uk.gov.gchq.gaffer.store.operation.handler.generate

Class GenerateElementsHandler<OBJ>

java.lang.Object

uk.gov.gchq.gaffer.store.operation.handler.generate.GenerateElementsHandler<OBJ>

Type Parameters:

OBJ - the type of input objects from the operation.

All Implemented Interfaces:

OperationHandler<GenerateElements<OBJ>>, OutputOperationHandler<GenerateElements<OBJ>,Iterable<? extends Element>>

public class GenerateElementsHandler<OBJ>
extends Object
implements OutputOperationHandler<GenerateElements<OBJ>,Iterable<? extends Element>>

An GenerateElementsHandler handles GenerateElements operations. It uses the ElementGenerator from the operation to generate Elements from the operation input objects.

Constructor Summary

Constructors

Constructor and Description
GenerateElementsHandler()

Method Summary

Modifier and Type	Method and Description
Iterable<? extends Element>	doOperation(GenerateElements<OBJ> 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

GenerateElementsHandler

public GenerateElementsHandler()

Method Detail

doOperation

public Iterable<? extends Element> doOperation(GenerateElements<OBJ> operation,
                                               Context context,
                                               Store store)
                                        throws OperationException

Description copied from interface: OutputOperationHandler

Execute the given Output operation.

Specified by:

doOperation in interface OperationHandler<GenerateElements<OBJ>>

Specified by:

doOperation in interface OutputOperationHandler<GenerateElements<OBJ>,Iterable<? extends Element>>

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