cascading.flow.hadoop.stream.graph

Class HadoopMapStreamGraph

java.lang.Object

cascading.flow.stream.graph.StreamGraph

cascading.flow.stream.graph.NodeStreamGraph

cascading.flow.hadoop.stream.graph.HadoopMapStreamGraph

public class HadoopMapStreamGraph
extends cascading.flow.stream.graph.NodeStreamGraph

Field Summary

Fields inherited from class cascading.flow.stream.graph.NodeStreamGraph

elementGraph, flowProcess, node, streamedSource

Fields inherited from class cascading.flow.stream.graph.StreamGraph

DOT_FILE_PATH, ERROR_DOT_FILE_NAME

Constructor Summary

Constructors

Constructor and Description
HadoopMapStreamGraph(HadoopFlowProcess flowProcess, cascading.flow.FlowNode node, cascading.tap.Tap source)

Method Summary

Modifier and Type	Method and Description
protected void	buildGraph()
protected cascading.flow.stream.duct.Gate	createCoGroupGate(cascading.pipe.CoGroup element, cascading.flow.stream.graph.IORole role)
protected cascading.flow.stream.duct.Gate	createGroupByGate(cascading.pipe.GroupBy element, cascading.flow.stream.graph.IORole role)
protected cascading.flow.stream.element.GroupingSpliceGate	createNonBlockingJoinGate(cascading.pipe.HashJoin join)
protected cascading.flow.stream.element.SinkStage	createSinkStage(cascading.tap.Tap element)
cascading.flow.stream.element.SourceStage	getStreamedHead()

Methods inherited from class cascading.flow.stream.graph.NodeStreamGraph

createBlockingJoinGate, createBoundaryStage, createHashJoinGate, createMergeStage, findExisting, getProperty, handleDuct, setScopes, setTraps

Methods inherited from class cascading.flow.stream.graph.StreamGraph

addHead, addPath, addPath, addTail, bind, cleanup, createCloseWindow, createFork, createNextFor, createOpenReducingWindow, createOpenWindow, findAllNextFor, findAllPreviousFor, getAllDucts, getHeads, getReversedGraph, getReversedTopologicalOrderIterator, getTails, getTopologicalOrderIterator, ordinalBetween, prepare, printBoundGraph, printBoundGraph, printGraph, printGraph, printGraphError, wrapWithOrdinal

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HadoopMapStreamGraph

public HadoopMapStreamGraph(HadoopFlowProcess flowProcess,
                            cascading.flow.FlowNode node,
                            cascading.tap.Tap source)

Method Detail

getStreamedHead

public cascading.flow.stream.element.SourceStage getStreamedHead()

buildGraph

protected void buildGraph()

createSinkStage

protected cascading.flow.stream.element.SinkStage createSinkStage(cascading.tap.Tap element)

Overrides:

createSinkStage in class cascading.flow.stream.graph.NodeStreamGraph

createCoGroupGate

protected cascading.flow.stream.duct.Gate createCoGroupGate(cascading.pipe.CoGroup element,
                                                            cascading.flow.stream.graph.IORole role)

Specified by:

createCoGroupGate in class cascading.flow.stream.graph.NodeStreamGraph

createGroupByGate

protected cascading.flow.stream.duct.Gate createGroupByGate(cascading.pipe.GroupBy element,
                                                            cascading.flow.stream.graph.IORole role)

Specified by:

createGroupByGate in class cascading.flow.stream.graph.NodeStreamGraph

createNonBlockingJoinGate

protected cascading.flow.stream.element.GroupingSpliceGate createNonBlockingJoinGate(cascading.pipe.HashJoin join)

Overrides:

createNonBlockingJoinGate in class cascading.flow.stream.graph.NodeStreamGraph