org.springframework.data.keyvalue.core

Class SpelSortAccessor

java.lang.Object

org.springframework.data.keyvalue.core.SpelSortAccessor

All Implemented Interfaces:

SortAccessor<Comparator<?>>

public class SpelSortAccessor
extends Object
implements SortAccessor<Comparator<?>>

SortAccessor implementation capable of creating SpelPropertyComparator.

Author:

Christoph Strobl, Oliver Gierke, Mark Paluch

Constructor Summary

Constructors

Constructor and Description
SpelSortAccessor(SpelExpressionParser parser) Creates a new SpelSortAccessor given SpelExpressionParser.

Method Summary

Modifier and Type	Method and Description
Comparator<?>	resolve(KeyValueQuery<?> query) Reads KeyValueQuery.getSort() of given KeyValueQuery and applies required transformation to match the desired type.

Methods inherited from class java.lang.Object

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

Constructor Detail

SpelSortAccessor

public SpelSortAccessor(SpelExpressionParser parser)

Creates a new SpelSortAccessor given SpelExpressionParser.

Parameters:

parser - must not be null.

Method Detail

resolve

public Comparator<?> resolve(KeyValueQuery<?> query)

Description copied from interface: SortAccessor

Reads KeyValueQuery.getSort() of given KeyValueQuery and applies required transformation to match the desired type.

Specified by:

resolve in interface SortAccessor<Comparator<?>>

Parameters:

query - must not be null.

Returns:

null in case Sort has not been defined on KeyValueQuery.