org.apache.flink.streaming.python.api.functions

Class AbstractPythonUDF<F extends org.apache.flink.api.common.functions.Function>

java.lang.Object

org.apache.flink.api.common.functions.AbstractRichFunction

org.apache.flink.streaming.python.api.functions.AbstractPythonUDF<F>

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.functions.Function, org.apache.flink.api.common.functions.RichFunction

Direct Known Subclasses:

PythonApplyFunction, PythonFilterFunction, PythonFlatMapFunction, PythonGeneratorFunction, PythonMapFunction, PythonSinkFunction

public class AbstractPythonUDF<F extends org.apache.flink.api.common.functions.Function>
extends org.apache.flink.api.common.functions.AbstractRichFunction

Generic base-class for wrappers of python functions implenting the Function interface.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected F	fun
protected org.slf4j.Logger	log

Method Summary

Modifier and Type	Method and Description
void	close()
void	open(org.apache.flink.configuration.Configuration parameters)

Methods inherited from class org.apache.flink.api.common.functions.AbstractRichFunction

getIterationRuntimeContext, getRuntimeContext, setRuntimeContext

Methods inherited from class java.lang.Object

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

Field Detail

log

protected org.slf4j.Logger log

fun

protected transient F extends org.apache.flink.api.common.functions.Function fun

Method Detail

open

public void open(org.apache.flink.configuration.Configuration parameters)
          throws Exception

Specified by:

open in interface org.apache.flink.api.common.functions.RichFunction

Overrides:

open in class org.apache.flink.api.common.functions.AbstractRichFunction

Throws:

Exception

close

public void close()
           throws Exception

Specified by:

close in interface org.apache.flink.api.common.functions.RichFunction

Overrides:

close in class org.apache.flink.api.common.functions.AbstractRichFunction

Throws:

Exception