cascading.flow.tez.stream.element

Class TezBoundaryStage

java.lang.Object

cascading.flow.stream.duct.Duct<Incoming,Outgoing>

cascading.flow.stream.duct.Stage<Incoming,Outgoing>

cascading.flow.stream.element.BoundaryStage<cascading.tuple.TupleEntry,cascading.tuple.TupleEntry>

cascading.flow.tez.stream.element.TezBoundaryStage

All Implemented Interfaces:

cascading.flow.stream.element.ElementDuct, cascading.flow.stream.element.InputSource

public class TezBoundaryStage
extends cascading.flow.stream.element.BoundaryStage<cascading.tuple.TupleEntry,cascading.tuple.TupleEntry>
implements cascading.flow.stream.element.InputSource

Field Summary

Fields

Modifier and Type	Field and Description
protected org.apache.tez.runtime.api.LogicalInput	logicalInput
protected java.util.Collection<org.apache.tez.runtime.api.LogicalOutput>	logicalOutputs

Fields inherited from class cascading.flow.stream.element.BoundaryStage

boundary, flowProcess, incomingScopes, outgoingScopes, role

Fields inherited from class cascading.flow.stream.duct.Duct

next

Constructor Summary

Constructors

Constructor and Description
TezBoundaryStage(cascading.flow.FlowProcess flowProcess, cascading.pipe.Boundary boundary, cascading.flow.stream.graph.IORole role, java.util.Collection<org.apache.tez.runtime.api.LogicalOutput> logicalOutputs)
TezBoundaryStage(cascading.flow.FlowProcess flowProcess, cascading.pipe.Boundary boundary, cascading.flow.stream.graph.IORole role, org.apache.tez.runtime.api.LogicalInput logicalInput)

Method Summary

Modifier and Type	Method and Description
void	bind(cascading.flow.stream.graph.StreamGraph streamGraph)
void	complete(cascading.flow.stream.duct.Duct previous)
protected org.apache.hadoop.mapred.OutputCollector	createOutputCollector()
void	initialize()
protected java.lang.Throwable	map()
void	prepare()
void	receive(cascading.flow.stream.duct.Duct previous, int ordinal, cascading.tuple.TupleEntry incomingEntry)
void	run(java.lang.Object input)
void	start(cascading.flow.stream.duct.Duct previous)

Methods inherited from class cascading.flow.stream.element.BoundaryStage

getBoundary, getBranchNames, getFlowElement, getIncomingScopes, getOutgoingScopes, handleException, handleReThrowableException, hasTrapHandler, setBranchNames, setTrapHandler

Methods inherited from class cascading.flow.stream.duct.Duct

cleanup, getNext, getNextFor, receiveFirst, toString

Methods inherited from class java.lang.Object

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

Field Detail

logicalOutputs

protected java.util.Collection<org.apache.tez.runtime.api.LogicalOutput> logicalOutputs

logicalInput

protected org.apache.tez.runtime.api.LogicalInput logicalInput

Constructor Detail

TezBoundaryStage

public TezBoundaryStage(cascading.flow.FlowProcess flowProcess,
                        cascading.pipe.Boundary boundary,
                        cascading.flow.stream.graph.IORole role,
                        java.util.Collection<org.apache.tez.runtime.api.LogicalOutput> logicalOutputs)

TezBoundaryStage

public TezBoundaryStage(cascading.flow.FlowProcess flowProcess,
                        cascading.pipe.Boundary boundary,
                        cascading.flow.stream.graph.IORole role,
                        org.apache.tez.runtime.api.LogicalInput logicalInput)

Method Detail

initialize

public void initialize()

Overrides:

initialize in class cascading.flow.stream.element.BoundaryStage<cascading.tuple.TupleEntry,cascading.tuple.TupleEntry>

bind

public void bind(cascading.flow.stream.graph.StreamGraph streamGraph)

Overrides:

bind in class cascading.flow.stream.duct.Duct<cascading.tuple.TupleEntry,cascading.tuple.TupleEntry>

prepare

public void prepare()

Overrides:

prepare in class cascading.flow.stream.duct.Duct<cascading.tuple.TupleEntry,cascading.tuple.TupleEntry>

start

public void start(cascading.flow.stream.duct.Duct previous)

Overrides:

start in class cascading.flow.stream.duct.Duct<cascading.tuple.TupleEntry,cascading.tuple.TupleEntry>

receive

public void receive(cascading.flow.stream.duct.Duct previous,
                    int ordinal,
                    cascading.tuple.TupleEntry incomingEntry)

Overrides:

receive in class cascading.flow.stream.duct.Stage<cascading.tuple.TupleEntry,cascading.tuple.TupleEntry>

complete

public void complete(cascading.flow.stream.duct.Duct previous)

Overrides:

complete in class cascading.flow.stream.duct.Duct<cascading.tuple.TupleEntry,cascading.tuple.TupleEntry>

run

public void run(java.lang.Object input)
         throws java.lang.Throwable

Specified by:

run in interface cascading.flow.stream.element.InputSource

Throws:

java.lang.Throwable

map

protected java.lang.Throwable map()
                           throws java.lang.Exception

Throws:

java.lang.Exception

createOutputCollector

protected org.apache.hadoop.mapred.OutputCollector createOutputCollector()