net.dontdrinkandroot.persistence.dao

Class TypedJpaDao<E extends Entity<I>,I>

java.lang.Object

net.dontdrinkandroot.persistence.dao.GenericJpaDao

net.dontdrinkandroot.persistence.dao.TypedJpaDao<E,I>

Type Parameters:

E - Type of the Entity.

I - Type of the Entity's id.

All Implemented Interfaces:

GenericDao, TypedDao<E,I>

public class TypedJpaDao<E extends Entity<I>,I>
extends GenericJpaDao
implements TypedDao<E,I>

Base implementation of a TypedDao that uses a JPA EntityManager.

Author:

Philip W. Sorst

Field Summary

Fields

Modifier and Type	Field and Description
protected Class<E>	entityClass

Constructor Summary

Constructors

Constructor and Description
TypedJpaDao(Class<E> entityClass)

Method Summary

Methods

Modifier and Type	Method and Description
void	delete(E entity) Deletes the given Entity.
void	delete(I id) Deletes the entity with the given id.
E	find(I id) Finds the entity with the given id.
List<E>	findAll() Finds all entities.
List<E>	findAll(Collection<PredicateBuilder<E>> filters) Finds all entities that match all predicates generated by the given PredicateBuilder s.
List<E>	findAll(PredicateBuilder<E>... filters) Finds all entities that match all predicates generated by the given PredicateBuilder s.
List<E>	findAll(PredicateBuilder<E> filter) Finds all entities that match all predicates generated by the given PredicateBuilder s.
List<E>	findAll(javax.persistence.metamodel.SingularAttribute<? super E,?> attribute, boolean asc) Finds all entities ordered by the given attribute and the given sort order.
List<E>	findAll(javax.persistence.metamodel.SingularAttribute<? super E,?> attribute, boolean asc, int firstResult, int maxResults) Finds all entities ordered by the given attribute and the given sort order with the result set limit to the given size.
long	getCount() Get the total number of entities in this Dao.
E	load(I id) Loads the entity with the given id or throws an Exception if it was not found.

Methods inherited from class net.dontdrinkandroot.persistence.dao.GenericJpaDao

delete, delete, find, find, find, find, findAll, findFirstOrNull, findSingle, findSingleOrNull, getCount, getCriteriaBuilder, getEntityManager, getLogger, load, save, setEntityManager, setLogger

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.dontdrinkandroot.persistence.dao.GenericDao

delete, delete, find, findAll, getCount, load, save

Field Detail

entityClass

protected Class<E extends Entity<I>> entityClass

Constructor Detail

TypedJpaDao

public TypedJpaDao(Class<E> entityClass)

Method Detail

delete

@Transactional(propagation=MANDATORY)
public void delete(E entity)

Description copied from interface: TypedDao

Deletes the given Entity.

Specified by:

delete in interface TypedDao<E extends Entity<I>,I>

delete

@Transactional(propagation=MANDATORY)
public void delete(I id)

Description copied from interface: TypedDao

Deletes the entity with the given id.

Specified by:

delete in interface TypedDao<E extends Entity<I>,I>

find

@Transactional(propagation=MANDATORY,
               readOnly=true)
public E find(I id)

Description copied from interface: TypedDao

Finds the entity with the given id.

Specified by:

find in interface TypedDao<E extends Entity<I>,I>

getCount

@Transactional(propagation=MANDATORY,
               readOnly=true)
public long getCount()

Description copied from interface: TypedDao

Get the total number of entities in this Dao.

Specified by:

getCount in interface TypedDao<E extends Entity<I>,I>

load

@Transactional(propagation=MANDATORY,
               readOnly=true)
public E load(I id)

Description copied from interface: TypedDao

Loads the entity with the given id or throws an Exception if it was not found.

Specified by:

load in interface TypedDao<E extends Entity<I>,I>

findAll

@Transactional(propagation=MANDATORY,
               readOnly=true)
public List<E> findAll()

Description copied from interface: TypedDao

Finds all entities.

Specified by:

findAll in interface TypedDao<E extends Entity<I>,I>

findAll

@Transactional(propagation=MANDATORY,
               readOnly=true)
public List<E> findAll(javax.persistence.metamodel.SingularAttribute<? super E,?> attribute,
                            boolean asc)

Description copied from interface: TypedDao

Finds all entities ordered by the given attribute and the given sort order.

Specified by:

findAll in interface TypedDao<E extends Entity<I>,I>

asc - True to sort in ascending order, false to sort in descending order.

findAll

@Transactional(propagation=MANDATORY,
               readOnly=true)
public List<E> findAll(javax.persistence.metamodel.SingularAttribute<? super E,?> attribute,
                            boolean asc,
                            int firstResult,
                            int maxResults)

Description copied from interface: TypedDao

Finds all entities ordered by the given attribute and the given sort order with the result set limit to the given size.

Specified by:

findAll in interface TypedDao<E extends Entity<I>,I>

asc - True to sort in ascending order, false to sort in descending order.

firstResult - Position of the first result to retrieve.

findAll

@Transactional(propagation=MANDATORY,
               readOnly=true)
public List<E> findAll(PredicateBuilder<E> filter)

Description copied from interface: TypedDao

Finds all entities that match all predicates generated by the given PredicateBuilder s.

Specified by:

findAll in interface TypedDao<E extends Entity<I>,I>

findAll

@Transactional(propagation=MANDATORY,
               readOnly=true)
public List<E> findAll(Collection<PredicateBuilder<E>> filters)

Description copied from interface: TypedDao

Finds all entities that match all predicates generated by the given PredicateBuilder s.

Specified by:

findAll in interface TypedDao<E extends Entity<I>,I>

findAll

@Transactional(propagation=MANDATORY,
               readOnly=true)
public List<E> findAll(PredicateBuilder<E>... filters)

Description copied from interface: TypedDao

Finds all entities that match all predicates generated by the given PredicateBuilder s.

Specified by:

findAll in interface TypedDao<E extends Entity<I>,I>