org.apache.pig.backend.hadoop.executionengine.tez.plan.operator

Class POValueOutputTez

java.lang.Object

org.apache.pig.impl.plan.Operator<PhyPlanVisitor>

org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator

org.apache.pig.backend.hadoop.executionengine.tez.plan.operator.POValueOutputTez

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, java.lang.Comparable<Operator>, TezOutput, TezTaskConfigurable, Illustrable

public class POValueOutputTez
extends PhysicalOperator
implements TezOutput, TezTaskConfigurable

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	POValueOutputTez.EmptyWritable

Nested classes/interfaces inherited from class org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator

PhysicalOperator.OriginalLocation

Field Summary

Fields

Modifier and Type	Field and Description
static POValueOutputTez.EmptyWritable	EMPTY_KEY

Fields inherited from class org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator

alias, illustrator, input, inputAttached, inputs, lineageTracer, outputs, parentPlan, pigLogger, reporter, requestedParallelism, res, RESULT_EMPTY, RESULT_EOP, resultType

Fields inherited from class org.apache.pig.impl.plan.Operator

mKey

Constructor Summary

Constructors

Constructor and Description
POValueOutputTez(OperatorKey k)

Method Summary

Methods

Modifier and Type	Method and Description
void	addOutputKey(java.lang.String outputKey)
void	attachOutputs(java.util.Map<java.lang.String,LogicalOutput> outputs, org.apache.hadoop.conf.Configuration conf)
boolean	containsOutputKey(java.lang.String outputKey)
Result	getNextTuple()
java.lang.String[]	getTezOutputs()
Tuple	illustratorMarkup(java.lang.Object in, java.lang.Object out, int eqClassIndex) input tuple mark up to be illustrate-able
void	initialize(ProcessorContext processorContext)
boolean	isTaskIndexWithRecordIndexAsKey()
java.lang.String	name()
void	removeOutputKey(java.lang.String outputKey)
void	replaceOutput(java.lang.String oldOutputKey, java.lang.String newOutputKey)
void	setTaskIndexWithRecordIndexAsKey(boolean taskIndexWithRecordIndexAsKey)
boolean	supportsMultipleInputs() Indicates whether this operator supports multiple inputs.
boolean	supportsMultipleOutputs() Indicates whether this operator supports multiple outputs.
void	visit(PhyPlanVisitor v) Visit this node with the provided visitor.

Methods inherited from class org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator

addOriginalLocation, addOriginalLocation, attachInput, clone, cloneHelper, copyAliasFrom, detachInput, getAlias, getAliasString, getIllustrator, getInputs, getLogger, getNext, getNextBigDecimal, getNextBigInteger, getNextBoolean, getNextDataBag, getNextDataByteArray, getNextDateTime, getNextDouble, getNextFloat, getNextInteger, getNextLong, getNextMap, getNextString, getOriginalLocations, getPigLogger, getReporter, getRequestedParallelism, getResultType, isAccumStarted, isAccumulative, isBlocking, isInputAttached, processInput, reset, setAccumEnd, setAccumStart, setAccumulative, setIllustrator, setInputs, setParentPlan, setPigLogger, setReporter, setRequestedParallelism, setResultType, staticDataCleanup

Methods inherited from class org.apache.pig.impl.plan.Operator

compareTo, equals, getOperatorKey, getProjectionMap, hashCode, regenerateProjectionMap, rewire, toString, unsetProjectionMap

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

EMPTY_KEY

public static POValueOutputTez.EmptyWritable EMPTY_KEY

Constructor Detail

POValueOutputTez

public POValueOutputTez(OperatorKey k)

Method Detail

isTaskIndexWithRecordIndexAsKey

public boolean isTaskIndexWithRecordIndexAsKey()

setTaskIndexWithRecordIndexAsKey

public void setTaskIndexWithRecordIndexAsKey(boolean taskIndexWithRecordIndexAsKey)

initialize

public void initialize(ProcessorContext processorContext)
                throws ExecException

Specified by:

initialize in interface TezTaskConfigurable

Throws:

ExecException

getTezOutputs

public java.lang.String[] getTezOutputs()

Specified by:

getTezOutputs in interface TezOutput

replaceOutput

public void replaceOutput(java.lang.String oldOutputKey,
                 java.lang.String newOutputKey)

Specified by:

replaceOutput in interface TezOutput

attachOutputs

public void attachOutputs(java.util.Map<java.lang.String,LogicalOutput> outputs,
                 org.apache.hadoop.conf.Configuration conf)
                   throws ExecException

Specified by:

attachOutputs in interface TezOutput

Throws:

ExecException

addOutputKey

public void addOutputKey(java.lang.String outputKey)

removeOutputKey

public void removeOutputKey(java.lang.String outputKey)

containsOutputKey

public boolean containsOutputKey(java.lang.String outputKey)

getNextTuple

public Result getNextTuple()
                    throws ExecException

Overrides:

getNextTuple in class PhysicalOperator

Throws:

ExecException

illustratorMarkup

public Tuple illustratorMarkup(java.lang.Object in,
                      java.lang.Object out,
                      int eqClassIndex)

Description copied from interface: Illustrable

input tuple mark up to be illustrate-able

Specified by:

illustratorMarkup in interface Illustrable

Parameters:

in - input tuple

out - output tuple before wrapped in ExampleTuple

eqClassIndex - index into equivalence classes in illustrator

Returns:

tuple

visit

public void visit(PhyPlanVisitor v)
           throws VisitorException

Description copied from class: Operator

Visit this node with the provided visitor. This should only be called by the visitor class itself, never directly.

Specified by:

visit in class PhysicalOperator

Parameters:

v - Visitor to visit with.

Throws:

VisitorException - if the visitor has a problem.

supportsMultipleInputs

public boolean supportsMultipleInputs()

Description copied from class: Operator

Indicates whether this operator supports multiple inputs.

Specified by:

supportsMultipleInputs in class Operator<PhyPlanVisitor>

Returns:

true if it does, otherwise false.

supportsMultipleOutputs

public boolean supportsMultipleOutputs()

Description copied from class: Operator

Indicates whether this operator supports multiple outputs.

Specified by:

supportsMultipleOutputs in class Operator<PhyPlanVisitor>

Returns:

true if it does, otherwise false.

name

public java.lang.String name()

Specified by:

name in class Operator<PhyPlanVisitor>