/**

  * - Digitalis Internal Framework v2.0 -

  *

  * (C) 2007, Digitalis Informatica. 

  * 

  * Distribuicao e Gestao de Informatica, Lda.

  * Estrada de Paco de Arcos num.9 - Piso -1

  * 2780-666 Paco de Arcos

  * Telefone: (351) 21 4408990

  * Fax: (351) 21 4408999

  * http://www.digitalis.pt 

  */

 package pt.digitalis.dif.dem.annotations.parameter;

 import java.lang.annotation.ElementType;

 import java.lang.annotation.Retention;

 import java.lang.annotation.RetentionPolicy;

 import java.lang.annotation.Target;

 import pt.digitalis.dif.dem.annotations.AnnotationTags;

 import pt.digitalis.dif.dem.annotations.metaannotations.BindToPrimary;

 import pt.digitalis.dif.dem.objects.parameters.ParameterScope;

 /**

  * This annotation defines the kind of persistence that a parameter can have.

  * 

  * @author Rodrigo Gonçalves <a href="mailto:rgoncalves@digitalis.pt">rgoncalves@digitalis.pt</a>

  * @author Pedro Viegas <a href="mailto:pviegas@digitalis.pt">pviegas@digitalis.pt</a>

  * @created 2007/05/11

  * 

  * @see pt.digitalis.dif.dem.objects.parameters.IParameter

  */

 @Target(ElementType.FIELD)

 @Retention(RetentionPolicy.RUNTIME)

 @BindToPrimary( { "pt.digitalis.dif.dem.annotations.parameter.Parameter" })

 public @interface Persist {

     /** The parameter lifetime scope. */

     ParameterScope scope() default ParameterScope.REQUEST;

     /** The persistence option. If true the parameter persists between JVM restarts. */

     boolean repository() default false;

     /**

      * Only for USER scoped persistence. Anonymous access means an unauthenticated user. We have a session but not a

      * user logged in session. If true allows anonymous access issuing a warn and returning null. If false,

      * forces the launch of an exception on a anonymous access to a USER parameter

      */

     boolean allowAnonymous() default false;

     /** Defines the group of users that can access the parameter. */

     String groupVisibility() default AnnotationTags.DEFAULT_GROUP_VISIBILTY;

 }