Examples of com.sleepycat.je.dbi.DbConfigManager

com.sleepycat.je.dbi.DbConfigManager
DbConfigManager holds the configuration parameters for an environment. In general, all configuration parameters are represented by a ConfigParam defined in com.sleepycat.je.config.EnvironmentParams and can be represented by a property described by the EnvironmentConfig String constants. Environment parameters have some interesting twists because there are some attributes that are scoped by handle, such as the commit durability (txnSync, txnNoSync, etc) parameters. DbConfigManager is instantiated first by the EnvironmentImpl, and is loaded with the base configuration parameters. If replication is enabled, additional properties are added when the ReplicatedEnvironment is instantiated. In order to keep replication code out of the base code, replication parameters are loaded by way of the addConfigurations method.

    private void createReplicaFeederChannel()
        throws IOException, ConnectRetryException {


        SocketChannel channel = SocketChannel.open();


        final DbConfigManager configManager = repNode.getConfigManager();
        final int timeoutMs = repNode.getConfigManager().
            getDuration(RepParams.PRE_HEARTBEAT_TIMEOUT);


        replicaFeederChannel =
            new NamedChannelWithTimeout(repNode, channel, timeoutMs);


        Socket socket = channel.socket();
        /*
         * Note that soTimeout is not set since it's a blocking channel and
         * setSoTimeout has no effect on a blocking nio channel.
         */
        channel.configureBlocking(true);


        /*
         * Push responses out rapidly, they are small (heart beat or commit
         * response) and need timely delivery to the master.
         */
        socket.setTcpNoDelay(true);


        try {
            final int openTimeout = configManager.
                getDuration(RepParams.REPSTREAM_OPEN_TIMEOUT);
            socket.connect(repNode.getMasterStatus().getNodeMaster(),
                           openTimeout);
            ServiceDispatcher.doServiceHandshake
                (channel, FeederManager.FEEDER_SERVICE);

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        super(wakeupInterval, name, envImpl);


        memBudgetTotals = envImpl.getMemoryBudget().getTotals();


        DbConfigManager configManager = envImpl.getConfigManager();
        nodesPerScan = configManager.getInt
            (EnvironmentParams.EVICTOR_NODES_PER_SCAN);
        evictBytesSetting = configManager.getLong
            (EnvironmentParams.EVICTOR_EVICT_BYTES);
        evictByLruOnly = configManager.getBoolean
            (EnvironmentParams.EVICTOR_LRU_ONLY);
        forcedYield = configManager.getBoolean
            (EnvironmentParams.EVICTOR_FORCED_YIELD);
        deadlockRetries = configManager.getInt
            (EnvironmentParams.EVICTOR_RETRY);


        evictProfile = new EvictProfile();


        active = false;

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     */
    public RecoveryManager(EnvironmentImpl env)
        throws DatabaseException {


        this.envImpl = env;
        DbConfigManager cm = env.getConfigManager();
        readBufferSize =
            cm.getInt(EnvironmentParams.LOG_ITERATOR_READ_SIZE);
        committedTxnIds = new HashMap<Long, Long>();
        abortedTxnIds = new HashSet<Long>();
        preparedTxns = new HashMap<Long, PreparedTxn>();
        resurrectedLsns = new HashSet<Long>();
        inListBuildDbIds = new HashSet<DatabaseId>();

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    public RecoveryInfo recover(boolean readOnly)
        throws DatabaseException {


        try {
            FileManager fileManager = envImpl.getFileManager();
            DbConfigManager configManager = envImpl.getConfigManager();
            boolean forceCheckpoint =
                configManager.getBoolean
                (EnvironmentParams.ENV_RECOVERY_FORCE_CHECKPOINT);
            if (fileManager.filesExist()) {


                /*
                 * Establish the location of the end of the log.  Log this

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    public RepGroupDB(RepImpl repImpl)
        throws DatabaseException, IOException {


        this.repImpl = repImpl;


        DbConfigManager configManager = repImpl.getConfigManager();
        emptyGroup = new RepGroupImpl(configManager.get(GROUP_NAME));
        logger = LoggerUtils.getLogger(getClass());
    }

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     * @throws DatabaseException
     */
    public void addFirstNode()
        throws DatabaseException {


        DbConfigManager configManager = repImpl.getConfigManager();
        String groupName = configManager.get(GROUP_NAME);
        String nodeName = configManager.get(NODE_NAME);


        DatabaseImpl groupDbImpl = repImpl.createGroupDb();


        /* setup the group information as data. */
        GroupBinding groupBinding = new GroupBinding();

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        throws DatabaseException {


        /* Set up log buffers. */
        this.envImpl = envImpl;
        this.fileManager = envImpl.getFileManager();
        DbConfigManager configManager = envImpl.getConfigManager();
        this.readOnly = readOnly;
        logBufferPool = new LogBufferPool(fileManager, envImpl);


        /* See if we're configured to do a checksum when reading in objects. */
        doChecksumOnRead =
            configManager.getBoolean(EnvironmentParams.LOG_CHECKSUM_READ);


        logWriteLatch = new Latch(DEBUG_NAME);
        readBufferSize =
            configManager.getInt(EnvironmentParams.LOG_FAULT_READ_SIZE);


        /* Do the stats definitions. */
        stats = new StatGroup(GROUP_NAME, GROUP_DESC);
        nRepeatFaultReads = new LongStat(stats, LOGMGR_REPEAT_FAULT_READS);
        nTempBufferWrites = new LongStat(stats, LOGMGR_TEMP_BUFFER_WRITES);

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                               DurationConfigParam openTimeoutConfig,
                               DurationConfigParam readTimeoutConfig) {
        if (repImpl == null) {
            return;
        }
        final DbConfigManager configManager = repImpl.getConfigManager();
        openTimeoutMs = configManager.getDuration(openTimeoutConfig);
        readTimeoutMs = configManager.getDuration(readTimeoutConfig);
    }

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                    ("Duplicate op: " + op.opId);
            }
        }
        predefinedMessageCount = ops.size();
        if (envImpl != null) {
            DbConfigManager configManager = envImpl.getConfigManager();
            long mMSz =
                configManager.getLong(RepParams.MAX_MESSAGE_SIZE);
            maxMessageSize = (mMSz == 0) ?
                (envImpl.getMemoryBudget().getMaxMemory() >> 1) :
                mMSz;
        } else {
            /* Some unit tests pass in null EnvImpl. */

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            new LongStat(stats, FILEMGR_WRITEQUEUE_OVERFLOW_FAILURES);
        nLogFSyncs = new LongStat(stats, FILEMGR_LOG_FSYNCS);


        try {
            /* Read configurations. */
            DbConfigManager configManager = envImpl.getConfigManager();
            maxFileSize =
                configManager.getLong(EnvironmentParams.LOG_FILE_MAX);


            useWriteQueue = configManager.getBoolean
                (EnvironmentParams.LOG_USE_WRITE_QUEUE);
            writeQueueSize = configManager.getInt
                (EnvironmentParams.LOG_WRITE_QUEUE_SIZE);
            useODSYNC = configManager.getBoolean
                (EnvironmentParams.LOG_USE_ODSYNC);
            VERIFY_CHECKSUMS = configManager.getBoolean
                (EnvironmentParams.LOG_VERIFY_CHECKSUMS);


            if (!envImpl.isMemOnly()) {
                if (!dbEnvHome.exists()) {
                    throw new IllegalArgumentException

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