org.apache.flink.table.functions.hive

类 HiveFunctionWrapper<UDFType>

java.lang.Object

org.apache.flink.table.functions.hive.HiveFunctionWrapper<UDFType>

类型参数:

UDFType - The type of UDF.

所有已实现的接口:

Serializable

@Internal
public class HiveFunctionWrapper<UDFType>
extends Object
implements Serializable

A wrapper of Hive functions that instantiate function instances and ser/de functino instance cross process boundary.

另请参阅:

序列化表格

字段概要

字段

限定符和类型	字段和说明
static long	serialVersionUID

构造器概要

构造器

构造器和说明
HiveFunctionWrapper(String className)

方法概要

限定符和类型	方法和说明
UDFType	createFunction() Instantiate a Hive function instance.
String	getClassName() Get class name of the Hive function.
Class<UDFType>	getUDFClass() Get class of the Hive function.

从类继承的方法 java.lang.Object

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

字段详细资料

serialVersionUID

public static final long serialVersionUID

另请参阅:

常量字段值

构造器详细资料

HiveFunctionWrapper

public HiveFunctionWrapper(String className)

方法详细资料

createFunction

public UDFType createFunction()

Instantiate a Hive function instance.

返回:

a Hive function instance

getClassName

public String getClassName()

Get class name of the Hive function.

返回:

class name of the Hive function

getUDFClass

public Class<UDFType> getUDFClass()
                           throws ClassNotFoundException

Get class of the Hive function.

返回:

class of the Hive function

抛出:

ClassNotFoundException - thrown when the class is not found in classpath