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

Class IfHandler

java.lang.Object

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

All Implemented Interfaces:

OperationHandler<If<Object,Object>>, OutputOperationHandler<If<Object,Object>,Object>

public class IfHandler
extends Object
implements OutputOperationHandler<If<Object,Object>,Object>

An operation handler for If operations. If If.getThen() or If.getOtherwise() is called but returns a null operation, then the input object will simply be returned.

Constructor Summary

Constructors

Constructor	Description
IfHandler()

Method Summary

Modifier and Type	Method	Description
Object	doOperation(If 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

IfHandler

public IfHandler()

Method Detail

doOperation

public Object doOperation(If operation,
                          Context context,
                          Store store)
                   throws OperationException

Description copied from interface: OutputOperationHandler

Execute the given Output operation.

Specified by:

doOperation in interface OperationHandler<If<Object,Object>>

Specified by:

doOperation in interface OutputOperationHandler<If<Object,Object>,Object>

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