org.apache.flink.table.runtime.keyselector

Class BinaryRowKeySelector

java.lang.Object

org.apache.flink.table.runtime.keyselector.BinaryRowKeySelector

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.java.functions.KeySelector<BaseRow,BaseRow>, org.apache.flink.api.java.typeutils.ResultTypeQueryable<BaseRow>, BaseRowKeySelector

public class BinaryRowKeySelector
extends Object
implements BaseRowKeySelector

A KeySelector which will extract key from BaseRow. The key type is BinaryRow.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
BinaryRowKeySelector(BaseRowTypeInfo keyRowType, GeneratedProjection generatedProjection)

Method Summary

Modifier and Type	Method and Description
BaseRow	getKey(BaseRow value)
BaseRowTypeInfo	getProducedType()

Methods inherited from class java.lang.Object

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

Constructor Detail

BinaryRowKeySelector

public BinaryRowKeySelector(BaseRowTypeInfo keyRowType,
                            GeneratedProjection generatedProjection)

Method Detail

getKey

public BaseRow getKey(BaseRow value)
               throws Exception

Specified by:

getKey in interface org.apache.flink.api.java.functions.KeySelector<BaseRow,BaseRow>

Throws:

Exception

getProducedType

public BaseRowTypeInfo getProducedType()

Specified by:

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

Specified by:

getProducedType in interface BaseRowKeySelector