org.apache.flink.table.runtime.keyselector

类 BinaryRowKeySelector

java.lang.Object

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

所有已实现的接口:

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.

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
BinaryRowKeySelector(BaseRowTypeInfo keyRowType, GeneratedProjection generatedProjection)

方法概要

限定符和类型	方法和说明
BaseRow	getKey(BaseRow value)
BaseRowTypeInfo	getProducedType()

从类继承的方法 java.lang.Object

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

构造器详细资料

BinaryRowKeySelector

public BinaryRowKeySelector(BaseRowTypeInfo keyRowType,
                            GeneratedProjection generatedProjection)

方法详细资料

getKey

public BaseRow getKey(BaseRow value)
               throws Exception

指定者:

getKey 在接口中 org.apache.flink.api.java.functions.KeySelector<BaseRow,BaseRow>

抛出:

Exception

getProducedType

public BaseRowTypeInfo getProducedType()

指定者:

getProducedType 在接口中 org.apache.flink.api.java.typeutils.ResultTypeQueryable<BaseRow>

指定者:

getProducedType 在接口中 BaseRowKeySelector