Package org.apache.flume

Examples of org.apache.flume.Transaction

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      LOG.info("Replay Events " + numResults);
      for(WALEntry<RecoverableMemoryChannelEvent> entry : results.getResults()) {
        seqidGenerator.set(Math.max(entry.getSequenceID(),seqidGenerator.get()));
      }
      for(WALEntry<RecoverableMemoryChannelEvent> entry : results.getResults()) {
        Transaction transaction = null;
        try {
          transaction = memoryChannel.getTransaction();
          transaction.begin();
          memoryChannel.put(entry.getData());
          transaction.commit();
        } catch(Exception e) {
          if(transaction != null) {
            try {
              transaction.rollback();
            } catch(Exception ex) {
              LOG.info("Error during rollback", ex);
            }
          }
          Throwables.propagate(e);
        } catch(Error e) {
          if(transaction != null) {
            try {
              transaction.rollback();
            } catch(Exception ex) {
              LOG.info("Error during rollback", ex);
            }
          }
          throw e;
        } finally {
          if(transaction != null) {
            transaction.close();
          }
        }
      }
    } catch (IOException e) {
      Throwables.propagate(e);
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    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();
    transaction.commit();
    transaction.close();

    source.stop();

    File file1 = new File("/tmp/flume-execsource."
        + Thread.currentThread().getId());
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    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();
    HTable table = new HTable(testUtility.getConfiguration(), tableName);
    byte[][] results = getResults(table, 1);
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    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));
    }

    // ensure restartThrottle was turned down as expected
    assertTrue(System.currentTimeMillis() - start < 10000L);

    transaction.commit();
    transaction.close();

    source.stop();
  }
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    HttpResponse response = httpClient.execute(postRequest);

    Assert.assertEquals(HttpServletResponse.SC_OK,
            response.getStatusLine().getStatusCode());
    Transaction tx = channel.getTransaction();
    tx.begin();
    Event e = channel.take();
    Assert.assertNotNull(e);
    Assert.assertEquals("b", e.getHeaders().get("a"));
    Assert.assertEquals("random_body", new String(e.getBody(), "UTF-8"));

    e = channel.take();
    Assert.assertNotNull(e);
    Assert.assertEquals("f", e.getHeaders().get("e"));
    Assert.assertEquals("random_body2", new String(e.getBody(), "UTF-8"));
    tx.commit();
    tx.close();
  }
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    HttpResponse response = httpClient.execute(postRequest);

    Assert.assertEquals(HttpServletResponse.SC_OK,
            response.getStatusLine().getStatusCode());
    Transaction tx = channel.getTransaction();
    tx.begin();
    Event e = channel.take();
    Assert.assertNotNull(e);
    Assert.assertEquals("b", e.getHeaders().get("a"));
    Assert.assertEquals("random_body", new String(e.getBody(), "UTF-16"));

    e = channel.take();
    Assert.assertNotNull(e);
    Assert.assertEquals("f", e.getHeaders().get("e"));
    Assert.assertEquals("random_body2", new String(e.getBody(), "UTF-16"));
    tx.commit();
    tx.close();
  }
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            + " \"random_body\"}]");
    input.setContentType("application/json");
    postRequest.setEntity(input);

    httpClient.execute(postRequest);
    Transaction tx = channel.getTransaction();
    tx.begin();
    Event e = channel.take();
    Assert.assertNotNull(e);
    Assert.assertEquals("b", e.getHeaders().get("a"));
    Assert.assertEquals("random_body", new String(e.getBody(),"UTF-8"));
    tx.commit();
    tx.close();
  }
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    return new ResultWrapper(resp, events);
  }

  private void takeWithEncoding(String encoding, int n, List<JSONEvent> events)
          throws Exception{
    Transaction tx = channel.getTransaction();
    tx.begin();
    Event e = null;
    int i = 0;
    while (true) {
      e = channel.take();
      if (e == null) {
        break;
      }
      Event current = events.get(i++);
      Assert.assertEquals(new String(current.getBody(), encoding),
              new String(e.getBody(), encoding));
      Assert.assertEquals(current.getHeaders(), e.getHeaders());
    }
    Assert.assertEquals(n, events.size());
    tx.commit();
    tx.close();
  }
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  @Test
  public void shouldIndexOneEvent() throws Exception {
    Configurables.configure(fixture, new Context(parameters));
    Channel channel = bindAndStartChannel(fixture);

    Transaction tx = channel.getTransaction();
    tx.begin();
    Event event = EventBuilder.withBody("event #1 or 1".getBytes());
    channel.put(event);
    tx.commit();
    tx.close();

    fixture.process();
    fixture.stop();
    client.admin().indices()
        .refresh(Requests.refreshRequest(timestampedIndexName)).actionGet();
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    Channel channel = bindAndStartChannel(fixture);

    int numberOfEvents = 5;
    Event[] events = new Event[numberOfEvents];

    Transaction tx = channel.getTransaction();
    tx.begin();
    for (int i = 0; i < numberOfEvents; i++) {
      String body = "event #" + i + " of " + numberOfEvents;
      Event event = EventBuilder.withBody(body.getBytes());
      events[i] = event;
      channel.put(event);
    }
    tx.commit();
    tx.close();

    fixture.process();
    fixture.stop();
    client.admin().indices()
        .refresh(Requests.refreshRequest(timestampedIndexName)).actionGet();
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