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11-20 of 200 resultsRefreshEntityManager.getDelegate() - JPA Method JPA Method in javax.persistence. EntityManager Object getDelegate () Return the underlying provider object for the EntityManager , if available. The result of this method is implementation specific. The unwrap method is to be preferred for new applications. Return: underlying provider object for EntityManager Since: JPA 1.0 | |
EntityManager.close() - JPA Method JPA Method in javax.persistence. EntityManager void close () Close an application-managed entity manager. After the close method has been invoked, all methods on the EntityManager instance and any Query , TypedQuery , and StoredProcedureQuery objects obtained from it will throw | |
EntityManager.createNamedQuery(name,resultClass) - JPA Method JPA Method in javax.persistence. EntityManager TypedQuery createNamedQuery ( String name, Class resultClass ) Create an instance of TypedQuery for executing a Java Persistence query language named query. The select list of the query must contain | |
EntityManager.getEntityGraphs(entityClass) - JPA Method JPA Method in javax.persistence. EntityManager List getEntityGraphs ( Class entityClass ) Return all named EntityGraphs that have been defined for the provided class type. Parameters: entityClass - entity class Return: list of all entity graphs defined for the entity Throws: IllegalArgumentException - if the class is not an entity Since: JPA 2.1 | |
EntityManager.merge(entity) - JPA Method JPA Method in javax.persistence. EntityManager T merge ( T entity ) Merge the state of the given entity into the current persistence context. Parameters: entity - entity instance Return: the managed instance that the state was merged to Throws: IllegalArgumentException | |
EntityManager.persist(entity) - JPA Method JPA Method in javax.persistence. EntityManager void persist ( Object entity ) Make an instance managed and persistent. Parameters: entity - entity instance Throws: EntityExistsException - if the entity already exists. (If the entity already exists, the EntityExistsException | |
EntityManager.find(entityClass,primaryKey) - JPA Method JPA Method in javax.persistence. EntityManager T find ( Class entityClass, Object primaryKey ) Find by primary key. Search for an entity of the specified class and primary key. If the entity instance is contained in the persistence context, it is returned | |
EntityManager.remove(entity) - JPA Method JPA Method in javax.persistence. EntityManager void remove ( Object entity ) Remove the entity instance. Parameters: entity - entity instance Throws: IllegalArgumentException - if the instance is not an entity or is a detached entity TransactionRequiredException - if invoked | |
EntityManager.createQuery(criteriaQuery) - JPA Method JPA Method in javax.persistence. EntityManager TypedQuery createQuery ( CriteriaQuery criteriaQuery ) Create an instance of TypedQuery for executing a criteria query. Parameters: criteriaQuery - a criteria query object Return: the new query instance Throws | |
EntityManager.createQuery(qlString) - JPA Method JPA Method in javax.persistence. EntityManager Query createQuery ( String qlString ) Create an instance of Query for executing a Java Persistence query language statement. Parameters: qlString - a Java Persistence query string Return: the new query instance Throws |