org.apache.tez.runtime.api

Interface ProcessorFrameworkInterface

All Known Subinterfaces:

LogicalIOProcessorFrameworkInterface

All Known Implementing Classes:

AbstractLogicalIOProcessor

@InterfaceAudience.Public
public interface ProcessorFrameworkInterface

Represents the Tez framework part of an Processor.

This interface has methods which are used by the Tez framework to control the Processor.

Users are expected to derive from AbstractLogicalIOProcessor

Method Summary

Modifier and Type	Method and Description
void	abort() Indicates Processor to abort.
void	close() Closes the Processor
void	handleEvents(List<Event> processorEvents) Handles user and system generated Events.
void	initialize() Initializes the Processor

Method Detail

initialize

void initialize()
         throws Exception

Initializes the Processor

Throws:

IOException - if an error occurs

Exception

handleEvents

void handleEvents(List<Event> processorEvents)

Handles user and system generated Events.

Parameters:

processorEvents - the list of Events

close

void close()
    throws Exception

Closes the Processor

Throws:

IOException - if an error occurs

Exception

abort

@InterfaceStability.Unstable
void abort()

Indicates Processor to abort. Cleanup can be done.