com.bigdata.bop.engine

Interface IStartOpMessage

All Superinterfaces:

IOpLifeCycleMessage, IOpMessage, Serializable

All Known Implementing Classes:

StartOpMessage

public interface IStartOpMessage
extends IOpLifeCycleMessage

A message sent to the IQueryClient when an operator begins executing for some chunk of inputs (an operator on a node against a shard for some binding set chunks generated by downstream operator(s)).

Version:

$Id$

Author:

Bryan Thompson

Method Summary

Methods

Modifier and Type	Method and Description
int	getChunkMessageCount() The #of IChunkMessage accepted as the input for the operator.

Methods inherited from interface com.bigdata.bop.engine.IOpLifeCycleMessage

getServiceId

Methods inherited from interface com.bigdata.bop.engine.IOpMessage

getBOpId, getPartitionId, getQueryId

Method Detail

getChunkMessageCount

int getChunkMessageCount()

The #of IChunkMessage accepted as the input for the operator.

Note: This should be ONE (1) unless IChunkMessage are being combined for the operator.