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.

        {
            LOGGER.debug("Environment at path " + _environmentDirectory + " already exists.");
        }


        _configuration = configuration;
        _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));
        _groupChangeExecutor = Executors.newScheduledThreadPool(Runtime.getRuntime().availableProcessors() + 1, new DaemonThreadFactory("Group-Change-Learner:" + _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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        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;
        try
        {
            intruder = new ReplicatedEnvironment(environmentPathFile, replicationConfig, envConfig);

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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.mkdir();
        } catch (Exception ex) {

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                       int commitMasterNodeId)
        throws DatabaseException {


        LoggerUtils.fine(logger, envImpl, "commit called for " + getId());
        setRepContext(clientRepContext);
        Durability durability = null;
        if (syncPolicy == SyncPolicy.SYNC) {
            durability = Durability.COMMIT_SYNC;
        } else if (syncPolicy == SyncPolicy.NO_SYNC) {
            durability = Durability.COMMIT_NO_SYNC;
        } else if (syncPolicy == SyncPolicy.WRITE_NO_SYNC) {

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            DatabaseImpl newDbImpl = null;
            Txn txn = null;
            try {
                TransactionConfig txnConfig = new TransactionConfig();
                txnConfig.setDurability(new Durability(SyncPolicy.SYNC,
                                                       SyncPolicy.SYNC,
                                                       ReplicaAckPolicy.NONE));
                txnConfig.setConsistencyPolicy(NO_CONSISTENCY);
                txn = new MasterTxn(this,
                                    txnConfig,

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        /* 
         * Set the ReplicaAckPolicy to ALL, so that all the replicas can get 
         * into a same sync point.
         */ 
        Durability durability =
            new Durability(Durability.SyncPolicy.WRITE_NO_SYNC,
                           Durability.SyncPolicy.WRITE_NO_SYNC,
                           Durability.ReplicaAckPolicy.ALL);


        EnvironmentConfig envConfig = new EnvironmentConfig();
        envConfig.setAllowCreate(true);

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               DatabaseException,
               InterruptedException,
               ChecksumException {


        /* Create a single replicator */
        Durability durability = new Durability(SyncPolicy.NO_SYNC,
                                               SyncPolicy.NO_SYNC,
                                               ReplicaAckPolicy.NONE);


        EnvironmentConfig envConfig = new EnvironmentConfig();
        envConfig.setAllowCreate(false);

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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.mkdir();
        } catch (Exception ex) {

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    public DatabasePinger()
    {
        // The ping merely needs to establish that the sufficient remote nodes are available,
        // we don't need to await the data being written/synch'd
        _pingTransactionConfig.setDurability(new Durability(Durability.SyncPolicy.NO_SYNC,
                                                            Durability.SyncPolicy.NO_SYNC,
                                                            Durability.ReplicaAckPolicy.SIMPLE_MAJORITY));
    }

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