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Jakarta Persistence (JPA) Interface jakarta.persistence. EntityManager Super Interfaces: AutoCloseable Interface used to interact with the persistence context. An instance of EntityManager ... to the associated persistence unit. An application-managed EntityManager may be created

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager void close() Close an application-managed entity manager. After invocation of close() , every method of the EntityManager ... the IllegalStateException , except for EntityManager .getProperties , EntityManager .getTransaction

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager T unwrap (    ... . If the provider implementation of EntityManager does not support the given type, the PersistenceException ... either the underlying class implementing EntityManager or an interface it implements. Returns: an instance

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager void runWithConnection ... .Connection Execute the given action using the database connection underlying this EntityManager . Usually ... type, and is not required to support java.sql.Connection . If this EntityManager is associated

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager T callWithConnection (   ... using the database connection underlying this EntityManager . Usually, the connection is a JDBC ... java.sql.Connection . If this EntityManager is associated with a transaction, the function

Jakarta Persistence (JPA) Method in jakarta.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. Returns

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager void persist (    Object entity ) Make a new entity instance managed and persistent, resulting in its insertion in ... managed, undoing the effect of a previous call to EntityManager .remove . This operation cascades

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager T find (    Class entityClass ,    Object primaryKey ,    LockModeType lockMode ) Find by primary ... is the same as if the EntityManager .lock method had been called on the entity. If the entity is found

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager void joinTransaction() Indicate to the entity manager that a JTA transaction is active and join the persistence context to it. This method should be called on a JTA application managed entity manager that was created outside

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager boolean isJoinedToTransaction() Determine whether the entity manager is joined to the current transaction. Returns false if the entity manager is not joined to the current transaction or if no transaction is active. Returns: boolean. Since: Jakarta Persistence (JPA) 2.1

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager StoredProcedureQuery createNamedStoredProcedureQuery (    String name ) Create an instance of StoredProcedureQuery for executing a stored procedure in the database. Parameters must be registered before the stored

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager StoredProcedureQuery createStoredProcedureQuery (    String procedureName ) Create an instance of StoredProcedureQuery for executing a stored procedure in the database. Parameters must be registered before the stored

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager StoredProcedureQuery createStoredProcedureQuery (    String procedureName ,    Class ... resultClasses ) Create an instance of StoredProcedureQuery for executing a stored procedure in the database. Parameters

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager StoredProcedureQuery createStoredProcedureQuery (    String procedureName ,    String... resultSetMappings ) Create an instance of StoredProcedureQuery for executing a stored procedure in the database

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager CriteriaBuilder getCriteriaBuilder() Obtain an instance of CriteriaBuilder which may be used to construct CriteriaQuery objects. Returns: an instance of CriteriaBuilder . Throws: IllegalStateException - if the entity manager

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager Metamodel getMetamodel() Obtain an instance of the Metamodel interface which provides access to metamodel objects describing the managed types belonging to the persistence unit. Returns: an instance of Metamodel . Throws

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager EntityGraph createEntityGraph (    Class rootType ) Create a new mutable EntityGraph , allowing dynamic definition of an entity graph. Parameters: rootType - class of entity graph Returns: entity graph. Since: Jakarta Persistence (JPA) 2.1

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager EntityGraph createEntityGraph (    String graphName ) Obtain a mutable copy of a named EntityGraph , or return null if there is no entity graph with the given name. Parameters: graphName - name of an entity graph

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager boolean isOpen() Determine whether the entity manager is open. Returns: true until the entity manager has been closed. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager EntityTransaction getTransaction() Return the resource-level EntityTransaction object. The EntityTransaction instance may be used serially to begin and commit multiple transactions. Returns: EntityTransaction instance. Throws

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager EntityManagerFactory getEntityManagerFactory() The entity manager factory which created this entity manager. Returns: the EntityManagerFactory . Throws: IllegalStateException - if the entity manager has been closed. Since: Jakarta Persistence (JPA) 2.0

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager EntityGraph getEntityGraph (    String graphName ) Obtain a named EntityGraph . The returned instance of EntityGraph should be considered immutable. Parameters: graphName - name of an existing entity graph Returns

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager List getEntityGraphs (    Class entityClass ) Return all named EntityGraph s that are defined for the given entity class type. Parameters: entityClass - entity class Returns: list of all entity graphs defined

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager void lock (    Object entity ,    LockModeType lockMode ,    LockOption... options ) Lock an entity instance belonging to the persistence context, obtaining the specified lock mode , using

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager void refresh (    Object entity ) Refresh the state of the given managed entity instance from the database, overwriting unflushed changes made to the entity, if any. This operation cascades to every entity related by

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager void refresh (    Object entity ,    Map properties ) Refresh the state of the given managed entity instance from the database, using the specified properties, and overwriting unflushed changes

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager void refresh (    Object entity ,    LockModeType lockMode ) Refresh the state of the given managed entity instance from the database, overwriting unflushed changes made to the entity, if any, and obtain

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager void setFlushMode (    FlushModeType flushMode ) Set the flush mode that applies to all objects contained in the persistence context. Parameters: flushMode - flush mode Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager FlushModeType getFlushMode() Get the flush mode that applies to all objects contained in the persistence context. Returns: the current FlushModeType . Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager void lock (    Object entity ,    LockModeType lockMode ) Lock an entity instance belonging to the persistence context, obtaining the specified lock mode . If a pessimistic lock mode type is specified

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager void lock (    Object entity ,    LockModeType lockMode ,    Map properties ) Lock an entity instance belonging to the persistence context, obtaining the specified lock mode , using the specified

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager boolean contains (    Object entity ) Determine if the given object is a managed entity instance belonging to the current persistence context. Parameters: entity - entity instance Returns: boolean value indicating

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager LockModeType getLockMode (    Object entity ) Get the current lock mode held by this persistence context on the given managed entity instance. Parameters: entity - a managed entity instance Returns: the lock mode

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager void setCacheRetrieveMode (    CacheRetrieveMode cacheRetrieveMode ) Set the default cache retrieval mode for this persistence context. Parameters: cacheRetrieveMode - cache retrieval mode Since: Jakarta Persistence (JPA) 3.2

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager void setCacheStoreMode (    CacheStoreMode cacheStoreMode ) Set the default cache storage mode for this persistence context. Parameters: cacheStoreMode - cache storage mode Since: Jakarta Persistence (JPA) 3.2

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager void refresh (    Object entity ,    LockModeType lockMode ,    Map properties ) Refresh the state of the given managed entity instance from the database, overwriting unflushed changes

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager void refresh (    Object entity ,    RefreshOption... options ) Refresh the state of the given managed entity instance from the database, using the specified options , overwriting changes made to the entity

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager void clear() Clear the persistence context, causing all managed entities to become detached. Changes made to entities that have not already been flushed to the database will never be made persistent. Since: Jakarta Persistence (JPA) 1.0

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager void detach (    Object entity ) Evict the given managed or removed entity from the persistence context, causing the entity to become immediately detached. Unflushed changes made to the entity, if any, including

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager Query createQuery (    String qlString ) Create an instance of Query for executing a Jakarta Persistence query language statement. Parameters: qlString - a Jakarta Persistence query string Returns: the new query

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager TypedQuery createQuery (    CriteriaQuery criteriaQuery ) Create an instance of TypedQuery for executing a criteria query. Parameters: criteriaQuery - a criteria query object Returns: the new query instance. Throws

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager TypedQuery createQuery (    CriteriaSelect selectQuery ) Create an instance of TypedQuery for executing a criteria query, which may be a union or intersection of top-level queries. Parameters: selectQuery - a criteria

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager Query createQuery (    CriteriaUpdate updateQuery ) Create an instance of Query for executing a criteria update query. Parameters: updateQuery - a criteria update query object Returns: the new query instance. Throws

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager CacheRetrieveMode getCacheRetrieveMode() The cache retrieval mode for this persistence context. Since: Jakarta Persistence (JPA) 3.2

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager CacheStoreMode getCacheStoreMode() The cache storage mode for this persistence context. Since: Jakarta Persistence (JPA) 3.2

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager void setProperty (    String propertyName ,    Object value ) Set an entity manager property or hint. If a vendor-specific property or hint is not recognized, it is silently ignored. Parameters: propertyName

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager Map getProperties() The properties and hints and their associated values which are in effect for this entity manager. Modifying the contents of the returned map does not change the configuration in effect. Returns: a map

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager TypedQuery createQuery (    TypedQueryReference reference ) Create an instance of TypedQuery for executing a named query written in the Jakarta Persistence query language or in native SQL. Parameters: reference

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager Query createNativeQuery (    String sqlString ) Create an instance of Query for executing a native SQL statement, e.g., for update or delete. If the query is not an update or delete query, query execution will result

Jakarta Persistence (JPA) Method in jakarta.persistence. EntityManager Query createNativeQuery (    String sqlString ,    Class resultClass ) Create an instance of Query for executing a native SQL query. In the next release of this API, the return type of this method will change