本文整理了Java中backtype.storm.task.TopologyContext.getSources()方法的一些代码示例，展示了TopologyContext.getSources()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。TopologyContext.getSources()方法的具体详情如下：
包路径：backtype.storm.task.TopologyContext
类名称：TopologyContext
方法名：getSources

TopologyContext.getSources介绍

[英]Gets the declared inputs to the specified component.
[中]获取指定组件的声明输入。

代码示例

代码示例来源：origin: alibaba/jstorm

/**
 * Gets the declared inputs to this component.
 *
 * @return A map from subscribed component/stream to the grouping subscribed with.
 */
public Map<GlobalStreamId, Grouping> getThisSources() {
  return getSources(getThisComponentId());
}

代码示例来源：origin: alibaba/mdrill

/**
 * Gets the declared inputs to this component.
 * 
 * @return A map from subscribed component/stream to the grouping subscribed with.
 */
public Map<GlobalStreamId, Grouping> getThisSources() {
  return getSources(getThisComponentId());
}

代码示例来源：origin: alibaba/jstorm

@Override
public void prepare(Map stormConf, TopologyContext context, OutputCollector collector) {
  createState(context);
  prepare(stormConf, context, collector, keyRangeState);
  
  Map<GlobalStreamId, Grouping> sources = context.getSources(context.getThisComponentId());
  for (Map.Entry<GlobalStreamId, Grouping> entry : sources.entrySet()) {
    GlobalStreamId stream = entry.getKey();
    Grouping grouping = entry.getValue();
    Grouping._Fields groupingFields = Thrift.groupingType(grouping);
    if (Grouping._Fields.FIELDS.equals(groupingFields)) {
      Fields fields = new Fields(Thrift.fieldGrouping(grouping));
      fieldGrouping.put(stream.get_streamId(), fields);
    }
  }
  LOG.info("Source fieldgrouping streams: {}", fieldGrouping);
}

代码示例来源：origin: com.n3twork.storm/storm-core

/**
 * Gets the declared inputs to this component.
 * 
 * @return A map from subscribed component/stream to the grouping subscribed with.
 */
public Map<GlobalStreamId, Grouping> getThisSources() {
  return getSources(getThisComponentId());
}

代码示例来源：origin: com.alibaba.jstorm/jstorm-core

/**
 * Gets the declared inputs to this component.
 * 
 * @return A map from subscribed component/stream to the grouping subscribed with.
 */
public Map<GlobalStreamId, Grouping> getThisSources() {
  return getSources(getThisComponentId());
}