Package org.apache.wayang.flink.compiler.criterion

Class DummyMap<InputType,OutputType>

java.lang.Object

org.apache.wayang.flink.compiler.criterion.DummyMap<InputType,OutputType>

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.MapFunction<InputType,OutputType>, org.apache.flink.api.java.typeutils.ResultTypeQueryable<OutputType>

public class DummyMap<InputType,OutputType>
extends Object
implements org.apache.flink.api.common.functions.MapFunction<InputType,OutputType>, org.apache.flink.api.java.typeutils.ResultTypeQueryable<OutputType>

Class create a that genereta only null as convertion

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
final Class<InputType>	inputTypeClass
final Class<OutputType>	outputTypeClass

Constructor Summary

Constructors

Constructor	Description
DummyMap(Class<InputType> inputTypeClass, Class<OutputType> outputTypeClass)

Method Summary

Modifier and Type	Method	Description
org.apache.flink.api.common.typeinfo.TypeInformation<OutputType>	getProducedType()
OutputType	map(InputType inputType)

Methods inherited from class java.lang.Object

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

Field Details

inputTypeClass

public final Class<InputType> inputTypeClass

outputTypeClass

public final Class<OutputType> outputTypeClass

Constructor Details

DummyMap

public DummyMap(Class<InputType> inputTypeClass,
 Class<OutputType> outputTypeClass)

Method Details

map

public OutputType map(InputType inputType)
               throws Exception

Specified by:

map in interface org.apache.flink.api.common.functions.MapFunction<InputType,OutputType>

Throws:

Exception

getProducedType

public org.apache.flink.api.common.typeinfo.TypeInformation<OutputType> getProducedType()

Specified by:

getProducedType in interface org.apache.flink.api.java.typeutils.ResultTypeQueryable<InputType>