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

Class MapHandler<I,O>

java.lang.Object

uk.gov.gchq.gaffer.store.operation.handler.MapHandler<I,O>

Type Parameters:

I - The object type of the input object

O - The object type of the output object

All Implemented Interfaces:

OperationHandler<Map<I,O>>, OutputOperationHandler<Map<I,O>,O>

public class MapHandler<I,O>
extends Object
implements OutputOperationHandler<Map<I,O>,O>

A MapHandler is a handler for the Map Operation

Constructor Summary

Constructors

Constructor	Description
MapHandler()

Method Summary

Modifier and Type	Method	Description
O	doOperation(Map<I,O> operation, Context context, Store store)	Handles the Map operation.

Methods inherited from class java.lang.Object

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

Constructor Detail

MapHandler

public MapHandler()

Method Detail

doOperation

public O doOperation(Map<I,O> operation,
                     Context context,
                     Store store)
              throws OperationException

Handles the Map operation. Applies the function(s) contained within the Map operation and returns the resulting object.

Specified by:

doOperation in interface OperationHandler<I>

Specified by:

doOperation in interface OutputOperationHandler<I,O>

Parameters:

operation - the 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 resulting object from the function

Throws:

OperationException - if execution of the operation fails