001// Copyright 2007, 2008 The Apache Software Foundation 002// 003// Licensed under the Apache License, Version 2.0 (the "License"); 004// you may not use this file except in compliance with the License. 005// You may obtain a copy of the License at 006// 007// http://www.apache.org/licenses/LICENSE-2.0 008// 009// Unless required by applicable law or agreed to in writing, software 010// distributed under the License is distributed on an "AS IS" BASIS, 011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012// See the License for the specific language governing permissions and 013// limitations under the License. 014 015package org.apache.tapestry5.hibernate; 016 017import org.apache.tapestry5.ioc.annotations.UsesOrderedConfiguration; 018import org.hibernate.Session; 019import org.hibernate.SessionFactory; 020import org.hibernate.cfg.Configuration; 021 022/** 023 * Responsible for creating a Hibernate session as needed. Internally, is responsible for Hibernate {@link 024 * Configuration}, resulting in a {@link SessionFactory}. 025 * <p/> 026 * The service's configuration is a {@linkplain org.apache.tapestry5.ioc.services.ChainBuilder chain of command} of 027 * configurator objects. 028 */ 029@UsesOrderedConfiguration(HibernateConfigurer.class) 030public interface HibernateSessionSource 031{ 032 /** 033 * Creates a new session using the {@link #getSessionFactory() SessionFactory} created at service startup. 034 */ 035 Session create(); 036 037 /** 038 * Returns the SessionFactory from which Hibernate sessions are created. 039 */ 040 SessionFactory getSessionFactory(); 041 042 /** 043 * Returns the final configuration used to create the {@link SessionFactory}. The configuration is immutable. 044 */ 045 Configuration getConfiguration(); 046}