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

Class MinHandler

java.lang.Object

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

All Implemented Interfaces:

OperationHandler<Min>, OutputOperationHandler<Min,Element>

public class MinHandler
extends Object
implements OutputOperationHandler<Min,Element>

A MinHandler handles the Min operation. It uses the Comparators instances on the operation to determine the object with the minimum value.

Constructor Summary

Constructors

Constructor	Description
MinHandler()

Method Summary

Modifier and Type	Method	Description
Element	doOperation(Min 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

MinHandler

public MinHandler()

Method Detail

doOperation

public Element doOperation(Min operation,
                           Context context,
                           Store store)
                    throws OperationException

Description copied from interface: OutputOperationHandler

Execute the given Output operation.

Specified by:

doOperation in interface OperationHandler<Min>

Specified by:

doOperation in interface OutputOperationHandler<Min,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