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

Class AggregateHandler

java.lang.Object

uk.gov.gchq.gaffer.store.operation.handler.function.AggregateHandler

All Implemented Interfaces:

OperationHandler<Aggregate>, OperationWithSchemaHandler<Aggregate,Iterable<? extends Element>>, OutputOperationHandler<Aggregate,Iterable<? extends Element>>

public class AggregateHandler
extends Object
implements OutputOperationHandler<Aggregate,Iterable<? extends Element>>, OperationWithSchemaHandler<Aggregate,Iterable<? extends Element>>

Constructor Summary

Constructors

Constructor	Description
AggregateHandler()

Method Summary

Modifier and Type	Method	Description
Iterable<? extends Element>	doOperation(Aggregate operation, Context context, Store store)	Execute the given Output operation.
Iterable<? extends Element>	doOperation(Aggregate operation, Schema schema)

Methods inherited from class java.lang.Object

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

Constructor Detail

AggregateHandler

public AggregateHandler()

Method Detail

doOperation

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

Description copied from interface: OutputOperationHandler

Execute the given Output operation.

Specified by:

doOperation in interface OperationHandler<Aggregate>

Specified by:

doOperation in interface OutputOperationHandler<Aggregate,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

doOperation

public Iterable<? extends Element> doOperation(Aggregate operation,
                                               Schema schema)
                                        throws OperationException

Specified by:

doOperation in interface OperationWithSchemaHandler<Aggregate,Iterable<? extends Element>>

Throws:

OperationException