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.

     * @param lastOldVLSN the VLSN used to associate the new barrier wrt this
     * node.
     */
    public void reinitFirstNode(VLSN lastOldVLSN) {


        DbConfigManager configManager = repImpl.getConfigManager();
        String groupName = configManager.get(GROUP_NAME);
        String nodeName = configManager.get(NODE_NAME);
        String hostPortPair = configManager.get(RepParams.NODE_HOST_PORT);
        String hostname = HostPortPair.getHostname(hostPortPair);
        int port = HostPortPair.getPort(hostPortPair);


        final DatabaseImpl dbImpl = repImpl.getGroupDb();

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        endFileNumAtLastAdjustment = -1;
        minProtectedFile = Long.MAX_VALUE;
        filesToMigrate = new FilesToMigrate(env);


        /* Configuration properties.  All are immutable. */
        final DbConfigManager configManager = env.getConfigManager();
        configRecentLNSizes = configManager.getInt
            (EnvironmentParams.CLEANER_CALC_RECENT_LN_SIZES);
        configMinUncountedLNs = configManager.getInt
            (EnvironmentParams.CLEANER_CALC_MIN_UNCOUNTED_LNS);
        configInitialAdjustments = configManager.getInt
            (EnvironmentParams.CLEANER_CALC_INITIAL_ADJUSTMENTS);
        configMinProbeSkipFiles = configManager.getInt
            (EnvironmentParams.CLEANER_CALC_MIN_PROBE_SKIP_FILES);
        configMaxProbeSkipFiles = configManager.getInt
            (EnvironmentParams.CLEANER_CALC_MAX_PROBE_SKIP_FILES);
    }

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             * The thread will be renamed later on during the life of this
             * thread, when we know who the replica is.
             */
            super(repImpl, new IOThreadsHandler(), "Feeder Output");
            this.threadRepImpl = repImpl;
            final DbConfigManager configManager = repNode.getConfigManager();
            commitToNetwork  = configManager.
                getBoolean(RepParams.COMMIT_TO_NETWORK);
            transferLoggingThresholdMs = configManager.
                getDuration(RepParams.TRANSFER_LOGGING_THRESHOLD);
            if (feederManager != null) {
                nMaxReplicaLag = feederManager.getnMaxReplicaLag();
            } else {
                /* Create a placeholder stat for testing. */

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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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     */
    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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        throws DatabaseException {


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


                /* 
                 * Check whether log files are correctly located in the sub

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     */
    private void verifyMembership()
        throws IOException {


        final RepImpl repImpl = repNode.getRepImpl();
        DbConfigManager configManager = repImpl.getConfigManager();
        String groupName = configManager.get(GROUP_NAME);
        NodeType nodeType =
            NODE_TYPE.getEnumerator(configManager.get(NODE_TYPE));


        Message message = protocol.new
            NodeGroupInfo(groupName,
                          repNode.getGroup().getUUID(),
                          replicaNameIdPair,

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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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    private final DbCache dbCache;


    Replica(RepNode repNode, Replay replay) {
        this.repNode = repNode;
        this.repImpl = repNode.getRepImpl();
        DbConfigManager configManager = repNode.getConfigManager();
        dbCache = new DbCache(repImpl.getDbTree(),
                              configManager.getDuration
                                  (RepParams.REPLAY_DB_HANDLE_TIMEOUT),
                              configManager.getInt
                                  (RepParams.REPLAY_MAX_OPEN_DB_HANDLES));


        consistencyTracker = new ConsistencyTracker();
        this.replay = replay;
        logger = LoggerUtils.getLogger(getClass());

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    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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