鍙戠幇緗戠珯鑰佹槸涓鍔ㄤ笉鍔?鍦―AO涓敤 Statistics stats = HibernateUtil.getSessionFactory().getStatistics();
鏌ョ湅浜嗙粺璁＄粨鏋?鍙戠幇鎵撳紑50涓猄ession鍙湁20涓叧闂簡.
鐪嬬粨鏋勪篃娌℃湁浠涔堥棶棰?鎴戜嬌鐢ㄤ袱涓猅hreadLocal 瀛樻斁Session 鍜孴ransaction,鍐嶇敤涓涓狥ilter鍘誨叧闂?鍚勪釜閰嶇疆琛ㄩ潰涓婁篃鏄病鏈夐棶棰?鍙槸鍋氭祴璇曠殑鏃跺欐墠鍙戠幇鍏抽棴Session鐨凢ilter鏍規湰灝辨槸娌℃湁榪愯,鎴栨槸鏈夋椂榪愯,鏈夋椂涓嶈繍琛?
浠旂粏鎯充簡鎯?璋冩暣浜嗕竴涓媠essionclosefilter鍜孲truts2鐨刦ilter鐨勯『搴忓涓?緇堜簬鍙互鍏抽棴浜?/p>
<filter>
<filter-name>HibernateSessionCloseFiler</filter-name>
<filter-class>com.hitecin.struts2.filter.HibernateSessionClose</filter-class>
</filter>
<filter>
<filter-name>struts-cleanup</filter-name>
<filter-class>org.apache.struts2.dispatcher.ActionContextCleanUp</filter-class>
</filter>
<filter>
<filter-name>struts2</filter-name>
<filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class>
</filter>
<filter-mapping>
<filter-name>HibernateSessionCloseFiler</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>struts-cleanup</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
]]>
at org.hibernate.engine.Collections.prepareCollectionForUpdate(Collections.java:202)
at org.hibernate.engine.Collections.processReachableCollection(Collections.java:185)
at org.hibernate.event.def.FlushVisitor.processCollection(FlushVisitor.java:37)
at org.hibernate.event.def.AbstractVisitor.processValue(AbstractVisitor.java:101)
at org.hibernate.event.def.AbstractVisitor.processValue(AbstractVisitor.java:61)
at org.hibernate.event.def.AbstractVisitor.processEntityPropertyValues(AbstractVisitor.java:55)
at org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:131)
at org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:196)
at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:76)
at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:26)
at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)
at com.hitecin.struts2.HibernateDAO.HibernateTemplate.run(HibernateTemplate.java:30)
at com.hitecin.struts2.HibernateDAO.HibernateSupport.createQuery(HibernateSupport.java:140)
at com.hitecin.struts2.productshow.ProductJspAction.execute(ProductJspAction.java:47)
at sun.reflect.GeneratedMethodAccessor242.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:585)
at com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:399)
at com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:262)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:224)
at com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:213)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:219)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:218)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:216)
at com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:150)
at org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:48)
at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:86)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:219)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:218)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:216)
at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:123)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:219)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:218)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:216)
at com.opensymphony.xwork2.interceptor.ParametersInterceptor.intercept(ParametersInterceptor.java:161)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:219)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:218)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:216)
at com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:105)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:219)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:218)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:216)
at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:83)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:219)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:218)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:216)
at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:207)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:219)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:218)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:216)
at com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:74)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:219)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:218)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:216)
at com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:127)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:219)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:218)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:216)
at org.apache.struts2.interceptor.ProfilingActivationInterceptor.intercept(ProfilingActivationInterceptor.java:107)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:219)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:218)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:216)
at org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:206)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:219)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:218)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:216)
at com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:115)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:219)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:218)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:216)
at com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:143)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:219)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:218)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:216)
at com.opensymphony.xwork2.interceptor.PrepareInterceptor.intercept(PrepareInterceptor.java:115)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:219)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:218)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:216)
at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:170)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:219)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:218)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:216)
at com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:123)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:219)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:218)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:216)
at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:176)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:219)
at com.opensymphony.xwork2.DefaultActionInvocation$2.doProfiling(DefaultActionInvocation.java:218)
at com.opensymphony.xwork2.util.profiling.UtilTimerStack.profile(UtilTimerStack.java:455)
at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:216)
at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:50)
at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:507)
at org.apache.struts2.dispatcher.FilterDispatcher.doFilter(FilterDispatcher.java:421)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
at org.apache.struts2.dispatcher.ActionContextCleanUp.doFilter(ActionContextCleanUp.java:99)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:70)
at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:173)
at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:229)
at com.caucho.server.hmux.HmuxRequest.handleRequest(HmuxRequest.java:420)
at com.caucho.server.port.TcpConnection.run(TcpConnection.java:514)
at com.caucho.util.ThreadPool.runTasks(ThreadPool.java:520)
at com.caucho.util.ThreadPool.run(ThreadPool.java:442)
at java.lang.Thread.run(Thread.java:595)
鍒嗘瀽紼嬪簭
ProductBean 涓湁涓Set priceSet,鑰屾垜鍦ㄥ悓涓涓柟娉曚腑鏈変袱嬈′嬌鐢ㄤ簡"from ProductBean..."鐨凥ql鍙ュ瓙,
铏界劧鎴戜嬌鐢ㄤ簡Lazy妯″紡,鍙袱嬈℃煡璇㈣繕鏄紩鐢ㄥ埌浜嗗悓涓涓狿roductBean涓殑priceSet;
鏀硅繘:
鍏跺疄鎴戜袱嬈＄敤鐨勬暟鎹槸涓嶄竴瑕佺殑,浣跨敤綺劇粏涓鐐圭殑鏌ヨ灝卞彲浠ヨВ鍐抽棶棰?濡傜涓嬈′嬌鐢?select p.name1,p.name2 from ProductBean as p ....",絎簩嬈＄敤"select p.name1,p.name3 from ProdcutBean as p..."
闂灝辮В鍐充簡
]]>
瑙ｅ帇zip鏂囦歡錛屾柊寤轟竴涓洰鏍囩洰褰旸ataBase錛屾妸瑙ｅ帇鍚庢枃浠朵腑鐨刣ata ,demo,lib鐩綍鎷峰埌DataBase涓?榪愯demo涓殑runServer.bat錛屽彲鍚姩鏈嶅姟錛岃繍琛宺unManager.bat鍙繍琛屽浘褰㈢晫闈?鏁版嵁搴撹交鏉炬悶瀹?鎵ц涓嬮潰SQL
CREATE TABLE EVENT
(EVENT_ID DOUBLE NOT NULL,
EVENT_DATE DATE,
TITLE VARCHAR(20)
)
鏂板緩宸ョ▼Test,騫跺垱寤哄瓙鐩綍src ,lib ,bin
鍦╯rc.events涓啓瀹炰綋綾籈vent.java
package events;
import java.util.Date;
public class Event
{
private Long id;
private String title;
private Date date;
public Event(){};
public Long getId()
{
return id;
}
public void setId(Long id)
{
this.id=id;
}
public Date getDate()
{
return date;
}
public void setDate(Date date)
{
this.date=date;
}
public String getTitle()
{
return title;
}
public void setTitle(String title)
{
this.title=title;
}
}
鍦ㄧ被鍚屼竴鐩綍涓嬪啓鏄犲皠鏂囦歡Event.hbm.xml
<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
">
<hibernate-mapping>
<class name="events.Event" table="EVENT">
<id name="id" column="EVENT_ID">
<generator class="native"/>
</id>
<property name="date" type="timestamp" column="EVENT_DATE"/>
<property name="title"/>
</class>
</hibernate-mapping>
鍦═est鏍圭洰褰曚笅鍐欓厤緗枃浠?Hibernate.hbm.xml
<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
">
<hibernate-configuration>
<session-factory>
<property name="connection.driver_class">org.hsqldb.jdbcDriver</property>
<property name="connection.url">jdbc:hsqldb:hsql://localhost</property>
<property name="connection.username">sa</property>
<property name="connection.password"></property>
<property name="connection.pool_size">1</property>
<property name="dialect">org.hibernate.dialect.HSQLDialect</property>
<property name="current_session_context_class">thread</property>
<property name="hbm2ddl.auto">create</property>
<mapping resource="events/Event.hbm.xml"/>
</session-factory>
</hibernate-configuration>
嫻嬭瘯鍦╯rc.util鍐橦ibernateUtil.java鍜屽湪src.events涓璄ventManager.java
package util;
import org.hibernate.*;
import org.hibernate.cfg.*;
public class HibernateUtil
{
private static final SessionFactory sessionFactory;
static
{
sessionFactory=new Configuration().configure().buildSessionFactory();
}
public static SessionFactory getSessionFactory()
{
return sessionFactory;
}
}
package events;
import org.hibernate.Session;
import java.util.Date;
import util.HibernateUtil;
public class EventManager
{
public static void main(String [] args)
{
EventManager mgr=new EventManager();
System.out.println("MEHTOD BEFORE ");
mgr.createAndStoreEvent("MyEvnet",new Date());
}
private void createAndStoreEvent(String title,Date theDate)
{
try{
Session session=HibernateUtil.getSessionFactory().getCurrentSession();
System.out.println("AFTER1");
session.beginTransaction();
if(session==null)
System.out.println("session==NULL");
Event theEvent=new Event();
theEvent.setTitle(title);
theEvent.setDate(theDate);
session.save(theEvent);
session.getTransaction().commit();
System.out.println("AFTER2");
HibernateUtil.getSessionFactory().close();
}
catch(Exception e)
{
System.out.println("AFTER");
//e.printStack();
System.out.println("EEE"+e.toString());
}
}
};
OK
鍐嶇敤Ant鏋勫緩
<?xml version="1.0" ?>
<project name="hibernate-tutorial" default="compile">
<property name="sourcedir" value="${basedir}/src"/>
<property name="targetdir" value="${basedir}/bin"/>
<property name="librarydir" value="${basedir}/lib"/>
<path id="libraries">
<fileset dir="${librarydir}">
<include name="*.jar"/>
</fileset>
</path>
<target name="clean">
<delete dir="${targetdir}"/>
<mkdir dir="${targetdir}"/>
</target>
<target name="compile" depends="clean,copy-resources,copyxml">
<javac srcdir="${sourcedir}" destdir="${targetdir}"
classpathref="libraries" />
</target>
<target name="copy-resources">
<copy todir="${targetdir}">
<fileset dir="${sourcedir}">
<exclude name="**/*.java"/>
</fileset>
</copy>
</target>
<target name="run" depends="compile">
<java fork="true" classname="events.EventManager" classpathref="libraries">
<classpath path="${targetdir}"/>
</java>
</target>
<target name="copyxml">
<copy todir="${targetdir}">
<fileset dir="${basedir}">
<include name="*.xml"/>
</fileset>
</copy>
</target>
</project>
鎶奌ibernate3鎵闇jar鍖呭拰hsql.jar鏀懼叆lib鐩綍銆?/p>
1.鎵鏈夌殑鎸佷箙鍖栧疄浣?persistent entity)綾婚兘搴旇闇瑕佷竴涓爣璇嗙灞炴?identifier),浠ヤ究浣跨敤Hibernate鎻愪緵鐨勬墍鏈夌壒鎬?涓鑸潵璇存垜浠篃涓嶄細鎿嶇旱鏍囪瘑絎?鎵浠ュ畠鐨剆etter鏂規硶搴旇涓簆rivate 鎴杙rotected
2.鎵鏈夋寔涔呭寲綾婚兘瑕佹眰鏈夋棤鍙傛暟鐨勬瀯閫犲櫒,鍥犱負Hibernate蹇呴』浣跨敤java鍙嶅皠鏈哄埗鏉ヤ負鎴戜滑鍒涘緩瀵硅薄,鏋勯犲櫒鐨勮闂駭鍒彲浠ユ槸private
]]>