Package org.apache.wayang.basic.operators

Class ObjectFileSink<T>

java.lang.Object

org.apache.wayang.core.plan.wayangplan.OperatorBase

org.apache.wayang.core.plan.wayangplan.UnarySink<T>

org.apache.wayang.basic.operators.ObjectFileSink<T>

Type Parameters:

T - type of the object to store

All Implemented Interfaces:

Serializable, ActualOperator, ElementaryOperator, Operator

Direct Known Subclasses:

FlinkObjectFileSink, JavaObjectFileSink, SparkObjectFileSink

public class ObjectFileSink<T>
extends UnarySink<T>

This UnarySink writes all incoming data quanta to a Object file.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.wayang.core.plan.wayangplan.OperatorBase

OperatorBase.GsonSerializer

Field Summary

Fields

Modifier and Type	Field	Description
protected final Class<T>	tClass
protected final String	textFileUrl

Fields inherited from class org.apache.wayang.core.plan.wayangplan.OperatorBase

inputSlots, outputSlots, STANDARD_OPERATOR_ARGS

Fields inherited from interface org.apache.wayang.core.plan.wayangplan.Operator

FIRST_EPOCH

Constructor Summary

Constructors

Constructor	Description
ObjectFileSink(String textFileUrl, Class<T> typeClass)	Creates a new instance.
ObjectFileSink(String targetPath, DataSetType<T> type)	Creates a new instance.
ObjectFileSink(ObjectFileSink<T> that)	Creates a copied instance.

Method Summary

Methods inherited from class org.apache.wayang.core.plan.wayangplan.UnarySink

getInput, getType

Methods inherited from class org.apache.wayang.core.plan.wayangplan.OperatorBase

accept, addBroadcastInput, addTargetPlatform, at, collectMappedInputSlots, collectMappedOutputSlots, copy, createCopy, getAllInputs, getAllOutputs, getCardinalityEstimator, getContainer, getEpoch, getName, getOriginal, getSimpleClassName, getTargetPlatforms, isAuxiliary, isSupportingBroadcastInputs, propagateInputCardinality, propagateOutputCardinality, setAuxiliary, setCardinalityEstimator, setContainer, setEpoch, setName, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.wayang.core.plan.wayangplan.ActualOperator

accept

Methods inherited from interface org.apache.wayang.core.plan.wayangplan.ElementaryOperator

createCardinalityEstimator, getCardinalityEstimator, isAuxiliary, setAuxiliary, setCardinalityEstimator

Methods inherited from interface org.apache.wayang.core.plan.wayangplan.Operator

addBroadcastInput, addTargetPlatform, broadcastTo, broadcastTo, collectMappedInputSlots, collectMappedOutputSlots, connectTo, connectTo, getAllInputs, getAllOutputs, getCardinalityPusher, getContainer, getEffectiveOccupant, getEffectiveOccupant, getEpoch, getEstimationContextProperties, getForwards, getInnermostLoop, getInput, getInput, getLoopStack, getName, getNumBroadcastInputs, getNumInputs, getNumOutputs, getNumRegularInputs, getOuterInputSlot, getOutermostInputSlot, getOutermostOutputSlots, getOutput, getOutput, getParent, getTargetPlatforms, isAlternative, isConversion, isElementary, isExecutionOperator, isFeedbackInput, isFeedforwardOutput, isLoopHead, isLoopSubplan, isOwnerOf, isReading, isSink, isSource, isSubplan, isSupportingBroadcastInputs, isUnconnected, propagateInputCardinality, propagateOutputCardinality, propagateOutputCardinality, replaceWith, setContainer, setEpoch, setInput, setName, setOutput

Field Details

textFileUrl

protected final String textFileUrl

tClass

protected final Class<T> tClass

Constructor Details

ObjectFileSink

public ObjectFileSink(String targetPath,
 DataSetType<T> type)

Creates a new instance.

Parameters:

targetPath - URL to file that should be written

type - DataSetType of the incoming data quanta

ObjectFileSink

public ObjectFileSink(String textFileUrl,
 Class<T> typeClass)

Creates a new instance.

Parameters:

textFileUrl - URL to file that should be written

typeClass - Class of incoming data quanta

ObjectFileSink

public ObjectFileSink(ObjectFileSink<T> that)

Creates a copied instance.

Parameters:

that - should be copied