Package org.apache.storm.testing
Class PythonShellMetricsSpout
java.lang.Object
org.apache.storm.spout.ShellSpout
org.apache.storm.testing.PythonShellMetricsSpout
- All Implemented Interfaces:
- Serializable,- ISpout,- IComponent,- IRichSpout
- See Also:
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Field SummaryFields inherited from class org.apache.storm.spout.ShellSpoutLOG
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Constructor SummaryConstructorsConstructorDescriptionPythonShellMetricsSpout(String[] command) PythonShellMetricsSpout(String command, String file) 
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Method SummaryModifier and TypeMethodDescriptionvoiddeclareOutputFields(OutputFieldsDeclarer declarer) Declare the output schema for all the streams of this topology.Declare configuration specific to this component.voidopen(Map<String, Object> conf, TopologyContext context, SpoutOutputCollector collector) Called when a task for this component is initialized within a worker on the cluster.Methods inherited from class org.apache.storm.spout.ShellSpoutack, activate, changeChildCWD, close, deactivate, fail, nextTuple, setEnv, shouldChangeChildCWD
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Constructor Details- 
PythonShellMetricsSpout
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PythonShellMetricsSpout
 
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Method Details- 
openDescription copied from interface:ISpoutCalled when a task for this component is initialized within a worker on the cluster. It provides the spout with the environment in which the spout executes.This includes the: - Specified by:
- openin interface- ISpout
- Overrides:
- openin class- ShellSpout
- Parameters:
- conf- The Storm configuration for this spout. This is the configuration provided to the topology merged in with cluster configuration on this machine.
- context- This object can be used to get information about this task's place within the topology, including the task id and component id of this task, input and output information, etc.
- collector- The collector is used to emit tuples from this spout. Tuples can be emitted at any time, including the open and close methods. The collector is thread-safe and should be saved as an instance variable of this spout object.
 
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declareOutputFieldsDescription copied from interface:IComponentDeclare the output schema for all the streams of this topology.- Specified by:
- declareOutputFieldsin interface- IComponent
- Parameters:
- declarer- this is used to declare output stream ids, output fields, and whether or not each output stream is a direct stream
 
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getComponentConfigurationDescription copied from interface:IComponentDeclare configuration specific to this component. Only a subset of the "topology.*" configs can be overridden. The component configuration can be further overridden when constructing the topology usingTopologyBuilder- Specified by:
- getComponentConfigurationin interface- IComponent
 
 
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