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

Class NullToIterableResultAdapter

java.lang.Object

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

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

All Implemented Interfaces:

ResultAdapter<Iterable>, Comparable<ResultAdapter>

public class NullToIterableResultAdapter
extends AbstractResultAdapter<Iterable>

This adapter will try to adapt a null value to an iterable.

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

This adapter runs at the priority of -250.

Since:

1.0 (9/24/15)

Author:

Milad Naseri (mmnaseri@programmer.net)

Constructor Summary

Constructors

Constructor and Description
NullToIterableResultAdapter()

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
Iterable	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

NullToIterableResultAdapter

public NullToIterableResultAdapter()

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 Iterable 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