/**

  * - 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.Primary;

 /**

  * This annotation defines a meta-model element parameter. It can be used on POJOs annotated with any of the following:

  * <code>@ProviderDefinition</code>, <code>@ApplicationDefinition</code>, <code>@ServiceDefinition</code>,

  * <code>@StageDefinition</code>.

  * 

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

  * @created 2007/05/11

  */

 @Target(ElementType.FIELD)

 @Retention(RetentionPolicy.RUNTIME)

 @Primary

 public @interface Parameter {

     /** Parameter constraints. */

     String constraints() default AnnotationTags.NONE;

     /** The Parameter's default value. */

     String defaultValue() default AnnotationTags.NONE;

     /** The Parameter ID. */

     String id() default AnnotationTags.GENERATE_ID;

     /** The name of the form to link to for validation purposes */

     String linkToForm() default AnnotationTags.NONE;

     /** The regexpression constraint to add */

     String[] regexp() default {};

 }