager = envImpl.getLogManager();


            logManager.log(new INDeleteInfo
                           (rootIN.getNodeId(),
                            rootIN.getIdentifierKey(),
                            database.getId()));

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                                   int index) 
        throws DatabaseException {


        ListIterator iter = nodeLadder.listIterator(nodeLadder.size());
        EnvironmentImpl envImpl = database.getDbEnvironment();
        LogManager logManager = envImpl.getLogManager();


        long newLsn = DbLsn.NULL_LSN;
        SplitInfo info = null;
        while (iter.hasPrevious()) {
            info = (SplitInfo) iter.previous();

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             * subtree from the IN and we want to keep it latched until we
             * know.
             */
            searchDeletableSubTree(duplicateRoot, idKey, nodeLadder);


            LogManager logManager = envImpl.getLogManager();
            if (nodeLadder.size() == 0) {
                /* We're deleting the duplicate root. */
                if (bin.nCursors() == 0) {
                    boolean deleteOk = bin.deleteEntry(index, true);
                    assert deleteOk;


                    /*
                     * Use an INDupDeleteInfo to make it clear that
                     * this duplicate tree has been eradicated. This 
                     * is analagous to deleting a root; we must be sure
                     * that we can overlay another subtree onto this slot
                     * at recovery redo.
                     */
                    logManager.log(new INDupDeleteInfo
                                   (duplicateRoot.getNodeId(),
                                    duplicateRoot.getMainTreeKey(),
                                    duplicateRoot.getDupTreeKey(),
                                    database.getId()));

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

com.sleepycat.je.cleaner.TrackedFileSummary

com.sleepycat.je.cleaner.UtilizationProfile

com.sleepycat.je.cleaner.UtilizationTracker

com.sleepycat.je.dbi.DbConfigManager

com.sleepycat.je.latch.Latch

com.sleepycat.je.log.entry.LogEntry

com.sleepycat.je.recovery.Checkpointer

com.sleepycat.je.rep.impl.node.Replay

com.sleepycat.je.rep.util.ldiff.DiffRecordAnalyzer

com.sleepycat.je.tree.IN

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