Package com.flowingcode.backendcore.service

Class JpaCrudService<T,K>

java.lang.Object

com.flowingcode.backendcore.service.JpaCrudService<T,K>

All Implemented Interfaces:

CreationService<T,K>, CrudService<T,K>, DeletionService<T>, QueryService<T,K>, UpdateService<T>

public abstract class JpaCrudService<T,K>
extends Object
implements CrudService<T,K>

Constructor Summary

Constructors

Constructor	Description
JpaCrudService()

Method Summary

Modifier and Type	Method	Description
protected org.springframework.data.jpa.domain.Specification<T>	buildSpecification(com.flowingcode.backendcore.model.QuerySpec spec)
long	count(com.flowingcode.backendcore.model.QuerySpec filter)
void	delete(T entity)
void	deleteById(K id)
List<T>	filter(com.flowingcode.backendcore.model.QuerySpec filter)
Optional<T>	filterWithSingleResult(com.flowingcode.backendcore.model.QuerySpec filter)
List<T>	findAll()
Optional<T>	findById(K id)
protected abstract org.springframework.data.repository.CrudRepository<T,K>	getCrudRepository()
protected abstract org.springframework.data.jpa.repository.JpaSpecificationExecutor<T>	getExecutor()
protected K	getId(T entity)	Default implementation for obtaining an id from an entity by calling method getId() by reflection
K	save(T entity)
void	update(T entity)

Methods inherited from class java.lang.Object

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

Constructor Details

JpaCrudService

public JpaCrudService()

Method Details

getCrudRepository

protected abstract org.springframework.data.repository.CrudRepository<T,K> getCrudRepository()

getExecutor

protected abstract org.springframework.data.jpa.repository.JpaSpecificationExecutor<T> getExecutor()

buildSpecification

protected org.springframework.data.jpa.domain.Specification<T> buildSpecification(com.flowingcode.backendcore.model.QuerySpec spec)

getId

protected K getId(T entity)

Default implementation for obtaining an id from an entity by calling method getId() by reflection

Parameters:

entity -

Returns:

findById

public Optional<T> findById(K id)

Specified by:

findById in interface QueryService<T,K>

findAll

public List<T> findAll()

Specified by:

findAll in interface QueryService<T,K>

filter

public List<T> filter(com.flowingcode.backendcore.model.QuerySpec filter)

Specified by:

filter in interface QueryService<T,K>

filterWithSingleResult

public Optional<T> filterWithSingleResult(com.flowingcode.backendcore.model.QuerySpec filter)

Specified by:

filterWithSingleResult in interface QueryService<T,K>

count

public long count(com.flowingcode.backendcore.model.QuerySpec filter)

Specified by:

count in interface QueryService<T,K>

save

public K save(T entity)

Specified by:

save in interface CreationService<T,K>

update

public void update(T entity)

Specified by:

update in interface UpdateService<T>

delete

public void delete(T entity)

Specified by:

delete in interface DeletionService<T>

deleteById

public void deleteById(K id)

Specified by:

deleteById in interface CrudService<T,K>