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

Class CountGroupsHandler

java.lang.Object

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

All Implemented Interfaces:

OperationHandler<CountGroups>, OutputOperationHandler<CountGroups,GroupCounts>

public class CountGroupsHandler
extends Object
implements OutputOperationHandler<CountGroups,GroupCounts>

A CountGroupsHandler handles CountGroups operations.

Constructor Summary

Constructors

Constructor	Description
CountGroupsHandler()

Method Summary

Modifier and Type	Method	Description
GroupCounts	doOperation(CountGroups 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

CountGroupsHandler

public CountGroupsHandler()

Method Detail

doOperation

public GroupCounts doOperation(CountGroups operation,
                               Context context,
                               Store store)
                        throws OperationException

Description copied from interface: OutputOperationHandler

Execute the given Output operation.

Specified by:

doOperation in interface OperationHandler<CountGroups>

Specified by:

doOperation in interface OutputOperationHandler<CountGroups,GroupCounts>

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