package?com.factory;

import?org.hibernate.HibernateException;
import?org.hibernate.Session;
import?org.hibernate.cfg.Configuration;
import?org.hibernate.service.ServiceRegistry;
import?org.hibernate.service.ServiceRegistryBuilder;

/**
?*?Configures?and?provides?access?to?Hibernate?sessions?tied?to?the
?*?current?thread?of?execution.??Follows?the?Thread?Local?Session
?*?pattern?see?{@link?http://hibernate.org/42.html?}.
?*/
public?class?HibernateSessionFactory?{

????/**?
?????*?Location?of?hibernate.cfg.xml?file.
?????*?Location?should?be?on?the?classpath?as?Hibernate?uses??
?????*?#resourceAsStream?style?lookup?for?its?configuration?file.?
?????*?The?default?classpath?location?of?the?hibernate?config?file?is?
?????*?in?the?default?package.?Use?#setConfigFile（）?to?update?
?????*?the?location?of?the?configuration?file?for?the?current?session.???
?????*/
	private?static?final?ThreadLocal?threadLocal?=?new?ThreadLocal（）;
????private?static?org.hibernate.SessionFactory?sessionFactory;
	
????private?static?Configuration?configuration?=?new?Configuration（）;
????private?static?ServiceRegistry?serviceRegistry;?

	static?{
????	try?{
			configuration.configure（）;
			serviceRegistry?=?new?ServiceRegistryBuilder（）.applySettings（configuration.getProperties（））.buildServiceRegistry（）;
			sessionFactory?=?configuration.buildSessionFactory（serviceRegistry）;
		}?catch?（Exception?e）?{
			System.err.println（“%%%%?Error?Creating?SessionFactory?%%%%“）;
			e.printStackTrace（）;
		}
????}
????private?HibernateSessionFactory（）?{
????}
	
	/**
?????*?Returns?the?ThreadLocal?Session?instance.??Lazy?initialize
?????*?the?SessionFactory?if?needed.
?????*
?????*??@return?Session
?????*??@throws?HibernateException
?????*/
????public?static?Session?getSession（）?throws?HibernateException?{
????????Session?session?=?（Session）?threadLocal.get（）;

		if?（session?==?null?||?!session.isOpen（））?{
			if?（sessionFactory?==?null）?{
				rebuildSessionFactory（）;
			}
			session?=?（sessionFactory?!=?null）???sessionFactory.openSession（）
					:?null;
			threadLocal.set（session）;
		}

????????return?session;
????}

	/**
?????*??Rebuild?hibernate?session?factory
?????*
?????*/
	public?static?void?rebuildSessionFactory（）?{
		try?{
			configuration.configure（）;
			serviceRegistry?=?new?ServiceRegistryBuilder（）.applySettings（configuration.getProperties（））.buildServiceRegistry（）;
			sessionFactory?=?configuration.buildSessionFactory（serviceRegistry）;
		}?catch?（Exception?e）?{
			System.err.println（“%%%%?Error?Creating?SessionFactory?%%%%“）;
			e.printStackTrace（）;
		}
	}

	/**
?????*??Close?the?single?hibernate?session?instance.
?????*
?????*??@throws?HibernateException
?????*/
????public?static?void?closeSession（）?throws?HibernateException?{
????????Session?session?=?（Session）?threadLocal.get（）;
????????threadLocal.set（null）;

????????if?（session?!=?null）?{
????????????session.close（）;
????????}
????}

	/**
?????*??return?session?factory
?????*
?????*/
	public?stat

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-05-17?21:35??Lid\
?????文件????????1363??2017-05-16?09:53??Lid\.classpath
?????文件?????????439??2017-05-15?22:59??Lid\.myhibernatedata
?????文件????????1328??2017-05-16?00:22??Lid\.project
?????目錄???????????0??2017-05-17?21:35??Lid\.settings\
?????文件?????????522??2017-05-15?22:53??Lid\.settings\.jsdtscope
?????文件?????????125??2017-05-16?08:22??Lid\.settings\com.genuitec.eclipse.migration.prefs
?????文件?????????364??2017-05-15?22:53??Lid\.settings\org.eclipse.jdt.core.prefs
?????文件?????????460??2017-05-15?22:53??Lid\.settings\org.eclipse.wst.common.component
?????文件?????????396??2017-05-16?08:22??Lid\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2017-05-15?22:53??Lid\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2017-05-15?22:53??Lid\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2017-05-17?21:35??Lid\WebRoot\
?????目錄???????????0??2017-05-17?21:35??Lid\WebRoot\meta-INF\
?????文件??????????39??2017-05-17?21:35??Lid\WebRoot\meta-INF\MANIFEST.MF
?????目錄???????????0??2017-05-17?21:35??Lid\WebRoot\WEB-INF\
?????目錄???????????0??2017-05-17?21:35??Lid\WebRoot\WEB-INF\lib\
?????文件???????21128??2017-05-17?21:35??Lid\WebRoot\WEB-INF\lib\jstl-1.0.3.jar
?????文件??????414240??2017-05-17?21:35??Lid\WebRoot\WEB-INF\lib\jstl-1.2.jar
?????文件??????876733??2017-05-17?21:35??Lid\WebRoot\WEB-INF\lib\mysql-connector-java-5.1.29-bin.jar
?????文件??????517075??2017-05-17?21:35??Lid\WebRoot\WEB-INF\lib\standard-1.0.3.jar
?????文件????????2378??2017-05-17?21:35??Lid\WebRoot\WEB-INF\web.xml
?????文件????????2066??2017-05-17?22:07??Lid\WebRoot\book.jsp
?????文件????????1946??2017-05-17?22:07??Lid\WebRoot\common.jsp
?????文件????????2014??2017-05-17?22:07??Lid\WebRoot\delete.jsp
?????目錄???????????0??2017-05-17?21:35??Lid\WebRoot\images\
?????文件???????96859??2017-05-17?21:35??Lid\WebRoot\images\login01.jpg
?????文件????????1039??2017-05-17?22:07??Lid\WebRoot\login.jsp
?????文件????????2237??2017-05-17?22:07??Lid\WebRoot\select.jsp
?????文件????????2504??2017-05-17?22:07??Lid\WebRoot\update.jsp
?????目錄???????????0??2017-05-16?08:21??Lid\build\
............此處省略32個(gè)文件信息