com.aliyun.odps.udf

Interface ContextFunction

All Known Implementing Classes:

Aggregator, StandaloneUDTF, UDF, UDTF

public interface ContextFunction

拥有 ExecutionContext的一类自定义函数。

Method Summary

Modifier and Type	Method and Description
void	close()
void	setup(ExecutionContext ctx)

Method Detail

setup

void setup(ExecutionContext ctx)
    throws UDFException,
           IOException

Throws:

UDFException

IOException

close

void close()
    throws UDFException,
           IOException

Throws:

UDFException

IOException