Java TransactionAttempt类代码示例

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本文整理汇总了Java中backtype.storm.transactional.TransactionAttempt类的典型用法代码示例。如果您正苦于以下问题：Java TransactionAttempt类的具体用法？Java TransactionAttempt怎么用？Java TransactionAttempt使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

TransactionAttempt类属于backtype.storm.transactional包，在下文中一共展示了TransactionAttempt类的20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，您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: execute

import backtype.storm.transactional.TransactionAttempt; //导入依赖的package包/类
@Override
public void execute(Tuple tuple, BasicOutputCollector collector) {
	TransactionAttempt attempt = (TransactionAttempt) tuple.getValue(0);
	int curr = tuple.getInteger(2);
	Integer prev = tuple.getInteger(3);

	int currBucket = curr / BUCKET_SIZE;
	Integer prevBucket = null;
	if (prev != null) {
		prevBucket = prev / BUCKET_SIZE;
	}

	if (prevBucket == null) {
		collector.emit(new Values(attempt, currBucket, 1));
	} else if (currBucket != prevBucket) {
		collector.emit(new Values(attempt, currBucket, 1));
		collector.emit(new Values(attempt, prevBucket, -1));
	}
}

开发者ID:zhangjunfang，项目名称:jstorm-0.9.6.3-，代码行数:20，代码来源:TransactionalWordsTest.java

示例2: execute

import backtype.storm.transactional.TransactionAttempt; //导入依赖的package包/类
@Override
public void execute(Tuple tuple, BasicOutputCollector collector) {
  TransactionAttempt attempt = (TransactionAttempt) tuple.getValue(0);
  int curr = tuple.getInteger(2);
  Integer prev = tuple.getInteger(3);

  int currBucket = curr / BUCKET_SIZE;
  Integer prevBucket = null;
  if (prev != null) {
    prevBucket = prev / BUCKET_SIZE;
  }

  if (prevBucket == null) {
    collector.emit(new Values(attempt, currBucket, 1));
  }
  else if (currBucket != prevBucket) {
    collector.emit(new Values(attempt, currBucket, 1));
    collector.emit(new Values(attempt, prevBucket, -1));
  }
}

开发者ID:luozhaoyu，项目名称:big-data-system，代码行数:21，代码来源:TransactionalWords.java

示例3: emitBatch

import backtype.storm.transactional.TransactionAttempt; //导入依赖的package包/类
@Override
public void emitBatch(final TransactionAttempt tx, final Integer partitions, final BatchOutputCollector collector) {
    for (int i = _index; i < partitions; i += _numTasks) {
        if (!_partitionStates.containsKey(i)) {
            _partitionStates.put(i, new RotatingTransactionalState(_state, "" + i));
        }
        RotatingTransactionalState state = _partitionStates.get(i);
        final int partition = i;
        Object meta = state.getStateOrCreate(tx.getTransactionId(), new RotatingTransactionalState.StateInitializer() {
            @Override
            public Object init(BigInteger txid, Object lastState) {
                return _emitter.emitPartitionBatchNew(tx, collector, partition, lastState);
            }
        });
        // it's null if one of:
        // a) a later transaction batch was emitted before this, so we should skip this batch
        // b) if didn't exist and was created (in which case the StateInitializer was invoked and
        // it was emitted
        if (meta != null) {
            _emitter.emitPartitionBatch(tx, collector, partition, meta);
        }
    }

}

开发者ID:kkllwww007，项目名称:jstrom，代码行数:25，代码来源:PartitionedTransactionalSpoutExecutor.java

示例4: execute

import backtype.storm.transactional.TransactionAttempt; //导入依赖的package包/类
@Override
public void execute(Tuple tuple, BasicOutputCollector collector) {
    TransactionAttempt attempt = (TransactionAttempt) tuple.getValue(0);
    int curr = tuple.getInteger(2);
    Integer prev = tuple.getInteger(3);

    int currBucket = curr / BUCKET_SIZE;
    Integer prevBucket = null;
    if (prev != null) {
        prevBucket = prev / BUCKET_SIZE;
    }

    if (prevBucket == null) {
        collector.emit(new Values(attempt, currBucket, 1));
    } else if (currBucket != prevBucket) {
        collector.emit(new Values(attempt, currBucket, 1));
        collector.emit(new Values(attempt, prevBucket, -1));
    }
}

开发者ID:kkllwww007，项目名称:jstrom，代码行数:20，代码来源:TransactionalWordsTest.java

示例5: emitBatch

import backtype.storm.transactional.TransactionAttempt; //导入依赖的package包/类
@Override
public void emitBatch(final TransactionAttempt tx, final Integer partitions,
        final BatchOutputCollector collector) {
    for(int i=_index; i < partitions; i+=_numTasks) {
        if(!_partitionStates.containsKey(i)) {
            _partitionStates.put(i, new RotatingTransactionalState(_state, "" + i));
        }
        RotatingTransactionalState state = _partitionStates.get(i);
        final int partition = i;
        Object meta = state.getStateOrCreate(tx.getTransactionId(),
                new RotatingTransactionalState.StateInitializer() {
            @Override
            public Object init(BigInteger txid, Object lastState) {
                return _emitter.emitPartitionBatchNew(tx, collector, partition, lastState);
            }
        });
        // it's null if one of:
        //   a) a later transaction batch was emitted before this, so we should skip this batch
        //   b) if didn't exist and was created (in which case the StateInitializer was invoked and 
        //      it was emitted
        if(meta!=null) {
            _emitter.emitPartitionBatch(tx, collector, partition, meta);
        }
    }
    
}

开发者ID:metamx，项目名称:incubator-storm，代码行数:27，代码来源:PartitionedTransactionalSpoutExecutor.java

示例6: execute

import backtype.storm.transactional.TransactionAttempt; //导入依赖的package包/类
@Override
public void execute(Tuple tuple, BasicOutputCollector collector) {
    TransactionAttempt attempt = (TransactionAttempt) tuple.getValue(0);
    int curr = tuple.getInteger(2);
    Integer prev = tuple.getInteger(3);

    int currBucket = curr / BUCKET_SIZE;
    Integer prevBucket = null;
    if(prev!=null) {
        prevBucket = prev / BUCKET_SIZE;
    }
    
    if(prevBucket==null) {
        collector.emit(new Values(attempt, currBucket, 1));                
    } else if(currBucket != prevBucket) {
        collector.emit(new Values(attempt, currBucket, 1));
        collector.emit(new Values(attempt, prevBucket, -1));
    }
}

开发者ID:adarshms，项目名称:sentweet，代码行数:20，代码来源:TransactionalWords.java

示例7: emitPartitionBatch

import backtype.storm.transactional.TransactionAttempt; //导入依赖的package包/类
@Override
public BatchMeta emitPartitionBatch(TransactionAttempt attempt, BatchOutputCollector collector, int partition, BatchMeta lastMeta) {
    try {
        SimpleConsumer consumer = _connections.getConsumer(partition);
        return KafkaUtils.emitPartitionBatchNew(_config, partition, consumer, attempt, collector, lastMeta);
    } catch(FailedFetchException e) {
        LOG.warn("Failed to fetch from partition " + partition);
        if(lastMeta==null) {
            return null;
        } else {
            BatchMeta ret = new BatchMeta();
            ret.offset = lastMeta.nextOffset;
            ret.nextOffset = lastMeta.nextOffset;
            return ret;
        }
    }
}

开发者ID:YinYanfei，项目名称:CadalWorkspace，代码行数:18，代码来源:OpaqueTransactionalKafkaSpout.java

示例8: emitPartitionBatchNew

import backtype.storm.transactional.TransactionAttempt; //导入依赖的package包/类
public static BatchMeta emitPartitionBatchNew(KafkaConfig config, int partition, SimpleConsumer consumer, TransactionAttempt attempt, BatchOutputCollector collector, BatchMeta lastMeta) {
    long offset = 0;
    if(lastMeta!=null) {
        offset = lastMeta.nextOffset;
    }
    ByteBufferMessageSet msgs;
    try {
       msgs = consumer.fetch(new FetchRequest(config.topic, partition % config.partitionsPerHost, offset, config.fetchSizeBytes));
    } catch(Exception e) {
        if(e instanceof ConnectException) {
            throw new FailedFetchException(e);
        } else {
            throw new RuntimeException(e);
        }
    }
    long endoffset = offset;
    for(MessageAndOffset msg: msgs) {
        emit(config, attempt, collector, msg.message());
        endoffset = msg.offset();
    }
    BatchMeta newMeta = new BatchMeta();
    newMeta.offset = offset;
    newMeta.nextOffset = endoffset;
    return newMeta;
}

开发者ID:YinYanfei，项目名称:CadalWorkspace，代码行数:26，代码来源:KafkaUtils.java

示例9: execute

import backtype.storm.transactional.TransactionAttempt; //导入依赖的package包/类
@Override
public void execute(Tuple tuple, BasicOutputCollector collector) {
    TransactionAttempt attempt = (TransactionAttempt) tuple.getValue(0);
    int curr = tuple.getInteger(2);
    Integer prev = tuple.getInteger(3);
    
    int currBucket = curr / BUCKET_SIZE;
    Integer prevBucket = null;
    if (prev != null) {
        prevBucket = prev / BUCKET_SIZE;
    }
    
    if (prevBucket == null) {
        collector.emit(new Values(attempt, currBucket, 1));
    } else if (currBucket != prevBucket) {
        collector.emit(new Values(attempt, currBucket, 1));
        collector.emit(new Values(attempt, prevBucket, -1));
    }
}

开发者ID:alibaba，项目名称:jstorm，代码行数:20，代码来源:TransactionalWords.java

示例10: commit

import backtype.storm.transactional.TransactionAttempt; //导入依赖的package包/类
@Override
public void commit(TransactionAttempt attempt) {
	BigInteger txid = attempt.getTransactionId();
	Map<Integer, Object> metas = _cachedMetas.remove(txid);
	for (Integer partition : metas.keySet()) {
		Object meta = metas.get(partition);
		_partitionStates.get(partition).overrideState(txid, meta);
	}
}

开发者ID:zhangjunfang，项目名称:jstorm-0.9.6.3-，代码行数:10，代码来源:OpaquePartitionedTransactionalSpoutExecutor.java

示例11: emitBatch

import backtype.storm.transactional.TransactionAttempt; //导入依赖的package包/类
@Override
public void emitBatch(final TransactionAttempt tx,
		final Integer partitions, final BatchOutputCollector collector) {
	for (int i = _index; i < partitions; i += _numTasks) {
		if (!_partitionStates.containsKey(i)) {
			_partitionStates.put(i, new RotatingTransactionalState(
					_state, "" + i));
		}
		RotatingTransactionalState state = _partitionStates.get(i);
		final int partition = i;
		Object meta = state.getStateOrCreate(tx.getTransactionId(),
				new RotatingTransactionalState.StateInitializer() {
					@Override
					public Object init(BigInteger txid, Object lastState) {
						return _emitter.emitPartitionBatchNew(tx,
								collector, partition, lastState);
					}
				});
		// it's null if one of:
		// a) a later transaction batch was emitted before this, so we
		// should skip this batch
		// b) if didn't exist and was created (in which case the
		// StateInitializer was invoked and
		// it was emitted
		if (meta != null) {
			_emitter.emitPartitionBatch(tx, collector, partition, meta);
		}
	}

}

开发者ID:zhangjunfang，项目名称:jstorm-0.9.6.3-，代码行数:31，代码来源:PartitionedTransactionalSpoutExecutor.java

示例12: emitPartitionBatch

import backtype.storm.transactional.TransactionAttempt; //导入依赖的package包/类
@Override
public MemoryTransactionalSpoutMeta emitPartitionBatch(
		TransactionAttempt tx, BatchOutputCollector collector,
		int partition, MemoryTransactionalSpoutMeta lastPartitionMeta) {
	if (!Boolean.FALSE.equals(getDisabledStatuses().get(partition))) {
		int index;
		if (lastPartitionMeta == null) {
			index = 0;
		} else {
			index = lastPartitionMeta.index + lastPartitionMeta.amt;
		}
		List<List<Object>> queue = getQueues().get(partition);
		int total = queue.size();
		int left = total - index;
		int toTake = Math.min(left, _takeAmt);

		MemoryTransactionalSpoutMeta ret = new MemoryTransactionalSpoutMeta(
				index, toTake);
		for (int i = ret.index; i < ret.index + ret.amt; i++) {
			List<Object> toEmit = new ArrayList<Object>(queue.get(i));
			toEmit.add(0, tx);
			collector.emit(toEmit);
		}
		if (toTake == 0) {
			// this is a pretty hacky way to determine when all the
			// partitions have been committed
			// wait until we've emitted max-spout-pending empty
			// partitions for the partition
			int curr = Utils.get(_emptyPartitions, partition, 0) + 1;
			_emptyPartitions.put(partition, curr);
			if (curr > _maxSpoutPending) {
				getFinishedStatuses().put(partition, true);
			}
		}
		return ret;
	} else {
		return null;
	}
}

开发者ID:zhangjunfang，项目名称:jstorm-0.9.6.3-，代码行数:40，代码来源:OpaqueMemoryTransactionalSpout.java

示例13: emitPartitionBatchNew

import backtype.storm.transactional.TransactionAttempt; //导入依赖的package包/类
@Override
public MemoryTransactionalSpoutMeta emitPartitionBatchNew(
		TransactionAttempt tx, BatchOutputCollector collector,
		int partition, MemoryTransactionalSpoutMeta lastPartitionMeta) {
	int index;
	if (lastPartitionMeta == null) {
		index = 0;
	} else {
		index = lastPartitionMeta.index + lastPartitionMeta.amt;
	}
	List<List<Object>> queue = getQueues().get(partition);
	int total = queue.size();
	int left = total - index;
	int toTake = Math.min(left, _takeAmt);

	MemoryTransactionalSpoutMeta ret = new MemoryTransactionalSpoutMeta(
			index, toTake);
	emitPartitionBatch(tx, collector, partition, ret);
	if (toTake == 0) {
		// this is a pretty hacky way to determine when all the
		// partitions have been committed
		// wait until we've emitted max-spout-pending empty partitions
		// for the partition
		int curr = Utils.get(_emptyPartitions, partition, 0) + 1;
		_emptyPartitions.put(partition, curr);
		if (curr > _maxSpoutPending) {
			Map<Integer, Boolean> finishedStatuses = getFinishedStatuses();
			// will be null in remote mode
			if (finishedStatuses != null) {
				finishedStatuses.put(partition, true);
			}
		}
	}
	return ret;
}

开发者ID:zhangjunfang，项目名称:jstorm-0.9.6.3-，代码行数:36，代码来源:MemoryTransactionalSpout.java

示例14: emitPartitionBatch

import backtype.storm.transactional.TransactionAttempt; //导入依赖的package包/类
@Override
public void emitPartitionBatch(TransactionAttempt tx,
		BatchOutputCollector collector, int partition,
		MemoryTransactionalSpoutMeta partitionMeta) {
	List<List<Object>> queue = getQueues().get(partition);
	for (int i = partitionMeta.index; i < partitionMeta.index
			+ partitionMeta.amt; i++) {
		List<Object> toEmit = new ArrayList<Object>(queue.get(i));
		toEmit.add(0, tx);
		collector.emit(toEmit);
	}
}

开发者ID:zhangjunfang，项目名称:jstorm-0.9.6.3-，代码行数:13，代码来源:MemoryTransactionalSpout.java

示例15: commit

import backtype.storm.transactional.TransactionAttempt; //导入依赖的package包/类
@Override
public void commit(TransactionAttempt attempt) {
    BigInteger txid = attempt.getTransactionId();
    Map<Integer, Object> metas = _cachedMetas.remove(txid);
    for (Integer partition : metas.keySet()) {
        Object meta = metas.get(partition);
        _partitionStates.get(partition).overrideState(txid, meta);
    }
}

开发者ID:kkllwww007，项目名称:jstrom，代码行数:10，代码来源:OpaquePartitionedTransactionalSpoutExecutor.java

示例16: emitPartitionBatch

import backtype.storm.transactional.TransactionAttempt; //导入依赖的package包/类
@Override
public MemoryTransactionalSpoutMeta emitPartitionBatch(TransactionAttempt tx, BatchOutputCollector collector, int partition,
        MemoryTransactionalSpoutMeta lastPartitionMeta) {
    if (!Boolean.FALSE.equals(getDisabledStatuses().get(partition))) {
        int index;
        if (lastPartitionMeta == null) {
            index = 0;
        } else {
            index = lastPartitionMeta.index + lastPartitionMeta.amt;
        }
        List<List<Object>> queue = getQueues().get(partition);
        int total = queue.size();
        int left = total - index;
        int toTake = Math.min(left, _takeAmt);

        MemoryTransactionalSpoutMeta ret = new MemoryTransactionalSpoutMeta(index, toTake);
        for (int i = ret.index; i < ret.index + ret.amt; i++) {
            List<Object> toEmit = new ArrayList<Object>(queue.get(i));
            toEmit.add(0, tx);
            collector.emit(toEmit);
        }
        if (toTake == 0) {
            // this is a pretty hacky way to determine when all the partitions have been committed
            // wait until we've emitted max-spout-pending empty partitions for the partition
            int curr = Utils.get(_emptyPartitions, partition, 0) + 1;
            _emptyPartitions.put(partition, curr);
            if (curr > _maxSpoutPending) {
                getFinishedStatuses().put(partition, true);
            }
        }
        return ret;
    } else {
        return null;
    }
}

开发者ID:kkllwww007，项目名称:jstrom，代码行数:36，代码来源:OpaqueMemoryTransactionalSpout.java

示例17: emitPartitionBatchNew

import backtype.storm.transactional.TransactionAttempt; //导入依赖的package包/类
@Override
public MemoryTransactionalSpoutMeta emitPartitionBatchNew(TransactionAttempt tx, BatchOutputCollector collector, int partition,
        MemoryTransactionalSpoutMeta lastPartitionMeta) {
    int index;
    if (lastPartitionMeta == null) {
        index = 0;
    } else {
        index = lastPartitionMeta.index + lastPartitionMeta.amt;
    }
    List<List<Object>> queue = getQueues().get(partition);
    int total = queue.size();
    int left = total - index;
    int toTake = Math.min(left, _takeAmt);

    MemoryTransactionalSpoutMeta ret = new MemoryTransactionalSpoutMeta(index, toTake);
    emitPartitionBatch(tx, collector, partition, ret);
    if (toTake == 0) {
        // this is a pretty hacky way to determine when all the partitions have been committed
        // wait until we've emitted max-spout-pending empty partitions for the partition
        int curr = Utils.get(_emptyPartitions, partition, 0) + 1;
        _emptyPartitions.put(partition, curr);
        if (curr > _maxSpoutPending) {
            Map<Integer, Boolean> finishedStatuses = getFinishedStatuses();
            // will be null in remote mode
            if (finishedStatuses != null) {
                finishedStatuses.put(partition, true);
            }
        }
    }
    return ret;
}

开发者ID:kkllwww007，项目名称:jstrom，代码行数:32，代码来源:MemoryTransactionalSpout.java

示例18: emitPartitionBatch

import backtype.storm.transactional.TransactionAttempt; //导入依赖的package包/类
@Override
public void emitPartitionBatch(TransactionAttempt tx, BatchOutputCollector collector, int partition, MemoryTransactionalSpoutMeta partitionMeta) {
    List<List<Object>> queue = getQueues().get(partition);
    for (int i = partitionMeta.index; i < partitionMeta.index + partitionMeta.amt; i++) {
        List<Object> toEmit = new ArrayList<Object>(queue.get(i));
        toEmit.add(0, tx);
        collector.emit(toEmit);
    }
}

开发者ID:kkllwww007，项目名称:jstrom，代码行数:10，代码来源:MemoryTransactionalSpout.java

示例19: commit

import backtype.storm.transactional.TransactionAttempt; //导入依赖的package包/类
@Override
public void commit(TransactionAttempt attempt) {
    BigInteger txid = attempt.getTransactionId();
    Map<Integer, Object> metas = _cachedMetas.remove(txid);
    for(Integer partition: metas.keySet()) {
        Object meta = metas.get(partition);
        _partitionStates.get(partition).overrideState(txid, meta);
    }
}

开发者ID:metamx，项目名称:incubator-storm，代码行数:10，代码来源:OpaquePartitionedTransactionalSpoutExecutor.java

示例20: emitPartitionBatch

import backtype.storm.transactional.TransactionAttempt; //导入依赖的package包/类
@Override
public MemoryTransactionalSpoutMeta emitPartitionBatch(TransactionAttempt tx, BatchOutputCollector collector, int partition, MemoryTransactionalSpoutMeta lastPartitionMeta) {
    if(!Boolean.FALSE.equals(getDisabledStatuses().get(partition))) {
        int index;
        if(lastPartitionMeta==null) {
            index = 0;
        } else {
            index = lastPartitionMeta.index + lastPartitionMeta.amt;
        }
        List<List<Object>> queue = getQueues().get(partition);
        int total = queue.size();
        int left = total - index;
        int toTake = Math.min(left, _takeAmt);

        MemoryTransactionalSpoutMeta ret = new MemoryTransactionalSpoutMeta(index, toTake);
        for(int i=ret.index; i < ret.index + ret.amt; i++) {
            List<Object> toEmit = new ArrayList<Object>(queue.get(i));
            toEmit.add(0, tx);
            collector.emit(toEmit);                
        }
        if(toTake==0) {
            // this is a pretty hacky way to determine when all the partitions have been committed
            // wait until we've emitted max-spout-pending empty partitions for the partition
            int curr = Utils.get(_emptyPartitions, partition, 0) + 1;
            _emptyPartitions.put(partition, curr);
            if(curr > _maxSpoutPending) {
                getFinishedStatuses().put(partition, true);
            }
        }
        return ret; 
    } else {
        return null;
    }
}

开发者ID:metamx，项目名称:incubator-storm，代码行数:35，代码来源:OpaqueMemoryTransactionalSpout.java

注：本文中的backtype.storm.transactional.TransactionAttempt类示例整理自Github/MSDocs等源码及文档管理平台，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。

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Java TransactionAttempt类代码示例

示例1: execute

示例2: execute

示例3: emitBatch

示例4: execute

示例5: emitBatch

示例6: execute

示例7: emitPartitionBatch

示例8: emitPartitionBatchNew

示例9: execute

示例10: commit

示例11: emitBatch

示例12: emitPartitionBatch

示例13: emitPartitionBatchNew

示例14: emitPartitionBatch

示例15: commit

示例16: emitPartitionBatch

示例17: emitPartitionBatchNew

示例18: emitPartitionBatch

示例19: commit

示例20: emitPartitionBatch

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