org.apache.flink.table.runtime.keyselector

Class BinaryRowDataKeySelector

java.lang.Object

org.apache.flink.table.runtime.keyselector.BinaryRowDataKeySelector

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.java.functions.KeySelector<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>, org.apache.flink.api.java.typeutils.ResultTypeQueryable<org.apache.flink.table.data.RowData>, RowDataKeySelector

public class BinaryRowDataKeySelector
extends Object
implements RowDataKeySelector

A KeySelector which will extract key from RowData. The key type is BinaryRowData.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
BinaryRowDataKeySelector(RowDataTypeInfo keyRowType, GeneratedProjection generatedProjection)

Method Summary

Modifier and Type	Method and Description
org.apache.flink.table.data.RowData	getKey(org.apache.flink.table.data.RowData value)
RowDataTypeInfo	getProducedType()

Methods inherited from class java.lang.Object

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

Constructor Detail

BinaryRowDataKeySelector

public BinaryRowDataKeySelector(RowDataTypeInfo keyRowType,
                                GeneratedProjection generatedProjection)

Method Detail

getKey

public org.apache.flink.table.data.RowData getKey(org.apache.flink.table.data.RowData value)
                                           throws Exception

Specified by:

getKey in interface org.apache.flink.api.java.functions.KeySelector<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>

Throws:

Exception

getProducedType

public RowDataTypeInfo getProducedType()

Specified by:

getProducedType in interface org.apache.flink.api.java.typeutils.ResultTypeQueryable<org.apache.flink.table.data.RowData>

Specified by:

getProducedType in interface RowDataKeySelector