org.gcube.portlets.admin.gcubereleases.server.database

Interface JavaPersistenceHandler<T>

Type Parameters:

T - the generic type

All Known Implementing Classes:

AbstractPersistence, AccountingPersistence, JavadocUriPersistence, PackagePersistence, ReleaseFilePersistence, ReleasePersistence

public interface JavaPersistenceHandler<T>

The Interface JavaPersistenceHandler.

Author:

Francesco Mangiacrapa francesco.mangiacrapa@isti.cnr.it Feb 19, 2015

Method Summary

Modifier and Type	Method and Description
javax.persistence.EntityManager	createNewManager() Creates the new manager.
List<T>	executeCriteriaQuery(javax.persistence.criteria.CriteriaQuery<Object> criteriaQuery) Execute criteria query.
List<T>	executeTypedQuery(javax.persistence.criteria.CriteriaQuery<Object> cq, int startIndex, int offset) Execute typed query.
javax.persistence.criteria.CriteriaBuilder	getCriteriaBuilder() Gets the criteria builder.
javax.persistence.EntityManagerFactory	getEntityManagerFactory() Gets the entity manager factory.
javax.persistence.criteria.Root<T>	rootFrom(javax.persistence.criteria.CriteriaQuery<Object> cq) Root from.

Method Detail

getCriteriaBuilder

javax.persistence.criteria.CriteriaBuilder getCriteriaBuilder()
                                                       throws DatabaseServiceException

Gets the criteria builder.

Returns:

the criteria builder

Throws:

DatabaseServiceException - the database service exception

getEntityManagerFactory

javax.persistence.EntityManagerFactory getEntityManagerFactory()

Gets the entity manager factory.

Returns:

the entity manager factory

createNewManager

javax.persistence.EntityManager createNewManager()
                                          throws DatabaseServiceException

Creates the new manager.

Returns:

the entity manager

Throws:

DatabaseServiceException - the database service exception

executeCriteriaQuery

List<T> executeCriteriaQuery(javax.persistence.criteria.CriteriaQuery<Object> criteriaQuery)
                      throws DatabaseServiceException

Execute criteria query.

Parameters:

criteriaQuery - the criteria query

Returns:

the list

Throws:

DatabaseServiceException - the database service exception

executeTypedQuery

List<T> executeTypedQuery(javax.persistence.criteria.CriteriaQuery<Object> cq,
                          int startIndex,
                          int offset)
                   throws DatabaseServiceException

Execute typed query.

Parameters:

cq - the cq

startIndex - the start index

offset - the offset

Returns:

the list

Throws:

DatabaseServiceException - the database service exception

rootFrom

javax.persistence.criteria.Root<T> rootFrom(javax.persistence.criteria.CriteriaQuery<Object> cq)

Root from.

Parameters:

cq - the cq

Returns:

the root