Java tutorial
/* * Hibernate, Relational Persistence for Idiomatic Java * * License: GNU Lesser General Public License (LGPL), version 2.1 or later. * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>. */ package org.hibernate; import java.io.Serializable; import org.hibernate.procedure.ProcedureCall; import org.hibernate.query.QueryProducer; /** * Contract methods shared between {@link Session} and {@link StatelessSession}. * <p/> * NOTE : Poorly named. "shared" simply indicates that its a unified contract between {@link Session} and * {@link StatelessSession}. * * @author Steve Ebersole */ public interface SharedSessionContract extends QueryProducer, Serializable { /** * Obtain the tenant identifier associated with this session. * * @return The tenant identifier associated with this session, or {@code null} */ String getTenantIdentifier(); /** * End the session by releasing the JDBC connection and cleaning up. * * @throws HibernateException Indicates problems cleaning up. */ void close() throws HibernateException; /** * Check if the session is still open. * * @return boolean */ boolean isOpen(); /** * Check if the session is currently connected. * * @return boolean */ boolean isConnected(); /** * Begin a unit of work and return the associated {@link Transaction} object. If a new underlying transaction is * required, begin the transaction. Otherwise continue the new work in the context of the existing underlying * transaction. * * @return a Transaction instance * * @see #getTransaction */ Transaction beginTransaction(); /** * Get the {@link Transaction} instance associated with this session. The concrete type of the returned * {@link Transaction} object is determined by the {@code hibernate.transaction_factory} property. * * @return a Transaction instance */ Transaction getTransaction(); @Override org.hibernate.query.Query createQuery(String queryString); @Override org.hibernate.query.Query getNamedQuery(String queryName); /** * Gets a ProcedureCall based on a named template * * @param name The name given to the template * * @return The ProcedureCall * * @see javax.persistence.NamedStoredProcedureQuery */ ProcedureCall getNamedProcedureCall(String name); /** * Creates a call to a stored procedure. * * @param procedureName The name of the procedure. * * @return The representation of the procedure call. */ ProcedureCall createStoredProcedureCall(String procedureName); /** * Creates a call to a stored procedure with specific result set entity mappings. Each class named * is considered a "root return". * * @param procedureName The name of the procedure. * @param resultClasses The entity(s) to map the result on to. * * @return The representation of the procedure call. */ ProcedureCall createStoredProcedureCall(String procedureName, Class... resultClasses); /** * Creates a call to a stored procedure with specific result set entity mappings. * * @param procedureName The name of the procedure. * @param resultSetMappings The explicit result set mapping(s) to use for mapping the results * * @return The representation of the procedure call. */ ProcedureCall createStoredProcedureCall(String procedureName, String... resultSetMappings); /** * Create {@link Criteria} instance for the given class (entity or subclasses/implementors). * * @param persistentClass The class, which is an entity, or has entity subclasses/implementors * * @return The criteria instance for manipulation and execution * * @deprecated (since 5.2) for Session, use the JPA Criteria */ @Deprecated Criteria createCriteria(Class persistentClass); /** * Create {@link Criteria} instance for the given class (entity or subclasses/implementors), using a specific * alias. * * @param persistentClass The class, which is an entity, or has entity subclasses/implementors * @param alias The alias to use * * @return The criteria instance for manipulation and execution * * @deprecated (since 5.2) for Session, use the JPA Criteria */ @Deprecated Criteria createCriteria(Class persistentClass, String alias); /** * Create {@link Criteria} instance for the given entity name. * * @param entityName The entity name * @return The criteria instance for manipulation and execution * * @deprecated (since 5.2) for Session, use the JPA Criteria */ @Deprecated Criteria createCriteria(String entityName); /** * Create {@link Criteria} instance for the given entity name, using a specific alias. * * @param entityName The entity name * @param alias The alias to use * * @return The criteria instance for manipulation and execution * * @deprecated (since 5.2) for Session, use the JPA Criteria */ @Deprecated Criteria createCriteria(String entityName, String alias); /** * Get the Session-level JDBC batch size for the current Session. * Overrides the SessionFactory JDBC batch size defined by the {@code hibernate.default_batch_fetch_size} configuration property for the scope of the current {@code Session}. * * @return Session-level JDBC batch size * * @since 5.2 * * @see org.hibernate.boot.spi.SessionFactoryOptions#getJdbcBatchSize * @see org.hibernate.boot.SessionFactoryBuilder#applyJdbcBatchSize */ Integer getJdbcBatchSize(); /** * Set the Session-level JDBC batch size. * Overrides the SessionFactory JDBC batch size defined by the {@code hibernate.default_batch_fetch_size} configuration property for the scope of the current {@code Session}. * * @param jdbcBatchSize Session-level JDBC batch size * * @since 5.2 * * @see org.hibernate.boot.spi.SessionFactoryOptions#getJdbcBatchSize * @see org.hibernate.boot.SessionFactoryBuilder#applyJdbcBatchSize */ void setJdbcBatchSize(Integer jdbcBatchSize); }