Package uk.gov.gchq.gaffer.federatedstore.operation.handler.impl

Class FederatedOutputHandler<PAYLOAD extends Output<OUTPUT>,OUTPUT>

java.lang.Object

uk.gov.gchq.gaffer.federatedstore.operation.handler.impl.FederatedOutputHandler<PAYLOAD,OUTPUT>

Type Parameters:

PAYLOAD - The operation to be federated and executed by delegate graphs.

OUTPUT - The type of object returned by Federation.

All Implemented Interfaces:

OperationHandler<PAYLOAD>, OutputOperationHandler<PAYLOAD,OUTPUT>

Direct Known Subclasses:

FederatedOutputIterableHandler

public class FederatedOutputHandler<PAYLOAD extends Output<OUTPUT>,OUTPUT>
extends Object
implements OutputOperationHandler<PAYLOAD,OUTPUT>

Handler for the federation of an PAYLOAD operation with an expected return type Iterable

See Also:

OperationHandler, FederatedStore, GetElements

Constructor Summary

Constructors

Constructor	Description
FederatedOutputHandler()
FederatedOutputHandler(OUTPUT defaultEmpty)

Method Summary

Modifier and Type	Method	Description
OUTPUT	doOperation(PAYLOAD operation, Context context, Store store)	Execute the given Output operation.

Methods inherited from class java.lang.Object

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

Constructor Detail

FederatedOutputHandler

public FederatedOutputHandler(OUTPUT defaultEmpty)

FederatedOutputHandler

public FederatedOutputHandler()

Method Detail

doOperation

public OUTPUT doOperation(PAYLOAD operation,
                          Context context,
                          Store store)
                   throws OperationException

Description copied from interface: OutputOperationHandler

Execute the given Output operation.

Specified by:

doOperation in interface OperationHandler<PAYLOAD extends Output<OUTPUT>>

Specified by:

doOperation in interface OutputOperationHandler<PAYLOAD extends Output<OUTPUT>,OUTPUT>

Parameters:

operation - the Output operation to be executed

context - the operation chain context, containing the user who executed the operation

store - the Store the operation should be run on

Returns:

the output for the operation.

Throws:

OperationException - thrown if the operation fails