Package org.apache.flume

Examples of org.apache.flume.Channel

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  }

  @Override
  public Status process() throws EventDeliveryException {
    Status status = Status.READY;
    Channel channel = getChannel();
    Transaction txn = channel.getTransaction();
    List<Row> actions = new LinkedList<Row>();
    List<Increment> incs = new LinkedList<Increment>();
    txn.begin();
    for(long i = 0; i < batchSize; i++) {
      Event event = channel.take();
      if(event == null){
        status = Status.BACKOFF;
        counterGroup.incrementAndGet("channel.underflow");
        break;
      } else {
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  }

  @Test
  public void testLifecycle() throws LifecycleException, InterruptedException {

    Channel channel = new MemoryChannel();
    Configurables.configure(channel, new Context());

    Source generatorSource = new SequenceGeneratorSource();
    List<Channel> channels = new ArrayList<Channel>();
    channels.add(channel);
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  @Test
  public void testRapidLifecycleFlapping() throws LifecycleException,
  InterruptedException {

    Channel channel = new MemoryChannel();
    Configurables.configure(channel, new Context());

    Source source = new SequenceGeneratorSource();
    List<Channel> channels = new ArrayList<Channel>();
    channels.add(channel);
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  @Override
  public Status process() throws EventDeliveryException {
    logger.debug("processing...");
    Status status = Status.READY;
    Channel channel = getChannel();
    Transaction txn = channel.getTransaction();
    try {
      txn.begin();
      String indexName = getIndexName();
      BulkRequestBuilder bulkRequest = client.prepareBulk();
      for (int i = 0; i < batchSize; i++) {
        Event event = channel.take();

        if (event == null) {
          break;
        }
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  @Test
  public void testProcess() throws InterruptedException, LifecycleException,
  EventDeliveryException, IOException {

    Channel channel = new MemoryChannel();
    Context context = new Context();

    context.put("command", "cat /etc/passwd");
    context.put("keep-alive", "1");
    context.put("capacity", "1000");
    context.put("transactionCapacity", "1000");
    Configurables.configure(source, context);
    Configurables.configure(channel, context);

    ChannelSelector rcs = new ReplicatingChannelSelector();
    rcs.setChannels(Lists.newArrayList(channel));

    source.setChannelProcessor(new ChannelProcessor(rcs));

    source.start();
    Transaction transaction = channel.getTransaction();

    transaction.begin();
    Event event;

    FileOutputStream outputStream = new FileOutputStream(
        "/tmp/flume-execsource." + Thread.currentThread().getId());

    while ((event = channel.take()) != null) {
      outputStream.write(event.getBody());
      outputStream.write('\n');
    }

    outputStream.close();
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  @Test
  public void testRestart() throws InterruptedException, LifecycleException,
  EventDeliveryException, IOException {

    Channel channel = new MemoryChannel();
    Context context = new Context();

    context.put(ExecSourceConfigurationConstants.CONFIG_RESTART_THROTTLE, "10");
    context.put(ExecSourceConfigurationConstants.CONFIG_RESTART, "true");

    context.put("command", "echo flume");
    Configurables.configure(source, context);
    Configurables.configure(channel, context);

    ChannelSelector rcs = new ReplicatingChannelSelector();
    rcs.setChannels(Lists.newArrayList(channel));

    source.setChannelProcessor(new ChannelProcessor(rcs));

    source.start();
    Transaction transaction = channel.getTransaction();

    transaction.begin();

    long start = System.currentTimeMillis();

    for(int i = 0; i < 5; i++) {
      Event event = channel.take();
      assertNotNull(event);
      assertNotNull(event.getBody());
      assertEquals("flume", new String(event.getBody(), Charsets.UTF_8));
    }
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    // but this should be a fairly rare scenerio

    String command = "sleep " + seconds;
    Pattern pattern = Pattern.compile("\b" + command + "\b");

    Channel channel = new MemoryChannel();
    Context context = new Context();

    context.put(ExecSourceConfigurationConstants.CONFIG_RESTART, "false");

    context.put("command", command);
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  @Test
  public void testOneEvent() throws Exception {
    testUtility.createTable(tableName.getBytes(), columnFamily.getBytes());
    HBaseSink sink = new HBaseSink(testUtility.getConfiguration());
    Configurables.configure(sink, ctx);
    Channel channel = new MemoryChannel();
    Configurables.configure(channel, new Context());
    sink.setChannel(channel);
    sink.start();
    Transaction tx = channel.getTransaction();
    tx.begin();
    Event e = EventBuilder.withBody(
        Bytes.toBytes(valBase));
    channel.put(e);
    tx.commit();
    tx.close();

    sink.process();
    sink.stop();
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  @Test
  public void testThreeEvents() throws Exception {
    testUtility.createTable(tableName.getBytes(), columnFamily.getBytes());
    HBaseSink sink = new HBaseSink(testUtility.getConfiguration());
    Configurables.configure(sink, ctx);
    Channel channel = new MemoryChannel();
    Configurables.configure(channel, new Context());
    sink.setChannel(channel);
    sink.start();
    Transaction tx = channel.getTransaction();
    tx.begin();
    for(int i = 0; i < 3; i++){
      Event e = EventBuilder.withBody(Bytes.toBytes(valBase + "-" + i));
      channel.put(e);
    }
    tx.commit();
    tx.close();
    sink.process();
    sink.stop();
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    ctx.put("batchSize", "2");
    HBaseSink sink = new HBaseSink(testUtility.getConfiguration());
    Configurables.configure(sink, ctx);
    //Reset the context to a higher batchSize
    ctx.put("batchSize", "100");
    Channel channel = new MemoryChannel();
    Configurables.configure(channel, new Context());
    sink.setChannel(channel);
    sink.start();
    Transaction tx = channel.getTransaction();
    tx.begin();
    for(int i = 0; i < 3; i++){
      Event e = EventBuilder.withBody(Bytes.toBytes(valBase + "-" + i));
      channel.put(e);
    }
    tx.commit();
    tx.close();
    int count = 0;
    Status status = Status.READY;
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