com.bigdata.service
Interface IFederationCallable

All Superinterfaces:

Serializable

All Known Subinterfaces:

IDataServiceCallable

All Known Implementing Classes:

AbstractAsynchronousClientTask, AbstractClientTask, AbstractStepTask, AggregatorTask, DataServiceCallable, DumpFederation.FetchIndexPartitionByteCountRecordTask, FederationCallable, JoinTaskFactoryTask, ListIndicesTask, MappedRDFFileLoadTask, MoveTask.ReceiveIndexPartitionTask, MutationTask, ProgramTask, QueryTask, RDFFileLoadTask

public interface IFederationCallable
extends Serializable

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

Version:

$Id: IFederationCallable.java 2265 2009-10-26 12:51:06Z thompsonbry $

Author:

Bryan Thompson

Method Summary

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.