Java Transaction.rollback方法代码示例

本文整理汇总了Java中org.apache.flume.Transaction.rollback方法的典型用法代码示例。如果您正苦于以下问题：Java Transaction.rollback方法的具体用法？Java Transaction.rollback怎么用？Java Transaction.rollback使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.apache.flume.Transaction的用法示例。

在下文中一共展示了Transaction.rollback方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: testPut2

import org.apache.flume.Transaction; //导入方法依赖的package包/类
@Test
public void testPut2() throws Exception {
  Transaction transaction = channel.getTransaction();
  transaction.begin();
  channel.put(events.get(0));
  transaction.rollback();

  testIllegalState(new Runnable() {
      @Override
      public void run() {
        channel.put(events.get(0));
      }
    });

  transaction.close();

  testIllegalState(new Runnable() {
      @Override
      public void run() {
        channel.put(events.get(0));
      }
    });
}

开发者ID:moueimei，项目名称:flume-release-1.7.0，代码行数:24，代码来源:TestBasicChannelSemantics.java

示例2: testTake2

import org.apache.flume.Transaction; //导入方法依赖的package包/类
@Test
public void testTake2() throws Exception {
  Transaction transaction = channel.getTransaction();
  transaction.begin();
  channel.take();
  transaction.rollback();

  testIllegalState(new Runnable() {
      @Override
      public void run() {
        channel.take();
      }
    });

  transaction.close();

  testIllegalState(new Runnable() {
      @Override
      public void run() {
        channel.take();
      }
    });
}

开发者ID:moueimei，项目名称:flume-release-1.7.0，代码行数:24，代码来源:TestBasicChannelSemantics.java

示例3: testCapacity

import org.apache.flume.Transaction; //导入方法依赖的package包/类
@Test
public void testCapacity() throws Exception {
  Map<String, String> overrides = Maps.newHashMap();
  overrides.put(FileChannelConfiguration.CAPACITY, String.valueOf(5));
  overrides.put(FileChannelConfiguration.TRANSACTION_CAPACITY,
      String.valueOf(5));
  channel = createFileChannel(overrides);
  channel.start();
  Assert.assertTrue(channel.isOpen());
  fillChannel(channel, "fillup");
  // take an event, roll it back, and
  // then make sure a put fails
  Transaction transaction;
  transaction = channel.getTransaction();
  transaction.begin();
  Event event = channel.take();
  Assert.assertNotNull(event);
  transaction.rollback();
  transaction.close();
  // ensure the take the didn't change the state of the capacity
  Assert.assertEquals(0, fillChannel(channel, "capacity").size());
  // ensure we the events back
  Assert.assertEquals(5, takeEvents(channel, 1, 5).size());
}

开发者ID:moueimei，项目名称:flume-release-1.7.0，代码行数:25，代码来源:TestFileChannel.java

示例4: testCommit2

import org.apache.flume.Transaction; //导入方法依赖的package包/类
@Test
public void testCommit2() throws Exception {
  final Transaction transaction = channel.getTransaction();

  transaction.begin();
  transaction.rollback();

  testIllegalState(new Runnable() {
      @Override
      public void run() {
        transaction.commit();
      }
    });

  transaction.close();

  testIllegalState(new Runnable() {
      @Override
      public void run() {
        transaction.commit();
      }
    });
}

开发者ID:moueimei，项目名称:flume-release-1.7.0，代码行数:24，代码来源:TestBasicChannelSemantics.java

示例5: remaining

import org.apache.flume.Transaction; //导入方法依赖的package包/类
public static int remaining(Channel ch) throws EventDeliveryException {
  Transaction t = ch.getTransaction();
  try {
    t.begin();
    int count = 0;
    while (ch.take() != null) {
      count += 1;
    }
    t.commit();
    return count;
  } catch (Throwable th) {
    t.rollback();
    Throwables.propagateIfInstanceOf(th, Error.class);
    Throwables.propagateIfInstanceOf(th, EventDeliveryException.class);
    throw new EventDeliveryException(th);
  } finally {
    t.close();
  }
}

开发者ID:moueimei，项目名称:flume-release-1.7.0，代码行数:20，代码来源:TestDatasetSink.java

示例6: getFlumeEvent

import org.apache.flume.Transaction; //导入方法依赖的package包/类
private byte[] getFlumeEvent() {
  Transaction transaction = channel.getTransaction();
  transaction.begin();

  Event event = channel.take();
  Assert.assertNotNull(event);

  try {
    transaction.commit();
  } catch (Throwable t) {
    transaction.rollback();
  } finally {
    transaction.close();
  }

  logger.debug("Round trip event:{}", event);

  return event.getBody();
}

开发者ID:moueimei，项目名称:flume-release-1.7.0，代码行数:20，代码来源:TestNetcatSource.java

示例7: process

import org.apache.flume.Transaction; //导入方法依赖的package包/类
@Override
public Status process() throws EventDeliveryException {
  Status result = Status.READY;
  Channel channel = getChannel();
  Transaction transaction = channel.getTransaction();
  Event event = null;

  try {
    transaction.begin();
    event = channel.take();

    if (event != null) {
      if (logger.isInfoEnabled()) {
        logger.info("Event: " + EventHelper.dumpEvent(event, maxBytesToLog));
      }
    } else {
      // No event found, request back-off semantics from the sink runner
      result = Status.BACKOFF;
    }
    transaction.commit();
  } catch (Exception ex) {
    transaction.rollback();
    throw new EventDeliveryException("Failed to log event: " + event, ex);
  } finally {
    transaction.close();
  }

  return result;
}

开发者ID:moueimei，项目名称:flume-release-1.7.0，代码行数:30，代码来源:LoggerSink.java

示例8: process

import org.apache.flume.Transaction; //导入方法依赖的package包/类
@Override
public Status process() throws EventDeliveryException {
  Status status = Status.READY;

  Channel channel = getChannel();
  Transaction transaction = channel.getTransaction();
  Event event = null;
  long eventCounter = counterGroup.get("events.success");

  try {
    transaction.begin();
    int i = 0;
    for (i = 0; i < batchSize; i++) {
      event = channel.take();
      if (++eventCounter % logEveryNEvents == 0) {
        logger.info("Null sink {} successful processed {} events.", getName(), eventCounter);
      }
      if (event == null) {
        status = Status.BACKOFF;
        break;
      }
    }
    transaction.commit();
    counterGroup.addAndGet("events.success", (long) Math.min(batchSize, i));
    counterGroup.incrementAndGet("transaction.success");
  } catch (Exception ex) {
    transaction.rollback();
    counterGroup.incrementAndGet("transaction.failed");
    logger.error("Failed to deliver event. Exception follows.", ex);
    throw new EventDeliveryException("Failed to deliver event: " + event, ex);
  } finally {
    transaction.close();
  }

  return status;
}

开发者ID:moueimei，项目名称:flume-release-1.7.0，代码行数:37，代码来源:NullSink.java

示例9: testPut3

import org.apache.flume.Transaction; //导入方法依赖的package包/类
@Test
public void testPut3() throws Exception {
  Transaction transaction = channel.getTransaction();
  transaction.begin();
  channel.put(events.get(0));

  final Transaction finalTransaction = transaction;
  testChannelException(new Runnable() {
      @Override
      public void run() {
        finalTransaction.commit();
      }
    });

  transaction.rollback();

  testIllegalState(new Runnable() {
      @Override
      public void run() {
        channel.put(events.get(0));
      }
    });

  transaction.close();

  testIllegalState(new Runnable() {
      @Override
      public void run() {
        channel.put(events.get(0));
      }
    });
}

开发者ID:moueimei，项目名称:flume-release-1.7.0，代码行数:33，代码来源:TestBasicChannelSemantics.java

示例10: testRollback1

import org.apache.flume.Transaction; //导入方法依赖的package包/类
@Test
public void testRollback1() throws Exception {
  final Transaction transaction = channel.getTransaction();

  testIllegalState(new Runnable() {
      @Override
      public void run() {
        transaction.rollback();
      }
    });

  transaction.begin();

  testWrongThread(new Runnable() {
      @Override
      public void run() {
        transaction.rollback();
      }
    });

  transaction.rollback();

  testIllegalState(new Runnable() {
      @Override
      public void run() {
        transaction.rollback();
      }
    });

  transaction.close();

  testIllegalState(new Runnable() {
      @Override
      public void run() {
        transaction.rollback();
      }
    });
}

开发者ID:moueimei，项目名称:flume-release-1.7.0，代码行数:39，代码来源:TestBasicChannelSemantics.java

示例11: testRollback7

import org.apache.flume.Transaction; //导入方法依赖的package包/类
@Test
public void testRollback7() throws Exception {
  final Transaction transaction = channel.getTransaction();

  transaction.begin();

  testExceptions(new Runnable() {
      @Override
      public void run() {
        transaction.commit();
      }
    });

  transaction.rollback();

  testIllegalState(new Runnable() {
      @Override
      public void run() {
        transaction.rollback();
      }
    });

  transaction.close();

  testIllegalState(new Runnable() {
      @Override
      public void run() {
        transaction.rollback();
      }
    });
}

开发者ID:moueimei，项目名称:flume-release-1.7.0，代码行数:32，代码来源:TestBasicChannelSemantics.java

示例12: testByteCapacityBufferEmptyingAfterRollback

import org.apache.flume.Transaction; //导入方法依赖的package包/类
@Test
public void testByteCapacityBufferEmptyingAfterRollback() {
  Context context = new Context();
  Map<String, String> parms = new HashMap<String, String>();
  parms.put("byteCapacity", "2000");
  parms.put("byteCapacityBufferPercentage", "20");
  context.putAll(parms);
  Configurables.configure(channel,  context);

  byte[] eventBody = new byte[405];

  Transaction tx = channel.getTransaction();
  tx.begin();
  channel.put(EventBuilder.withBody(eventBody));
  channel.put(EventBuilder.withBody(eventBody));
  channel.put(EventBuilder.withBody(eventBody));
  tx.rollback();
  tx.close();

  tx = channel.getTransaction();
  tx.begin();
  channel.put(EventBuilder.withBody(eventBody));
  channel.put(EventBuilder.withBody(eventBody));
  channel.put(EventBuilder.withBody(eventBody));
  tx.commit();
  tx.close();
}

开发者ID:moueimei，项目名称:flume-release-1.7.0，代码行数:28，代码来源:TestMemoryChannel.java

示例13: commitAndCloseTransaction

import org.apache.flume.Transaction; //导入方法依赖的package包/类
private void commitAndCloseTransaction(Transaction txn) {
  try {
    txn.commit();
  } catch (Throwable t) {
    logger.error("Transaction commit failed, rolling back", t);
    txn.rollback();
  } finally {
    txn.close();
  }
}

开发者ID:moueimei，项目名称:flume-release-1.7.0，代码行数:11，代码来源:TestSyslogUdpSource.java

示例14: testReconfigure

import org.apache.flume.Transaction; //导入方法依赖的package包/类
@Test
public void testReconfigure() throws InterruptedException, IOException {
  final int NUM_RECONFIGS = 20;
  for (int i = 0; i < NUM_RECONFIGS; i++) {
    Context context = new Context();
    File file = new File(tmpDir.getAbsolutePath() + "/file-" + i);
    Files.write("File " + i, file, Charsets.UTF_8);
    context.put(SpoolDirectorySourceConfigurationConstants.SPOOL_DIRECTORY,
        tmpDir.getAbsolutePath());
    Configurables.configure(source, context);
    source.start();
    Thread.sleep(TimeUnit.SECONDS.toMillis(1));
    Transaction txn = channel.getTransaction();
    txn.begin();
    try {
      Event event = channel.take();
      String content = new String(event.getBody(), Charsets.UTF_8);
      Assert.assertEquals("File " + i, content);
      txn.commit();
    } catch (Throwable t) {
      txn.rollback();
    } finally {
      txn.close();
    }
    source.stop();
    Assert.assertFalse("Fatal error on iteration " + i, source.hasFatalError());
  }
}

开发者ID:moueimei，项目名称:flume-release-1.7.0，代码行数:29，代码来源:TestSpoolDirectorySource.java

示例15: transactionalPutN

import org.apache.flume.Transaction; //导入方法依赖的package包/类
private static void transactionalPutN(int first, int count, AbstractChannel channel) {
  Transaction tx = channel.getTransaction();
  tx.begin();
  try {
    putN(first, count, channel);
    tx.commit();
  } catch (RuntimeException e) {
    tx.rollback();
    throw e;
  } finally {
    tx.close();
  }
}

开发者ID:moueimei，项目名称:flume-release-1.7.0，代码行数:14，代码来源:TestSpillableMemoryChannel.java

注：本文中的org.apache.flume.Transaction.rollback方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。