Examples of com.sleepycat.je.Durability

com.sleepycat.je.Durability
Durability defines the overall durability characteristics associated with a transaction. When operating on a local environment the durability of a transaction is completely determined by the local {@link SyncPolicy} that isin effect. When using replication, the overall durability is a function of the local {@link SyncPolicy} plus the {@link ReplicaAckPolicy} used by themaster and the {@link SyncPolicy} in effect at each Replica.

        ReplicationConfig replicationConfig = new ReplicationConfig(_groupCreator.getGroupName(), nodeName, nodeHostPort);
        replicationConfig.setHelperHosts(_groupCreator.getHelperHostPort());
        EnvironmentConfig envConfig = new EnvironmentConfig();
        envConfig.setAllowCreate(true);
        envConfig.setTransactional(true);
        envConfig.setDurability(new Durability(Durability.SyncPolicy.SYNC, Durability.SyncPolicy.WRITE_NO_SYNC, Durability.ReplicaAckPolicy.SIMPLE_MAJORITY));


        ReplicatedEnvironment intruder = null;
        final String currentThreadName = Thread.currentThread().getName();
        try
        {

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    public void testSetMessageStoreDurability() throws Exception
    {
        ReplicatedEnvironmentFacade master = createMaster();
        assertEquals("Unexpected message store durability",
                new Durability(Durability.SyncPolicy.NO_SYNC, Durability.SyncPolicy.NO_SYNC, Durability.ReplicaAckPolicy.SIMPLE_MAJORITY),
                master.getRealMessageStoreDurability());
        assertEquals("Unexpected durability", TEST_DURABILITY, master.getMessageStoreDurability());
        assertTrue("Unexpected coalescing sync", master.isCoalescingSync());


        master.setMessageStoreDurability(Durability.SyncPolicy.WRITE_NO_SYNC, Durability.SyncPolicy.SYNC, Durability.ReplicaAckPolicy.ALL);
        assertEquals("Unexpected message store durability",
                new Durability(Durability.SyncPolicy.WRITE_NO_SYNC, Durability.SyncPolicy.SYNC, Durability.ReplicaAckPolicy.ALL),
                master.getRealMessageStoreDurability());
        assertFalse("Coalescing sync committer is still running", master.isCoalescingSync());
    }

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        _dbPingSocketTimeout = configuration.getFacadeParameter(DB_PING_SOCKET_TIMEOUT_PROPERTY_NAME, DEFAULT_DB_PING_SOCKET_TIMEOUT);
        _remoteNodeMonitorInterval = configuration.getFacadeParameter(REMOTE_NODE_MONITOR_INTERVAL_PROPERTY_NAME, DEFAULT_REMOTE_NODE_MONITOR_INTERVAL);
        _environmentRestartRetryLimit = configuration.getFacadeParameter(ENVIRONMENT_RESTART_RETRY_LIMIT_PROPERTY_NAME, DEFAULT_ENVIRONMENT_RESTART_RETRY_LIMIT);
        _executorShutdownTimeout = configuration.getFacadeParameter(EXECUTOR_SHUTDOWN_TIMEOUT_PROPERTY_NAME, DEFAULT_EXECUTOR_SHUTDOWN_TIMEOUT);


        _defaultDurability = new Durability(LOCAL_TRANSACTION_SYNCHRONIZATION_POLICY, REMOTE_TRANSACTION_SYNCHRONIZATION_POLICY, REPLICA_REPLICA_ACKNOWLEDGMENT_POLICY);
        _prettyGroupNodeName = _configuration.getGroupName() + ":" + _configuration.getName();


        // we relay on this executor being single-threaded as we need to restart and mutate the environment in one thread
        _environmentJobExecutor = Executors.newSingleThreadExecutor(new DaemonThreadFactory("Environment-" + _prettyGroupNodeName));
        _stateChangeExecutor = Executors.newSingleThreadExecutor(new DaemonThreadFactory("StateChange-" + _prettyGroupNodeName));

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    {
        if (_messageStoreDurability == null || localTransactionSynchronizationPolicy != _messageStoreDurability.getLocalSync()
                || remoteTransactionSynchronizationPolicy != _messageStoreDurability.getReplicaSync()
                || replicaAcknowledgmentPolicy != _messageStoreDurability.getReplicaAck())
        {
            _messageStoreDurability = new Durability(localTransactionSynchronizationPolicy, remoteTransactionSynchronizationPolicy, replicaAcknowledgmentPolicy);


            if (_coalescingCommiter != null)
            {
                _coalescingCommiter.stop();
                _coalescingCommiter = null;
            }


            if (localTransactionSynchronizationPolicy == LOCAL_TRANSACTION_SYNCHRONIZATION_POLICY)
            {
                localTransactionSynchronizationPolicy = SyncPolicy.NO_SYNC;
                _coalescingCommiter = new CoalescingCommiter(_configuration.getGroupName(), this);
                _coalescingCommiter.start();
            }
            _realMessageStoreDurability = new Durability(localTransactionSynchronizationPolicy, remoteTransactionSynchronizationPolicy, replicaAcknowledgmentPolicy);
        }
    }

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    @ConstructorProperties({"name", "envHome"})
    public BerkeleyDB(String name, String envHome) {
        super(name);
        this.envHome = envHome;
        final EnvironmentConfig envConfig = new EnvironmentConfig().setAllowCreate(true).setTransactional(true);
        envConfig.setDurability(new Durability(durability, Durability.SyncPolicy.SYNC, Durability.ReplicaAckPolicy.SIMPLE_MAJORITY));
        final File dir = new File(this.envHome);
        try {
            if (!dir.exists())
                dir.mkdirs();
        } catch (Exception ex) {

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    @ConstructorProperties({"name", "envHome"})
    public BerkeleyDB(String name, String envHome) {
        super(name);
        this.envHome = envHome;
        final EnvironmentConfig envConfig = new EnvironmentConfig().setAllowCreate(true).setTransactional(true);
        envConfig.setDurability(new Durability(durability, Durability.SyncPolicy.SYNC, Durability.ReplicaAckPolicy.SIMPLE_MAJORITY));
        this.env = new Environment(new File(envHome), envConfig);


        this.entryBinding = new MainMemoryTupleBinding();
    }

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