org.springframework.data.document.mongodb.repository
Class QueryDslMongoRepository<T,ID extends java.io.Serializable>

java.lang.Object
  org.springframework.data.document.mongodb.repository.SimpleMongoRepository<T,ID>
      org.springframework.data.document.mongodb.repository.QueryDslMongoRepository<T,ID>

All Implemented Interfaces:

QueryDslPredicateExecutor<T>

public class QueryDslMongoRepository<T,ID extends java.io.Serializable>
extends SimpleMongoRepository<T,ID>
implements QueryDslPredicateExecutor<T>

Special QueryDsl based repository implementation that allows execution Predicates in various forms. TODO: Extract QueryDslMongoRepository.EntityPathResolver into Spring Data Commons TODO: Refactor Spring Data JPA to use this common infrastructure

Author:

Oliver Gierke

Nested Class Summary

static interface	QueryDslMongoRepository.EntityPathResolver Strategy interface to abstract the ways to translate an plain domain class into a EntityPath.
private class	QueryDslMongoRepository.MongoConverterTransformer QueryDslMongoRepository.MongoConverterTransformer implementation to delegate to a MongoConverter.
private class	QueryDslMongoRepository.MongoTemplateQuery Special MongodbQuery implementation to use our MongoOperations for actually accessing Mongo.
(package private) static class	QueryDslMongoRepository.SimpleEntityPathResolver Simple implementation of QueryDslMongoRepository.EntityPathResolver to lookup a query class by reflection and using the static field of the same type.

Field Summary

private	builder
private MongodbSerializer	serializer
private QueryDslMongoRepository.MongoConverterTransformer	transformer

Constructor Summary

QueryDslMongoRepository(MongoEntityInformation<T,ID> entityInformation, MongoTemplate template)
Creates a new QueryDslMongoRepository for the given EntityMetadata and MongoTemplate.

QueryDslMongoRepository(MongoEntityInformation<T,ID> entityInformation, MongoTemplate template, QueryDslMongoRepository.EntityPathResolver resolver)
Creates a new QueryDslMongoRepository for the given MongoEntityInformation, MongoTemplate and QueryDslMongoRepository.EntityPathResolver.

Method Summary

private	applyPagination( query, Pageable pageable) Applies the given Pageable to the given MongodbQuery.
private	applySorting( query, Sort sort) Applies the given Sort to the given MongodbQuery.
java.lang.Long	count(Predicate predicate) Returns the number of instances that the given Predicate will return.
private	createQueryFor(Predicate predicate) Creates a MongodbQuery for the given Predicate.
java.util.List<T>	findAll(Predicate predicate) Returns all entities matching the given Predicate.
java.util.List<T>	findAll(Predicate predicate, ... orders) Returns all entities matching the given Predicate applying the given OrderSpecifiers.
	findAll(Predicate predicate, Pageable pageable) Returns all entities matching the given Predicate applying the given OrderSpecifiers.
T	findOne(Predicate predicate) Returns a single entity matching the given Predicate.
private	toOrder(Order order) Transforms a plain Order into a QueryDsl specific OrderSpecifier.

Methods inherited from class org.springframework.data.document.mongodb.repository.SimpleMongoRepository

count, delete, delete, deleteAll, exists, findAll, getEntityInformation, getMongoOperations, save, save

Methods inherited from class java.lang.Object

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

Field Detail

transformer

private final QueryDslMongoRepository.MongoConverterTransformer transformer

serializer

private final MongodbSerializer serializer

builder

private final  builder

Constructor Detail

QueryDslMongoRepository

public QueryDslMongoRepository(MongoEntityInformation<T,ID> entityInformation,
                               MongoTemplate template)

Creates a new QueryDslMongoRepository for the given EntityMetadata and MongoTemplate. Uses the QueryDslMongoRepository.SimpleEntityPathResolver to create an EntityPath for the given domain class.

Parameters:

entityInformation -

template -

QueryDslMongoRepository

public QueryDslMongoRepository(MongoEntityInformation<T,ID> entityInformation,
                               MongoTemplate template,
                               QueryDslMongoRepository.EntityPathResolver resolver)

Creates a new QueryDslMongoRepository for the given MongoEntityInformation, MongoTemplate and QueryDslMongoRepository.EntityPathResolver.

Parameters:

entityInformation -

template -

resolver -

Method Detail

findOne

public T findOne(Predicate predicate)

Description copied from interface: QueryDslPredicateExecutor

Returns a single entity matching the given Predicate.

Specified by:

findOne in interface QueryDslPredicateExecutor<T>

Overrides:

findOne in class SimpleMongoRepository<T,ID extends java.io.Serializable>

Returns:

findAll

public java.util.List<T> findAll(Predicate predicate)

Description copied from interface: QueryDslPredicateExecutor

Returns all entities matching the given Predicate.

Specified by:

findAll in interface QueryDslPredicateExecutor<T>

Overrides:

findAll in class SimpleMongoRepository<T,ID extends java.io.Serializable>

Returns:

findAll

public java.util.List<T> findAll(Predicate predicate,
                                 ... orders)

Description copied from interface: QueryDslPredicateExecutor

Returns all entities matching the given Predicate applying the given OrderSpecifiers.

Specified by:

findAll in interface QueryDslPredicateExecutor<T>

Returns:

findAll

public  findAll(Predicate predicate,
                     Pageable pageable)

Description copied from interface: QueryDslPredicateExecutor

Returns all entities matching the given Predicate applying the given OrderSpecifiers.

Specified by:

findAll in interface QueryDslPredicateExecutor<T>

Returns:

count

public java.lang.Long count(Predicate predicate)

Description copied from interface: QueryDslPredicateExecutor

Returns the number of instances that the given Predicate will return.

Specified by:

count in interface QueryDslPredicateExecutor<T>

Parameters:

predicate - the Predicate to count instances for

Returns:

the number of instances

createQueryFor

private  createQueryFor(Predicate predicate)

Creates a MongodbQuery for the given Predicate.

Parameters:

predicate -

Returns:

applyPagination

private  applyPagination( query,
                              Pageable pageable)

Applies the given Pageable to the given MongodbQuery.

Parameters:

query -

pageable -

Returns:

applySorting

private  applySorting( query,
                           Sort sort)

Applies the given Sort to the given MongodbQuery.

Parameters:

query -

sort -

Returns:

toOrder

private  toOrder(Order order)

Transforms a plain Order into a QueryDsl specific OrderSpecifier.

Parameters:

order -

Returns: