org.resthub.common.service

Class CrudServiceImpl<T,ID extends Serializable,R extends org.springframework.data.repository.PagingAndSortingRepository<T,ID>>

java.lang.Object

org.resthub.common.service.CrudServiceImpl<T,ID,R>

Type Parameters:

T - Your resource class to manage, usually an entity class

ID - Resource id type, usually Long or String

R - The repository class

All Implemented Interfaces:

CrudService<T,ID>

@Transactional(readOnly=true)
public class CrudServiceImpl<T,ID extends Serializable,R extends org.springframework.data.repository.PagingAndSortingRepository<T,ID>>
extends Object
implements CrudService<T,ID>

CRUD service that uses a PagingAndSortingRepository Spring Data repository implementation You should extend it and inject your Repository bean by overriding setRepository(org.springframework.data.repository.PagingAndSortingRepository)

Field Summary

Fields

Modifier and Type	Field and Description
protected R	repository

Constructor Summary

Constructors

Constructor and Description
CrudServiceImpl()

Method Summary

Methods

Modifier and Type	Method and Description
Long	count() Count all resources.
T	create(T resource) Create new resource.
void	delete(ID id) Delete existing resource.
void	delete(T resource) Delete existing resource.
void	deleteAll() Delete all existing resource.
void	deleteAllWithCascade() Delete all existing resource, including linked entities with cascade delete
Iterable<T>	findAll() Find all resources.
org.springframework.data.domain.Page<T>	findAll(org.springframework.data.domain.Pageable pageRequest) Find all resources (pageable).
T	findById(ID id) Find resource by id.
Iterable<T>	findByIds(Set<ID> ids) Find resources by their ids.
void	setRepository(R repository)
T	update(T resource) Update existing resource.

Methods inherited from class java.lang.Object

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

Field Detail

repository

protected R extends org.springframework.data.repository.PagingAndSortingRepository<T,ID> repository

Constructor Detail

CrudServiceImpl

public CrudServiceImpl()

Method Detail

setRepository

public void setRepository(R repository)

Parameters:

repository - the repository to set

create

@Transactional
public T create(T resource)

Create new resource.

Specified by:

create in interface CrudService<T,ID extends Serializable>

Parameters:

resource - Resource to create

Returns:

new resource

update

@Transactional
public T update(T resource)

Update existing resource.

Specified by:

update in interface CrudService<T,ID extends Serializable>

Parameters:

resource - Resource to update

Returns:

resource updated

delete

@Transactional
public void delete(T resource)

Delete existing resource.

Specified by:

delete in interface CrudService<T,ID extends Serializable>

Parameters:

resource - Resource to delete

delete

@Transactional
public void delete(ID id)

Delete existing resource.

Specified by:

delete in interface CrudService<T,ID extends Serializable>

Parameters:

id - Resource id

deleteAll

@Transactional
public void deleteAll()

Delete all existing resource. Do not use cascade remove (not a choice -> JPA specs)

Specified by:

deleteAll in interface CrudService<T,ID extends Serializable>

deleteAllWithCascade

@Transactional
public void deleteAllWithCascade()

Delete all existing resource, including linked entities with cascade delete

Specified by:

deleteAllWithCascade in interface CrudService<T,ID extends Serializable>

findById

public T findById(ID id)

Find resource by id.

Specified by:

findById in interface CrudService<T,ID extends Serializable>

Parameters:

id - Resource id

Returns:

resource

findByIds

public Iterable<T> findByIds(Set<ID> ids)

Find resources by their ids.

Specified by:

findByIds in interface CrudService<T,ID extends Serializable>

Parameters:

ids - Resource ids

Returns:

a list of retrieved resources, empty if no resource found

findAll

public Iterable<T> findAll()

Find all resources.

Specified by:

findAll in interface CrudService<T,ID extends Serializable>

Returns:

a list of all resources.

findAll

public org.springframework.data.domain.Page<T> findAll(org.springframework.data.domain.Pageable pageRequest)

Find all resources (pageable).

Specified by:

findAll in interface CrudService<T,ID extends Serializable>

Parameters:

pageRequest - page request

Returns:

resources

count

public Long count()

Count all resources.

Specified by:

count in interface CrudService<T,ID extends Serializable>

Returns:

number of resources