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

Class SortHandler

java.lang.Object

uk.gov.gchq.gaffer.store.operation.handler.compare.SortHandler

All Implemented Interfaces:

OperationHandler<Sort>, OutputOperationHandler<Sort,Iterable<? extends Element>>

public class SortHandler
extends Object
implements OutputOperationHandler<Sort,Iterable<? extends Element>>

A SortHandler handles the Sort operation. It does that in memory using the LimitedInMemorySortedIterable. If the resultLimit is set to one that it just deletes the operation to the MaxHandler.

Constructor Summary

Constructors

Constructor	Description
SortHandler()

Method Summary

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

SortHandler

public SortHandler()

Method Detail

doOperation

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

Description copied from interface: OutputOperationHandler

Execute the given Output operation.

Specified by:

doOperation in interface OperationHandler<Sort>

Specified by:

doOperation in interface OutputOperationHandler<Sort,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