Java ZKGroupTopicDirs类代码示例

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本文整理汇总了Java中kafka.utils.ZKGroupTopicDirs类的典型用法代码示例。如果您正苦于以下问题：Java ZKGroupTopicDirs类的具体用法？Java ZKGroupTopicDirs怎么用？Java ZKGroupTopicDirs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。

ZKGroupTopicDirs类属于kafka.utils包，在下文中一共展示了ZKGroupTopicDirs类的11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: getZookeeperOffsets

import kafka.utils.ZKGroupTopicDirs; //导入依赖的package包/类
private Map<TopicPartition, OffsetAndMetadata> getZookeeperOffsets(ZkUtils client,
                                                                   String topicStr) {
  Map<TopicPartition, OffsetAndMetadata> offsets = new HashMap<>();
  ZKGroupTopicDirs topicDirs = new ZKGroupTopicDirs(groupId, topicStr);
  List<String> partitions = asJavaListConverter(
      client.getChildrenParentMayNotExist(topicDirs.consumerOffsetDir())).asJava();
  for (String partition : partitions) {
    TopicPartition key = new TopicPartition(topicStr, Integer.valueOf(partition));
    Option<String> data = client.readDataMaybeNull(
        topicDirs.consumerOffsetDir() + "/" + partition)._1();
    if (data.isDefined()) {
      Long offset = Long.valueOf(data.get());
      offsets.put(key, new OffsetAndMetadata(offset));
    }
  }
  return offsets;
}

开发者ID:moueimei，项目名称:flume-release-1.7.0，代码行数:18，代码来源:KafkaSource.java

示例2: getZookeeperOffsets

import kafka.utils.ZKGroupTopicDirs; //导入依赖的package包/类
private Map<TopicPartition, OffsetAndMetadata> getZookeeperOffsets(ZkUtils client) {
  Map<TopicPartition, OffsetAndMetadata> offsets = new HashMap<>();
  ZKGroupTopicDirs topicDirs = new ZKGroupTopicDirs(groupId, topicStr);
  List<String> partitions = asJavaListConverter(
      client.getChildrenParentMayNotExist(topicDirs.consumerOffsetDir())).asJava();
  for (String partition : partitions) {
    TopicPartition key = new TopicPartition(topicStr, Integer.valueOf(partition));
    Option<String> data = client.readDataMaybeNull(
        topicDirs.consumerOffsetDir() + "/" + partition)._1();
    if (data.isDefined()) {
      Long offset = Long.valueOf(data.get());
      offsets.put(key, new OffsetAndMetadata(offset));
    }
  }
  return offsets;
}

开发者ID:moueimei，项目名称:flume-release-1.7.0，代码行数:17，代码来源:KafkaChannel.java

示例3: getOffsets

import kafka.utils.ZKGroupTopicDirs; //导入依赖的package包/类
/**
 * @param zkServers Zookeeper server string: host1:port1[,host2:port2,...]
 * @param groupID consumer group to get offsets for
 * @param topic topic to get offsets for
 * @return mapping of (topic and) partition to offset
 */
public static Map<Pair<String,Integer>,Long> getOffsets(String zkServers,
                                                        String groupID,
                                                        String topic) {
  ZKGroupTopicDirs topicDirs = new ZKGroupTopicDirs(groupID, topic);
  Map<Pair<String,Integer>,Long> offsets = new HashMap<>();
  ZkUtils zkUtils = ZkUtils.apply(zkServers, ZK_TIMEOUT_MSEC, ZK_TIMEOUT_MSEC, false);
  try {
    List<?> partitions = JavaConversions.seqAsJavaList(
        zkUtils.getPartitionsForTopics(
          JavaConversions.asScalaBuffer(Collections.singletonList(topic))).head()._2());
    partitions.forEach(partition -> {
      String partitionOffsetPath = topicDirs.consumerOffsetDir() + "/" + partition;
      Option<String> maybeOffset = zkUtils.readDataMaybeNull(partitionOffsetPath)._1();
      Long offset = maybeOffset.isDefined() ? Long.valueOf(maybeOffset.get()) : null;
      offsets.put(new Pair<>(topic, Integer.valueOf(partition.toString())), offset);
    });
  } finally {
    zkUtils.close();
  }
  return offsets;
}

开发者ID:oncewang，项目名称:oryx2，代码行数:28，代码来源:KafkaUtils.java

示例4: setOffsets

import kafka.utils.ZKGroupTopicDirs; //导入依赖的package包/类
/**
 * @param zkServers Zookeeper server string: host1:port1[,host2:port2,...]
 * @param groupID consumer group to update
 * @param offsets mapping of (topic and) partition to offset to push to Zookeeper
 */
@SuppressWarnings("deprecation")
public static void setOffsets(String zkServers,
                              String groupID,
                              Map<Pair<String,Integer>,Long> offsets) {
  ZkUtils zkUtils = ZkUtils.apply(zkServers, ZK_TIMEOUT_MSEC, ZK_TIMEOUT_MSEC, false);
  try {
    offsets.forEach((topicAndPartition, offset) -> {
      ZKGroupTopicDirs topicDirs = new ZKGroupTopicDirs(groupID, topicAndPartition.getFirst());
      int partition = topicAndPartition.getSecond();
      String partitionOffsetPath = topicDirs.consumerOffsetDir() + "/" + partition;
      // TODO replace call below with defaultAcls(false, "") when < 0.10.2 is supported
      zkUtils.updatePersistentPath(partitionOffsetPath,
                                   Long.toString(offset),
                                   ZkUtils$.MODULE$.DefaultAcls(false));
    });
  } finally {
    zkUtils.close();
  }
}

开发者ID:oncewang，项目名称:oryx2，代码行数:25，代码来源:KafkaUtils.java

示例5: getOffsetFromZooKeeper

import kafka.utils.ZKGroupTopicDirs; //导入依赖的package包/类
public static Long getOffsetFromZooKeeper(CuratorFramework curatorClient, String groupId, String topic, int partition) throws Exception {
	ZKGroupTopicDirs topicDirs = new ZKGroupTopicDirs(groupId, topic);
	String path = topicDirs.consumerOffsetDir() + "/" + partition;
	curatorClient.newNamespaceAwareEnsurePath(path).ensure(curatorClient.getZookeeperClient());

	byte[] data = curatorClient.getData().forPath(path);

	if (data == null) {
		return null;
	} else {
		String asString = new String(data, ConfigConstants.DEFAULT_CHARSET);
		if (asString.length() == 0) {
			return null;
		} else {
			try {
				return Long.valueOf(asString);
			}
			catch (NumberFormatException e) {
				LOG.error(
						"The offset in ZooKeeper for group '{}', topic '{}', partition {} is a malformed string: {}",
					groupId, topic, partition, asString);
				return null;
			}
		}
	}
}

开发者ID:axbaretto，项目名称:flink，代码行数:27，代码来源:ZookeeperOffsetHandler.java

示例6: getOffsetFromZooKeeper

import kafka.utils.ZKGroupTopicDirs; //导入依赖的package包/类
public static Long getOffsetFromZooKeeper(CuratorFramework curatorClient, String groupId, String topic, int partition) throws Exception {
	ZKGroupTopicDirs topicDirs = new ZKGroupTopicDirs(groupId, topic);
	String path = topicDirs.consumerOffsetDir() + "/" + partition;
	curatorClient.newNamespaceAwareEnsurePath(path).ensure(curatorClient.getZookeeperClient());
	
	byte[] data = curatorClient.getData().forPath(path);
	
	if (data == null) {
		return null;
	} else {
		String asString = new String(data);
		if (asString.length() == 0) {
			return null;
		} else {
			try {
				return Long.valueOf(asString);
			}
			catch (NumberFormatException e) {
				LOG.error(
						"The offset in ZooKeeper for group '{}', topic '{}', partition {} is a malformed string: {}",
					groupId, topic, partition, asString);
				return null;
			}
		}
	}
}

开发者ID:axbaretto，项目名称:flink，代码行数:27，代码来源:ZookeeperOffsetHandler.java

示例7: setOffsets

import kafka.utils.ZKGroupTopicDirs; //导入依赖的package包/类
public static void setOffsets(String zkOffsetManagement,
                              String groupID,
                              Map<TopicAndPartition, Long> offsets) {
    try (AutoZkClient zkClient = new AutoZkClient(zkOffsetManagement)) {
        offsets.forEach((topicAndPartition, offset) -> {
            ZKGroupTopicDirs topicDirs = new ZKGroupTopicDirs(groupID, topicAndPartition.topic());
            int partition = topicAndPartition.partition();
            String partitionOffsetPath = topicDirs.consumerOffsetDir() + "/" + partition;
            ZkUtils.updatePersistentPath(zkClient, partitionOffsetPath, Long.toString(offset));
            log.info("updating offset path" + partitionOffsetPath + " offset=" + Long.toString(offset));
        });
    }
}

开发者ID:ameyamk，项目名称:spark-streaming-direct-kafka，代码行数:14，代码来源:KafkaManager.java

示例8: getOffsets

import kafka.utils.ZKGroupTopicDirs; //导入依赖的package包/类
public static Map<TopicAndPartition, Long> getOffsets(String zkKafkaServers,
                                                      String zkOffSetManager,
                                                      String groupID,
                                                      String topic,
                                                      Map<String, String> kafkaParams) {
    ZKGroupTopicDirs topicDirs = new ZKGroupTopicDirs(groupID, topic);
    Map<TopicAndPartition, Long> offsets = new HashMap<>();

    AutoZkClient zkKafkaClient = new AutoZkClient(zkKafkaServers);
    AutoZkClient zkOffsetManagerClient = new AutoZkClient(zkOffSetManager);

    List<?> partitions = JavaConversions.seqAsJavaList(
            ZkUtils.getPartitionsForTopics(
                    zkKafkaClient,
                    JavaConversions.asScalaBuffer(Collections.singletonList(topic))).head()._2());
    partitions.forEach(partition -> {
        String partitionOffsetPath = topicDirs.consumerOffsetDir() + "/" + partition;
        log.info("Offset location, zookeeper path=" + partitionOffsetPath);
        Option<String> maybeOffset = ZkUtils.readDataMaybeNull(zkOffsetManagerClient, partitionOffsetPath)._1();
        Long offset = maybeOffset.isDefined() ? Long.parseLong(maybeOffset.get()) : null;
        TopicAndPartition topicAndPartition = new TopicAndPartition(topic, Integer.parseInt(partition.toString()));
        offsets.put(topicAndPartition, offset);
    });

    fillInLatestOffsets(offsets, kafkaParams); // in case offsets are blank for any partition
    return offsets;
}

开发者ID:ameyamk，项目名称:spark-streaming-direct-kafka，代码行数:28，代码来源:KafkaManager.java

示例9: setOffsetInZooKeeper

import kafka.utils.ZKGroupTopicDirs; //导入依赖的package包/类
public static void setOffsetInZooKeeper(CuratorFramework curatorClient, String groupId, String topic, int partition, long offset) throws Exception {
	ZKGroupTopicDirs topicDirs = new ZKGroupTopicDirs(groupId, topic);
	String path = topicDirs.consumerOffsetDir() + "/" + partition;
	curatorClient.newNamespaceAwareEnsurePath(path).ensure(curatorClient.getZookeeperClient());
	byte[] data = Long.toString(offset).getBytes(ConfigConstants.DEFAULT_CHARSET);
	curatorClient.setData().forPath(path, data);
}

开发者ID:axbaretto，项目名称:flink，代码行数:8，代码来源:ZookeeperOffsetHandler.java

示例10: setOffsetInZooKeeper

import kafka.utils.ZKGroupTopicDirs; //导入依赖的package包/类
public static void setOffsetInZooKeeper(CuratorFramework curatorClient, String groupId, String topic, int partition, long offset) throws Exception {
	ZKGroupTopicDirs topicDirs = new ZKGroupTopicDirs(groupId, topic);
	String path = topicDirs.consumerOffsetDir() + "/" + partition;
	curatorClient.newNamespaceAwareEnsurePath(path).ensure(curatorClient.getZookeeperClient());
	byte[] data = Long.toString(offset).getBytes();
	curatorClient.setData().forPath(path, data);
}

开发者ID:axbaretto，项目名称:flink，代码行数:8，代码来源:ZookeeperOffsetHandler.java

示例11: getConsumerPartitionStream

import kafka.utils.ZKGroupTopicDirs; //导入依赖的package包/类
private Stream<ConsumerPartitionVO> getConsumerPartitionStream(String groupId,
                                                               String topicName,
                                                               TopicVO topicOpt)
{
   ZKGroupTopicDirs groupTopicDirs = new ZKGroupTopicDirs(groupId, topicName);

   if (topicOpt == null || topicOpt.getName().equals(topicName))
   {
      topicOpt = getTopic(topicName).orElse(null);
   }

   if (topicOpt != null)
   {
      final TopicVO topic = topicOpt;

      Map<Integer, Long> consumerOffsets = getConsumerOffsets(groupId, topic);

      return topic.getPartitions().stream()
         .map(partition -> {
            int partitionId = partition.getId();

            final ConsumerPartitionVO consumerPartition = new ConsumerPartitionVO(groupId, topicName, partitionId);
            consumerPartition.setOwner(
               Optional.ofNullable(
                  consumerTreeCache.getCurrentData(groupTopicDirs.consumerOwnerDir() + "/" + partitionId))
                  .map(data -> new String(data.getData()))
                  .orElse(null));

            consumerPartition.setOffset(consumerOffsets.getOrDefault(partitionId, -1L));

            final Optional<TopicPartitionVO> topicPartition = topic.getPartition(partitionId);
            consumerPartition.setSize(topicPartition.map(TopicPartitionVO::getSize).orElse(-1L));
            consumerPartition.setFirstOffset(topicPartition.map(TopicPartitionVO::getFirstOffset).orElse(-1L));

            return consumerPartition;
         });
   }
   else
   {
      return Stream.empty();
   }
}

开发者ID:HomeAdvisor，项目名称:Kafdrop，代码行数:43，代码来源:CuratorKafkaMonitor.java

注：本文中的kafka.utils.ZKGroupTopicDirs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。