com.mmnaseri.utils.spring.data.proxy.impl.adapters

Class NullSimpleResultAdapter

java.lang.Object

com.mmnaseri.utils.spring.data.proxy.impl.adapters.AbstractResultAdapter<Object>

com.mmnaseri.utils.spring.data.proxy.impl.adapters.NullSimpleResultAdapter

All Implemented Interfaces:

ResultAdapter<Object>, Comparable<ResultAdapter>

public class NullSimpleResultAdapter
extends AbstractResultAdapter<Object>

This adapter will try to adapt a null value to a simple value. Simple here is defined as anything that is not an iterable, an iterator, or a future promise.

It adapts results if the return type is simple and the original value is null.

This adapter runs at the priority of -400.

Since:

1.0 (9/24/15)

Author:

Milad Naseri (mmnaseri@programmer.net)

Constructor Summary

Constructors

Constructor and Description
NullSimpleResultAdapter()

Method Summary

Modifier and Type	Method and Description
boolean	accepts(Invocation invocation, Object originalValue) Called to determine whether or not this adapter can adapt the original value passed down from a data store operation to the type required by the repository method being invoked
Object	adapt(Invocation invocation, Object originalValue) Called when we need to adapt the result from an invocation to the result required by the repository method

Methods inherited from class com.mmnaseri.utils.spring.data.proxy.impl.adapters.AbstractResultAdapter

compareTo, getPriority

Methods inherited from class java.lang.Object

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

Constructor Detail

NullSimpleResultAdapter

public NullSimpleResultAdapter()

Method Detail

accepts

public boolean accepts(Invocation invocation,
                       Object originalValue)

Description copied from interface: ResultAdapter

Called to determine whether or not this adapter can adapt the original value passed down from a data store operation to the type required by the repository method being invoked

Parameters:

invocation - the invocation

originalValue - the original value

Returns:

true if the adapter can convert the value

adapt

public Object adapt(Invocation invocation,
                    Object originalValue)

Description copied from interface: ResultAdapter

Called when we need to adapt the result from an invocation to the result required by the repository method

Parameters:

invocation - the repository method invocation

originalValue - the original value returned from a data store operation

Returns:

the adapted value