com.bigdata.service

Interface IFederationCallable

All Superinterfaces:

Serializable

All Known Subinterfaces:

IDataServiceCallable

All Known Implementing Classes:

AbstractStepTask, DataServiceCallable, FederationCallable, JoinTaskFactoryTask, ListIndicesTask, MoveTask.ReceiveIndexPartitionTask, MutationTask, ProgramTask, QueryTask

public interface IFederationCallable
extends Serializable

Interface for Callables which require access to the IBigdataFederation when running on an IRemoteExecutor.

Version:

$Id$

Author:

Bryan Thompson

Method Summary

Methods

Modifier and Type	Method and Description
IBigdataFederation<?>	getFederation() Return the IBigdataFederation reference.
void	setFederation(IBigdataFederation<?> fed) Invoked before the task is executed to provide a reference to the IBigdataFederation for the service on which the task is executing.

Method Detail

setFederation

void setFederation(IBigdataFederation<?> fed)

Invoked before the task is executed to provide a reference to the IBigdataFederation for the service on which the task is executing.

Parameters:

fed - The federation.

Throws:

IllegalArgumentException - if the argument is null

IllegalStateException - if setFederation(IBigdataFederation) has already been invoked and was set with a different value.

getFederation

IBigdataFederation<?> getFederation()

Return the IBigdataFederation reference.

Returns:

The federation and never null.

Throws:

IllegalStateException - if setFederation(IBigdataFederation) has not been invoked.