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

Class ToVerticesHandler

java.lang.Object

uk.gov.gchq.gaffer.store.operation.handler.output.ToVerticesHandler

All Implemented Interfaces:

OperationHandler<ToVertices>, OutputOperationHandler<ToVertices,Iterable<? extends Object>>

public class ToVerticesHandler
extends Object
implements OutputOperationHandler<ToVertices,Iterable<? extends Object>>

A ToVerticesHandler handles for ToVertices operations.

For Entity objects, the vertex object is used. For Edges the correct object is selected based on the values of the ToVertices.EdgeVertices and ToVertices.UseMatchedVertex values.

Constructor Summary

Constructors

Constructor	Description
ToVerticesHandler()

Method Summary

Modifier and Type	Method	Description
Iterable<Object>	doOperation(ToVertices 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

ToVerticesHandler

public ToVerticesHandler()

Method Detail

doOperation

public Iterable<Object> doOperation(ToVertices operation,
                                    Context context,
                                    Store store)
                             throws OperationException

Description copied from interface: OutputOperationHandler

Execute the given Output operation.

Specified by:

doOperation in interface OperationHandler<ToVertices>

Specified by:

doOperation in interface OutputOperationHandler<ToVertices,Iterable<? extends Object>>

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