org.springframework.data.redis.repository.query

Class ExampleQueryMapper

java.lang.Object

org.springframework.data.redis.repository.query.ExampleQueryMapper

public class ExampleQueryMapper
extends Object

Mapper for Query-by-Example examples to an actual query.

This mapper creates a RedisOperationChain for a given Example considering exact matches, value transformations and ExampleMatcher.MatchMode for indexed simple and nested type properties. Map and Collection properties are not considered.

Example matching is limited to case-sensitive and exact matches only.

Since:

2.1

Author:

Mark Paluch

Constructor Summary

Constructors

Constructor and Description
ExampleQueryMapper(MappingContext<RedisPersistentEntity<?>,RedisPersistentProperty> mappingContext, IndexResolver indexResolver) Creates a new ExampleQueryMapper given MappingContext and IndexResolver.

Method Summary

Modifier and Type	Method and Description
RedisOperationChain	getMappedExample(Example<?> example) Retrieve a mapped RedisOperationChain to query secondary indexes given Example.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExampleQueryMapper

public ExampleQueryMapper(MappingContext<RedisPersistentEntity<?>,RedisPersistentProperty> mappingContext,
                          IndexResolver indexResolver)

Creates a new ExampleQueryMapper given MappingContext and IndexResolver.

Parameters:

mappingContext - must not be null.

indexResolver - must not be null.

Method Detail

getMappedExample

public RedisOperationChain getMappedExample(Example<?> example)

Retrieve a mapped RedisOperationChain to query secondary indexes given Example.

Parameters:

example - must not be null.

Returns:

the mapped RedisOperationChain.