Examples of org.hibernate.Interceptor

org.hibernate.Interceptor
Allows user code to inspect and/or change property values. Inspection occurs before property values are written and after they are read from the database. There might be a single instance of Interceptor for a SessionFactory, or a new instance might be specified for each Session. Whichever approach is used, the interceptor must be serializable if the Session is to be serializable. This means that SessionFactory-scoped interceptors should implement readResolve(). The Session may not be invoked from a callback (nor may a callback cause a collection or proxy to be lazily initialized). Instead of implementing this interface directly, it is usually better to extend EmptyInterceptor and override only the callback methods of interest. @see SessionBuilder#interceptor(Interceptor) @see SharedSessionBuilder#interceptor() @see org.hibernate.cfg.Configuration#setInterceptor(Interceptor) @see EmptyInterceptor @author Gavin King


    //processes specific properties
    List<String> jaccKeys = new ArrayList<String>();




    Interceptor defaultInterceptor = DEFAULT_CONFIGURATION.getInterceptor();
    NamingStrategy defaultNamingStrategy = DEFAULT_CONFIGURATION.getNamingStrategy();


    Iterator propertyIt = preparedProperties.keySet().iterator();
    while ( propertyIt.hasNext() ) {
      Object uncastObject = propertyIt.next();

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    return getRawSession();
  }


  protected Session getRawSession() {
    if ( session == null ) {
      Interceptor interceptor = null;
      if (sessionInterceptorClass != null) {
        try {
          interceptor = (Interceptor) sessionInterceptorClass.newInstance();
        }
        catch (InstantiationException e) {

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    //processes specific properties
    List<String> jaccKeys = new ArrayList<String>();




    Interceptor defaultInterceptor = DEFAULT_CONFIGURATION.getInterceptor();
    NamingStrategy defaultNamingStrategy = DEFAULT_CONFIGURATION.getNamingStrategy();


    Iterator propertyIt = preparedProperties.keySet().iterator();
    while ( propertyIt.hasNext() ) {
      Object uncastObject = propertyIt.next();
      //had to be safe
      if ( uncastObject != null && uncastObject instanceof String ) {
        String propertyKey = (String) uncastObject;
        if ( propertyKey.startsWith( AvailableSettings.CLASS_CACHE_PREFIX ) ) {
          setCacheStrategy( propertyKey, preparedProperties, true, workingVars );
        }
        else if ( propertyKey.startsWith( AvailableSettings.COLLECTION_CACHE_PREFIX ) ) {
          setCacheStrategy( propertyKey, preparedProperties, false, workingVars );
        }
        else if ( propertyKey.startsWith( AvailableSettings.JACC_PREFIX )
            && ! ( propertyKey.equals( AvailableSettings.JACC_CONTEXT_ID )
            || propertyKey.equals( AvailableSettings.JACC_ENABLED ) ) ) {
          jaccKeys.add( propertyKey );
        }
      }
    }
    final Interceptor interceptor = instantiateCustomClassFromConfiguration(
        preparedProperties,
        defaultInterceptor,
        cfg.getInterceptor(),
        AvailableSettings.INTERCEPTOR,
        "interceptor",

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    protected Session getRawSession() {
    if ( session == null ) {
      SessionBuilder sessionBuilder = getEntityManagerFactory().getSessionFactory().withOptions();
      if (sessionInterceptorClass != null) {
        try {
          Interceptor interceptor = (Interceptor) sessionInterceptorClass.newInstance();
          sessionBuilder.interceptor( interceptor );
        }
        catch (InstantiationException e) {
          throw new PersistenceException("Unable to instanciate session interceptor: " + sessionInterceptorClass, e);
        }

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    if ( session == null ) {
      SessionBuilderImplementor sessionBuilder = internalGetEntityManagerFactory().getSessionFactory().withOptions();
      sessionBuilder.owner( this );
      if (sessionInterceptorClass != null) {
        try {
          Interceptor interceptor = (Interceptor) sessionInterceptorClass.newInstance();
          sessionBuilder.interceptor( interceptor );
        }
        catch (InstantiationException e) {
          throw new PersistenceException("Unable to instantiate session interceptor: " + sessionInterceptorClass, e);
        }

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  public static void registerInterceptor(Interceptor interceptor) {
    threadInterceptor.set(interceptor);
  }


  private static Interceptor getInterceptor() {
    Interceptor interceptor = threadInterceptor.get();
    return interceptor;
  }

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    return getRawSession();
  }


  protected Session getRawSession() {
    if ( session == null ) {
      Interceptor interceptor = null;
      if (sessionInterceptorClass != null) {
        try {
          interceptor = (Interceptor) sessionInterceptorClass.newInstance();
        }
        catch (InstantiationException e) {

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    //processes specific properties
    List<String> jaccKeys = new ArrayList<String>();




    Interceptor defaultInterceptor = DEFAULT_CONFIGURATION.getInterceptor();
    NamingStrategy defaultNamingStrategy = DEFAULT_CONFIGURATION.getNamingStrategy();


    Iterator propertyIt = preparedProperties.keySet().iterator();
    while ( propertyIt.hasNext() ) {
      Object uncastObject = propertyIt.next();

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    return getRawSession();
  }


  protected Session getRawSession() {
    if ( session == null ) {
      Interceptor interceptor = null;
      if (sessionInterceptorClass != null) {
        try {
          interceptor = (Interceptor) sessionInterceptorClass.newInstance();
        }
        catch (InstantiationException e) {

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    @Override
    public boolean onLoad(Object entity, Serializable id, Object[] state,
                                    String[] propertyNames, Type[] types) {
        boolean result = false;
        for (Iterator iterator = _interceptors.iterator(); iterator.hasNext();) {
            Interceptor interceptor = (Interceptor) iterator.next();
            if (interceptor.onLoad(entity, id, state, propertyNames, types)) {
                /* Returns true if one interceptor in the chain has 
                 * modified the object state 
                 */
                result = true;
            }

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