Bonjour,
Lors de l'enregistrement dans la base j'ai rencontrer l'erreur suivante:
Dans ma base j'ai deux tables:Aug 25, 2011 11:53:40 AM org.apache.myfaces.renderkit.ErrorPageWriter handleThrowable
SEVERE: An exception occurred
javax.faces.el.EvaluationException: javax.el.ELException: /home.xhtml at line 105 and column 118 action="#{parametreBean.save}": org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session: [fr.jsf.entity.Parametre#PARA_]
at javax.faces.component._MethodExpressionToMethodBinding.invoke(_MethodExpressionToMethodBinding.java:96)
at org.apache.myfaces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:100)
at javax.faces.component.UICommand.broadcast(UICommand.java:120)
at javax.faces.component.UIViewRoot._broadcastAll(UIViewRoot.java:978)
at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:275)
at javax.faces.component.UIViewRoot._process(UIViewRoot.java:1289)
at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:716)
at org.apache.myfaces.lifecycle.InvokeApplicationExecutor.execute(InvokeApplicationExecutor.java:34)
at org.apache.myfaces.lifecycle.LifecycleImpl.executePhase(LifecycleImpl.java:171)
at org.apache.myfaces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:189)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at fr.jsf.web.filter.HibernateSessionRequestFilter.doFilter(HibernateSessionRequestFilter.java:29)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:240)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:164)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:462)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:563)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:403)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:301)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:162)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:309)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
Caused by: javax.el.ELException: /home.xhtml at line 105 and column 118 action="#{parametreBean.save}": org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session: [fr.jsf.entity.Parametre#PARA_]
at org.apache.myfaces.view.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:95)
at javax.faces.component._MethodExpressionToMethodBinding.invoke(_MethodExpressionToMethodBinding.java:88)
... 29 more
Caused by: org.hibernate.NonUniqueObjectException: a different object with the same identifier value was already associated with the session: [fr.jsf.entity.Parametre#PARA_]
at org.hibernate.engine.StatefulPersistenceContext.checkUniqueness(StatefulPersistenceContext.java:638)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performUpdate(DefaultSaveOrUpdateEventListener.java:305)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsDetached(DefaultSaveOrUpdateEventListener.java:246)
at org.hibernate.event.def.DefaultUpdateEventListener.performSaveOrUpdate(DefaultUpdateEventListener.java:57)
at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:93)
at org.hibernate.impl.SessionImpl.fireUpdate(SessionImpl.java:742)
at org.hibernate.impl.SessionImpl.update(SessionImpl.java:730)
at org.hibernate.impl.SessionImpl.update(SessionImpl.java:722)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.hibernate.context.ThreadLocalSessionContext$TransactionProtectionWrapper.invoke(ThreadLocalSessionContext.java:345)
at $Proxy14.update(Unknown Source)
at fr.jsf.bean.ParametreDAOHibernate.alter(ParametreDAOHibernate.java:35)
at fr.jsf.bean.ParametreRN.save(ParametreRN.java:21)
at fr.jsf.bean.ParametreBean.save(ParametreBean.java:30)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.el.parser.AstValue.invoke(AstValue.java:262)
at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:278)
at org.apache.myfaces.view.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:83)
... 30 more
Mon projet est organisé comme suit:
- Pour le package fr.jsf.bean :
- Classe ParametreBean.java
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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96 package fr.jsf.bean; import java.util.ArrayList; import java.util.List; import javax.faces.bean.ManagedBean; import javax.faces.bean.SessionScoped; import javax.faces.component.UIInput; import javax.faces.context.ExternalContext; import javax.faces.context.FacesContext; import javax.faces.model.SelectItem; import org.apache.myfaces.custom.tree2.TreeNodeBase; import fr.jsf.entity.Application; import fr.jsf.entity.Parametre; @ManagedBean @SessionScoped public class ParametreBean { private Parametre parametre= new Parametre(); private String selectedItem; private List<SelectItem> selectItems; public void save(){ ParametreRN parametreRN= new ParametreRN(); Application appl=parametreRN.selectApplication(getSelectedItem()); getParametre(); parametre.setParaApplId(appl); parametre.setParaAdministrable(5); parametreRN.save(parametre); } public void alter(){ ParametreRN parametreRN= new ParametreRN(); Parametre param=parametreRN.selectParametre(parametre.getId()); param.setId(parametre.getId()); param.setParaDescription(parametre.getParaDescription()); UIInput app = (UIInput) FacesContext.getCurrentInstance().getViewRoot().findComponent("param:num1"); param.setParaNum1(parametre.getParaNum1()); app = (UIInput) FacesContext.getCurrentInstance().getViewRoot().findComponent("param:num2"); param.setParaNum2(parametre.getParaNum2()); param.setParaTexte1(parametre.getParaTexte1()); parametreRN.alter(param); } public void delete() { ParametreRN parametreRN= new ParametreRN(); Application appl=parametreRN.selectApplication(getSelectedItem()); parametre.setParaApplId(appl); parametreRN.delete(parametre); } public Parametre getParametre() { return parametre; } public void setParametre(Parametre parametre) { this.parametre = parametre; } public void clicLien() throws Exception{ ParametreRN parametreRN= new ParametreRN(); FacesContext facesContext = FacesContext.getCurrentInstance(); ExternalContext extContext = facesContext.getExternalContext(); TreeNodeBase tnb = (TreeNodeBase) extContext.getRequestMap().get("node"); Parametre param=parametreRN.selectParametre(tnb.getDescription()); selectedItem=param.getParaApplId().getApplLiblong(); setParametre(param); } public String getSelectedItem() { return selectedItem; } public void setSelectedItem(String selectedItem) { this.selectedItem = selectedItem; } public List<SelectItem> getSelectItems() { ParametreRN parametreRN= new ParametreRN(); List<Application> app=parametreRN.selectAllApplication(); selectItems = new ArrayList<SelectItem>(); for(int i=0;i<app.size();i++){ selectItems.add(new SelectItem(app.get(i).getApplLiblong(), app.get(i).getApplLiblong())); } return selectItems; } public void setSelectItems(List<SelectItem> selectItems) { this.selectItems = selectItems; } }
- Classe ParametreDAO
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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21 package fr.jsf.bean; import java.util.List; import fr.jsf.entity.Application; import fr.jsf.entity.Parametre; public interface ParametreDAO { public void save (Parametre parametre); public void delete (Parametre parametre); public void alter (Parametre parametre); public Application selectApplication(String application); public Parametre selectParametre(String parametre); public List<Application> selectAllApplication(); public String selectApplicationId(String application); public List<String> selectParametreId(String parametre); public List<Application> selectApplications(); public String selectParametreIde(String parametre); }
- Classe ParametreDAOHibernate
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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86 package fr.jsf.bean; import java.util.List; import org.hibernate.Query; import org.hibernate.Session; import fr.jsf.entity.Application; import fr.jsf.entity.Parametre; public class ParametreDAOHibernate implements ParametreDAO { private Session session; public Session getSession() { return session; } public void setSession(Session session) { this.session = session; } public void save(Parametre parametre) { parametre=(Parametre)session.get(Parametre.class, parametre); session.save(parametre); session.flush(); } public void delete(Parametre parametre) { session.delete(parametre); session.flush(); } public void alter(Parametre parametre) { session.update(parametre); session.flush(); } public Application selectApplication(String application){ Query query = session.createQuery("SELECT a FROM Application as a WHERE a.applLiblong =:param").setParameter("param",application); return (Application) query.uniqueResult(); } public Parametre selectParametre(String parametre){ Query query = session.createQuery("SELECT p FROM Parametre as p WHERE p.id =:param").setParameter("param",parametre); return (Parametre) query.uniqueResult(); } @SuppressWarnings("unchecked") public List<Application> selectAllApplication(){ return session.createCriteria(Application.class).list(); } public String selectApplicationId(String application){ Query query = session.createQuery("SELECT a.id FROM Application a WHERE a.applLiblong=:param").setParameter("param",application); return Integer.toString((Integer) query.uniqueResult()); } @SuppressWarnings("unchecked") public List<String> selectParametreId(String parametre){ Query query = session.createSQLQuery("SELECT p.PARA_MOTCLE FROM GEDPARAMETRAGE p WHERE p.PARA_APPL_ID=:param").setParameter("param",parametre); return (List<String>) query.list(); } @SuppressWarnings("unchecked") public List<Application> selectApplications(){ Query query = session.createQuery("SELECT a.applLiblong FROM Application as a"); return (List<Application>)query.list(); } public String selectParametreIde(String parametre){ Query query = session.createQuery("SELECT p.id FROM Parametre p WHERE p.id=:param").setParameter("param",parametre); return (String) query.uniqueResult(); } }
- Classe ParametreRN
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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66 package fr.jsf.bean; import java.util.List; import fr.jsf.entity.Application; import fr.jsf.entity.Parametre; import fr.jsf.hibernate.DAOFactory; public class ParametreRN { private ParametreDAO parametreDAO; public ParametreRN(){ parametreDAO=DAOFactory.createParametreDAO(); } public void save(Parametre parametre) { if(parametreDAO.selectParametre(parametre.getId())==null) parametreDAO.save(parametre); else parametreDAO.alter(parametre); } public void delete(Parametre parametre) { parametreDAO.delete(parametre); } public void alter(Parametre parametre) { parametreDAO.alter(parametre); } public Application selectApplication(String application){ return parametreDAO.selectApplication(application); } public Parametre selectParametre(String parametre){ return parametreDAO.selectParametre(parametre); } public List<Application> selectAllApplication(){ return parametreDAO.selectAllApplication(); } public String selectApplicationId(String application){ return parametreDAO.selectApplicationId(application); } public List<String> selectParametreId(String parametre){ return parametreDAO.selectParametreId(parametre); } public List<Application> selectApplications(){ return parametreDAO.selectApplications(); } public String selectParametreIde(String parametre){ return parametreDAO.selectParametreIde(parametre); } }
- Pour le package fr.jsf.entity:
- Classe Application
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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194 package fr.jsf.entity; import java.io.Serializable; import java.util.HashSet; import java.util.Set; import javax.persistence.CascadeType; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.Id; import javax.persistence.OneToMany; import javax.persistence.Table; @Entity @Table(name="GEDAPPLICATION") public class Application implements Serializable{ private static final long serialVersionUID = 1L; @Id @Column(name="APPL_ID") private Integer id; @Column(name="APPL_LIBLONG") private String applLiblong; @Column(name="APPL_LIBCOURT") private String applLibcourt; @Column(name="APPL_PLANNING") private Integer applPlannig; @Column(name="APPL_FLAG_ACTIF") private Integer applFlagActif; @Column(name="APPL_GERE_FLUX") private Integer applGereFlux; @Column(name="APPL_PARAM_INSTANCE") private Integer applParamInstance; @Column(name="APPL_SERVICE") private Integer applService; @Column(name="APPL_FLAG_VIRTUEL") private Integer applFlagVirtuel; @OneToMany(mappedBy = "paraApplId", cascade = { CascadeType.ALL }) private Set<Parametre> apps = new HashSet<Parametre>(); public Application(){super();} public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getApplLiblong() { return applLiblong; } public void setApplLiblong(String ApplLiblong) { this.applLiblong = ApplLiblong; } public Set<Parametre> getApps() { return apps; } public void setApps(Set<Parametre> apps) { this.apps = apps; } public String getApplLibcourt() { return applLibcourt; } public void setApplLibcourt(String applLibcourt) { this.applLibcourt = applLibcourt; } public Integer getApplPlannig() { return applPlannig; } public void setApplPlannig(Integer applPlannig) { this.applPlannig = applPlannig; } public Integer getApplFlagActif() { return applFlagActif; } public void setApplFlagActif(Integer applFlagActif) { this.applFlagActif = applFlagActif; } public Integer getApplGereFlux() { return applGereFlux; } public void setApplGereFlux(Integer applGereFlux) { this.applGereFlux = applGereFlux; } public Integer getApplParamInstance() { return applParamInstance; } public void setApplParamInstance(Integer applParamInstance) { this.applParamInstance = applParamInstance; } public Integer getApplService() { return applService; } public void setApplService(Integer applService) { this.applService = applService; } public Integer getApplFlagVirtuel() { return applFlagVirtuel; } public void setApplFlagVirtuel(Integer applFlagVirtuel) { this.applFlagVirtuel = applFlagVirtuel; } @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + ((applFlagActif == null) ? 0 : applFlagActif.hashCode()); result = prime * result + ((applFlagVirtuel == null) ? 0 : applFlagVirtuel.hashCode()); result = prime * result + ((applGereFlux == null) ? 0 : applGereFlux.hashCode()); result = prime * result + ((applLibcourt == null) ? 0 : applLibcourt.hashCode()); result = prime * result + ((applLiblong == null) ? 0 : applLiblong.hashCode()); result = prime * result + ((applParamInstance == null) ? 0 : applParamInstance .hashCode()); result = prime * result + ((applPlannig == null) ? 0 : applPlannig.hashCode()); result = prime * result + ((applService == null) ? 0 : applService.hashCode()); result = prime * result + ((apps == null) ? 0 : apps.hashCode()); result = prime * result + ((id == null) ? 0 : id.hashCode()); return result; } @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (getClass() != obj.getClass()) return false; Application other = (Application) obj; if (applFlagActif == null) { if (other.applFlagActif != null) return false; } else if (!applFlagActif.equals(other.applFlagActif)) return false; if (applFlagVirtuel == null) { if (other.applFlagVirtuel != null) return false; } else if (!applFlagVirtuel.equals(other.applFlagVirtuel)) return false; if (applGereFlux == null) { if (other.applGereFlux != null) return false; } else if (!applGereFlux.equals(other.applGereFlux)) return false; if (applLibcourt == null) { if (other.applLibcourt != null) return false; } else if (!applLibcourt.equals(other.applLibcourt)) return false; if (applLiblong == null) { if (other.applLiblong != null) return false; } else if (!applLiblong.equals(other.applLiblong)) return false; if (applParamInstance == null) { if (other.applParamInstance != null) return false; } else if (!applParamInstance.equals(other.applParamInstance)) return false; if (applPlannig == null) { if (other.applPlannig != null) return false; } else if (!applPlannig.equals(other.applPlannig)) return false; if (applService == null) { if (other.applService != null) return false; } else if (!applService.equals(other.applService)) return false; if (apps == null) { if (other.apps != null) return false; } else if (!apps.equals(other.apps)) return false; if (id == null) { if (other.id != null) return false; } else if (!id.equals(other.id)) return false; return true; } }
- Classe Parametre
Code : Sélectionner tout - Visualiser dans une fenêtre à part
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198 package fr.jsf.entity; import java.io.Serializable; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.FetchType; import javax.persistence.Id; import javax.persistence.JoinColumn; import javax.persistence.ManyToOne; import javax.persistence.Table; @Entity @Table(name="GEDPARAMETRAGE") public class Parametre implements Serializable{ private static final long serialVersionUID = 1L; @Id @Column(name="PARA_MOTCLE") private String id; @Column(name="PARA_TEXTE1") private String paraTexte1; @Column(name="PARA_DESCRIPTION") private String paraDescription; @Column(name="PARA_NUM1") private Integer paraNum1; @Column(name="PARA_NUM2") private Integer paraNum2; @Column(name="PARA_ADMINISTRABLE") private Integer paraAdministrable; @Column(name="PARA_FLAG_FONC") private Integer paraFlagFonc; @Column(name="PARA_FLAG_TECH") private Integer paraFlagTech; @ManyToOne(fetch=FetchType.LAZY) @JoinColumn(name = "PARA_APPL_ID", nullable = false) private Application paraApplId; public Parametre(){super();} public String getId() { return id; } public void setId(String id) { this.id = id; } public Application getParaApplId() { return paraApplId; } public void setParaApplId(Application paraApplId) { this.paraApplId = paraApplId; } public String getParaTexte1() { return paraTexte1; } public void setParaTexte1(String paraTexte1) { this.paraTexte1 = paraTexte1; } public String getParaDescription() { return paraDescription; } public void setParaDescription(String paraDescription) { this.paraDescription = paraDescription; } public Integer getParaNum1() { return paraNum1; } public void setParaNum1(Integer paraNum1) { this.paraNum1 = paraNum1; } public Integer getParaNum2() { return paraNum2; } public void setParaNum2(Integer paraNum2) { this.paraNum2 = paraNum2; } public Integer getParaFlagFonc() { return paraFlagFonc; } public void setParaFlagFonc(Integer paraFlagFonc) { this.paraFlagFonc = paraFlagFonc; } public Integer getParaFlagTech() { return paraFlagTech; } public void setParaFlagTech(Integer paraFlagTech) { this.paraFlagTech = paraFlagTech; } public Integer getParaAdministrable() { return paraAdministrable; } public void setParaAdministrable(Integer paraAdministrable) { this.paraAdministrable = paraAdministrable; } @Override public int hashCode() { final int prime = 31; int result = 1; result = prime * result + ((id == null) ? 0 : id.hashCode()); result = prime * result + ((paraAdministrable == null) ? 0 : paraAdministrable .hashCode()); result = prime * result + ((paraApplId == null) ? 0 : paraApplId.hashCode()); result = prime * result + ((paraDescription == null) ? 0 : paraDescription.hashCode()); result = prime * result + ((paraFlagFonc == null) ? 0 : paraFlagFonc.hashCode()); result = prime * result + ((paraFlagTech == null) ? 0 : paraFlagTech.hashCode()); result = prime * result + ((paraNum1 == null) ? 0 : paraNum1.hashCode()); result = prime * result + ((paraNum2 == null) ? 0 : paraNum2.hashCode()); result = prime * result + ((paraTexte1 == null) ? 0 : paraTexte1.hashCode()); return result; } @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (getClass() != obj.getClass()) return false; Parametre other = (Parametre) obj; if (id == null) { if (other.id != null) return false; } else if (!id.equals(other.id)) return false; if (paraAdministrable == null) { if (other.paraAdministrable != null) return false; } else if (!paraAdministrable.equals(other.paraAdministrable)) return false; if (paraApplId == null) { if (other.paraApplId != null) return false; } else if (!paraApplId.equals(other.paraApplId)) return false; if (paraDescription == null) { if (other.paraDescription != null) return false; } else if (!paraDescription.equals(other.paraDescription)) return false; if (paraFlagFonc == null) { if (other.paraFlagFonc != null) return false; } else if (!paraFlagFonc.equals(other.paraFlagFonc)) return false; if (paraFlagTech == null) { if (other.paraFlagTech != null) return false; } else if (!paraFlagTech.equals(other.paraFlagTech)) return false; if (paraNum1 == null) { if (other.paraNum1 != null) return false; } else if (!paraNum1.equals(other.paraNum1)) return false; if (paraNum2 == null) { if (other.paraNum2 != null) return false; } else if (!paraNum2.equals(other.paraNum2)) return false; if (paraTexte1 == null) { if (other.paraTexte1 != null) return false; } else if (!paraTexte1.equals(other.paraTexte1)) return false; return true; } }
- Pour le package fr.jsf.hibernate:
- Classe DAOFactory
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15 package fr.jsf.hibernate; import fr.jsf.bean.ParametreDAO; import fr.jsf.bean.ParametreDAOHibernate; public class DAOFactory { public static ParametreDAO createParametreDAO(){ ParametreDAOHibernate parametreDAO = new ParametreDAOHibernate(); parametreDAO.setSession(HibernateUtil.getSf().getCurrentSession()); return parametreDAO; } }
- Classe HibernateUtil
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28 package fr.jsf.hibernate; import org.hibernate.SessionFactory; import org.hibernate.cfg.Configuration; public class HibernateUtil { private static final SessionFactory sF = buildSessionFactory(); public static SessionFactory buildSessionFactory(){ try{ Configuration cfg = new Configuration(); cfg.configure("hibernate.cfg.xml"); return cfg.buildSessionFactory(); }catch(Throwable ex){ System.out.println("Initial SessionFactory creation failed."+ex); throw new ExceptionInInitializerError(ex); } } public static SessionFactory getSf(){ return sF; } }
- Pour le package fr.jsf.web.filter:
- Classe HibernateSessionRequestFilter
Merci d'avance pour vos réponses.
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67 package fr.jsf.web.filter; import java.io.IOException; import javax.servlet.*; import fr.jsf.hibernate.HibernateUtil; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.hibernate.SessionFactory; import org.hibernate.StaleObjectStateException; public class HibernateSessionRequestFilter implements Filter { private static Log log = LogFactory.getLog(HibernateSessionRequestFilter.class); private SessionFactory sf; public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { try { log.debug("Starting a database transaction"); sf.getCurrentSession().beginTransaction(); // Call the next filter (continue request processing) chain.doFilter(request, response); // Commit and cleanup log.debug("Committing the database transaction"); sf.getCurrentSession().getTransaction().commit(); } catch (StaleObjectStateException staleEx) { log.error("This interceptor does not implement optimistic concurrency control!"); log.error("Your application will not work until you add compensation actions!"); // Rollback, close everything, possibly compensate for any permanent changes // during the conversation, and finally restart business conversation. Maybe // give the user of the application a chance to merge some of his work with // fresh data... what you do here depends on your applications design. throw staleEx; } catch (Throwable ex) { // Rollback only ex.printStackTrace(); try { if (sf.getCurrentSession().getTransaction().isActive()) { log.debug("Trying to rollback database transaction after exception"); sf.getCurrentSession().getTransaction().rollback(); } } catch (Throwable rbEx) { log.error("Could not rollback transaction after exception!", rbEx); } // Let others handle it... maybe another interceptor for exceptions? throw new ServletException(ex); } } public void init(FilterConfig filterConfig) throws ServletException { log.debug("Initializing filter..."); log.debug("Obtaining SessionFactory from static HibernateUtil singleton"); sf = HibernateUtil.getSf(); } public void destroy() {} }
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