org.apache.flink.table.runtime.util

类 EqualityAndHashcodeProvider

java.lang.Object

org.apache.flink.table.runtime.util.EqualityAndHashcodeProvider

所有已实现的接口:

Closeable, Serializable, AutoCloseable

@Internal
public class EqualityAndHashcodeProvider
extends Object
implements Closeable, Serializable

This class is used for scalar function, in that it is used for sharing the initialization context between scalar functions that need code generated hashcode and equals method.

另请参阅:

序列化表格

构造器概要

构造器

构造器和说明
EqualityAndHashcodeProvider(org.apache.flink.table.functions.SpecializedFunction.SpecializedContext context, org.apache.flink.table.types.DataType dataType)

方法概要

限定符和类型	方法和说明
void	close()
boolean	equals(Object o1, Object o2)
int	hashCode(Object o)
void	open(org.apache.flink.table.functions.FunctionContext context)

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

EqualityAndHashcodeProvider

public EqualityAndHashcodeProvider(org.apache.flink.table.functions.SpecializedFunction.SpecializedContext context,
                                   org.apache.flink.table.types.DataType dataType)

方法详细资料

open

public void open(org.apache.flink.table.functions.FunctionContext context)
          throws Exception

抛出:

Exception

equals

public boolean equals(Object o1,
                      Object o2)

hashCode

public int hashCode(Object o)

close

public void close()
           throws IOException

指定者:

close 在接口中 Closeable

指定者:

close 在接口中 AutoCloseable

抛出:

IOException