Examples of INFileReader

     * in the in-memory tree.
     */
    private void readINsAndTrackIds(long rollForwardLsn) 
        throws IOException, DatabaseException {


        INFileReader reader =
            new INFileReader(env,
                             readBufferSize,
                             rollForwardLsn,        // start lsn
                             info.nextAvailableLsn, // end lsn
                             true,   // track node and db ids
           false,  // map db only
                             info.partialCheckpointStartLsn,
                             fileSummaryLsns);
        reader.addTargetType(LogEntryType.LOG_IN);
        reader.addTargetType(LogEntryType.LOG_BIN);
        reader.addTargetType(LogEntryType.LOG_IN_DELETE_INFO);


        try {
            info.numMapINs = 0;
            DbTree dbMapTree = env.getDbMapTree();


            /* 
       * Process every IN, INDeleteInfo, and INDupDeleteInfo in the
       * mapping tree.
       */
            while (reader.readNextEntry()) {
                DatabaseId dbId = reader.getDatabaseId();
                if (dbId.equals(DbTree.ID_DB_ID)) {
                    DatabaseImpl db = dbMapTree.getDb(dbId);
                    replayOneIN(reader, db, false);
                    info.numMapINs++;
                }
            }


            /* 
             * Update node id and database sequences. Use either the maximum of
             * the ids seen by the reader vs the ids stored in the checkpoint.
             */
            info.useMaxNodeId = reader.getMaxNodeId();
            info.useMaxDbId = reader.getMaxDbId();
            info.useMaxTxnId = reader.getMaxTxnId();
            if (info.checkpointEnd != null) {
                if (info.useMaxNodeId < info.checkpointEnd.getLastNodeId()) {
                    info.useMaxNodeId = info.checkpointEnd.getLastNodeId();
                }
                if (info.useMaxDbId < info.checkpointEnd.getLastDbId()) {
                    info.useMaxDbId = info.checkpointEnd.getLastDbId();
                }
                if (info.useMaxTxnId < info.checkpointEnd.getLastTxnId()) {
                    info.useMaxTxnId = info.checkpointEnd.getLastTxnId();
                }
            }


            Node.setLastNodeId(info.useMaxNodeId);
            env.getDbMapTree().setLastDbId(info.useMaxDbId);
            env.getTxnManager().setLastTxnId(info.useMaxTxnId);


            info.nRepeatIteratorReads += reader.getNRepeatIteratorReads();
        } catch (Exception e) {
            traceAndThrowException(reader.getLastLsn(), "readMapIns", e);
        }
    }

                        LogEntryType inType3,
                        boolean requireExactMatch)
        throws IOException, DatabaseException {


        // don't need to track NodeIds
        INFileReader reader =
      new INFileReader(env,
                             readBufferSize,
                             rollForwardLsn,                 // startlsn
                             info.nextAvailableLsn,          // finish
                             false,
           mapDbOnly,
                             info.partialCheckpointStartLsn, 
                             fileSummaryLsns);
        if (inType1 != null) {
            reader.addTargetType(inType1);
        }
        if (inType2 != null) {
            reader.addTargetType(inType2);
        }
        if (inType3 != null) {
            reader.addTargetType(inType3);
        }


        int numINsSeen = 0;
        try {


            /*
             * Read all non-provisional INs, and process if they don't belong
             * to the mapping tree.
             */
            DbTree dbMapTree = env.getDbMapTree();
            while (reader.readNextEntry()) {
                DatabaseId dbId = reader.getDatabaseId();
                boolean isMapDb = dbId.equals(DbTree.ID_DB_ID);
                boolean isTarget = false;


                if (mapDbOnly && isMapDb) {
                    isTarget = true;
                } else if (!mapDbOnly && !isMapDb) {
                    isTarget = true;
                }
                if (isTarget) {
                    DatabaseImpl db = dbMapTree.getDb(dbId);
                    if (db == null) {
                        // This db has been deleted, ignore the entry.
                    } else {
                        replayOneIN(reader, db, requireExactMatch);
                        numINsSeen++;


                        /*
                         * Add any db that we encounter IN's for because
                         * they'll be part of the in-memory tree and therefore
                         * should be included in the INList rebuild.
                         */
                        inListRebuildDbIds.add(dbId);
                    }
                }
            }


            info.nRepeatIteratorReads += reader.getNRepeatIteratorReads();
            return numINsSeen;
        } catch (Exception e) {
            traceAndThrowException(reader.getLastLsn(), "readNonMapIns", e);
            return 0;
        }
    }

Examples of INFileReader

Examples of com.sleepycat.je.log.INFileReader

Examples of com.sleepycat.je.log.INFileReader