Storm-源码分析-Topology Submit-Task-TopologyContext (backtype.storm.task)
1. GeneralTopologyContext 记录了Topology的基本信息, 包含StormTopology, StormConf 已经从他们推导出的, task和component, component的streams, input/output信息 public class GeneralTopologyContext implements JSONAware { private StormTopology _topology; private Map<Integer, String> _taskToComponent; private Map<String, List<Integer>> _componentToTasks; private Map<String, Map<String, Fields>> _componentToStreamToFields; //ComponentCommon.streams, map<string, StreamInfo> private String _sto...