Package uk.gov.gchq.gaffer.store.operation.handler.join

Class JoinHandler<I>

java.lang.Object

uk.gov.gchq.gaffer.store.operation.handler.join.JoinHandler<I>

All Implemented Interfaces:

OperationHandler<Join<I>>, OutputOperationHandler<Join<I>,Iterable<? extends uk.gov.gchq.koryphe.tuple.MapTuple>>

Direct Known Subclasses:

FederatedJoinHandler

public class JoinHandler<I>
extends Object
implements OutputOperationHandler<Join<I>,Iterable<? extends uk.gov.gchq.koryphe.tuple.MapTuple>>

Constructor Summary

Constructors

Constructor	Description
JoinHandler()

Method Summary

Modifier and Type	Method	Description
Iterable<? extends uk.gov.gchq.koryphe.tuple.MapTuple>	doOperation(Join<I> 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

JoinHandler

public JoinHandler()

Method Detail

doOperation

public Iterable<? extends uk.gov.gchq.koryphe.tuple.MapTuple> doOperation(Join<I> operation,
                                                                          Context context,
                                                                          Store store)
                                                                   throws OperationException

Description copied from interface: OutputOperationHandler

Execute the given Output operation.

Specified by:

doOperation in interface OperationHandler<I>

Specified by:

doOperation in interface OutputOperationHandler<Join<I>,Iterable<? extends uk.gov.gchq.koryphe.tuple.MapTuple>>

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