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org.apache.samza.zk.ZkUtils.subscribeToProcessorChange()方法的使用及代码示例

转载 作者:知者 更新时间:2024-03-14 23:13:31 25 4
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本文整理了Java中org.apache.samza.zk.ZkUtils.subscribeToProcessorChange()方法的一些代码示例,展示了ZkUtils.subscribeToProcessorChange()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。ZkUtils.subscribeToProcessorChange()方法的具体详情如下:
包路径:org.apache.samza.zk.ZkUtils
类名称:ZkUtils
方法名:subscribeToProcessorChange

ZkUtils.subscribeToProcessorChange介绍

[英]subscribe to the changes in the list of processors in ZK
[中]订阅ZK中处理器列表中的更改

代码示例

代码示例来源:origin: org.apache.samza/samza-core

@Override
 public void onBecomingLeader() {
  LOG.info("ZkJobCoordinator::onBecomeLeader - I became the leader");
  metrics.isLeader.set(true);
  zkUtils.subscribeToProcessorChange(new ProcessorChangeHandler(zkUtils));
  debounceTimer.scheduleAfterDebounceTime(ON_PROCESSOR_CHANGE, debounceTimeMs, () -> {
    // actual actions to do are the same as onProcessorChange
    doOnProcessorChange(new ArrayList<>());
   });
 }
}

代码示例来源:origin: org.apache.samza/samza-core_2.12

@Override
 public void onBecomingLeader() {
  LOG.info("ZkJobCoordinator::onBecomeLeader - I became the leader");
  metrics.isLeader.set(true);
  zkUtils.subscribeToProcessorChange(new ProcessorChangeHandler(zkUtils));
  debounceTimer.scheduleAfterDebounceTime(ON_PROCESSOR_CHANGE, debounceTimeMs, () -> {
    // actual actions to do are the same as onProcessorChange
    doOnProcessorChange(new ArrayList<>());
   });
 }
}

代码示例来源:origin: org.apache.samza/samza-core_2.11

@Override
 public void onBecomingLeader() {
  LOG.info("ZkJobCoordinator::onBecomeLeader - I became the leader");
  metrics.isLeader.set(true);
  zkUtils.subscribeToProcessorChange(new ProcessorChangeHandler(zkUtils));
  debounceTimer.scheduleAfterDebounceTime(ON_PROCESSOR_CHANGE, debounceTimeMs, () -> {
    // actual actions to do are the same as onProcessorChange
    doOnProcessorChange(new ArrayList<>());
   });
 }
}

代码示例来源:origin: org.apache.samza/samza-core_2.10

@Override
 public void onBecomingLeader() {
  LOG.info("ZkJobCoordinator::onBecomeLeader - I became the leader");
  metrics.isLeader.set(true);
  zkUtils.subscribeToProcessorChange(new ProcessorChangeHandler(zkUtils));
  debounceTimer.scheduleAfterDebounceTime(ON_PROCESSOR_CHANGE, debounceTimeMs, () -> {
    // actual actions to do are the same as onProcessorChange
    doOnProcessorChange(new ArrayList<>());
   });
 }
}

代码示例来源:origin: apache/samza

@Override
 public void onBecomingLeader() {
  LOG.info("ZkJobCoordinator::onBecomeLeader - I became the leader");
  metrics.isLeader.set(true);
  zkUtils.subscribeToProcessorChange(new ProcessorChangeHandler(zkUtils));
  if (!new StorageConfig(config).hasDurableStores()) {
   // 1. Stop if there's a existing StreamPartitionCountMonitor running.
   if (streamPartitionCountMonitor != null) {
    streamPartitionCountMonitor.stop();
   }
   // 2. Start a new instance of StreamPartitionCountMonitor.
   streamPartitionCountMonitor = getPartitionCountMonitor();
   streamPartitionCountMonitor.start();
  }
  debounceTimer.scheduleAfterDebounceTime(ON_PROCESSOR_CHANGE, debounceTimeMs, ZkJobCoordinator.this::doOnProcessorChange);
 }
}

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