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/*
 * JBoss, Home of Professional Open Source
 * Copyright 2008, Red Hat, Inc. and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.jdiameter.api.annotation;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;

/**
 * This annotation allows describe Java POJO object as Diameter avp element
 * 
 * @author [email protected]
 * @author  Alexandre Mendonca 
 * @author  Bartosz Baranowski 
 */
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
public @interface AvpDscr {
  
  /**
   * Return avp code
   * @return avp code
   */
  int code();
  
  /**
   * Return avp name
   * @return avp name
   */
  String name() default "unknown";
  
  /**
   * Return avp type
   * @return avp type
   */
  AvpType type();
  
  /**
   * Return avp vendor id
   * @return avp vendor id
   */
  long vendorId() default 0;
  
  /**
   * Return array of mandatory flags
   * @return array of mandatory flags
   */
  AvpFlag[] must() default {};
  
  /**
   * Return array optional flags
   * @return array optional flags
   */
  AvpFlag[] may() default {};
  
  /**
   * Return array flags which should not be set
   * @return array flags which should not be set
   */
  AvpFlag[] shldNot() default {};
  
  /**
   * Return array flags which must not be set
   * @return array flags which must not be set
   */
  AvpFlag[] mustNot() default {};
  
  /**
   * Return true if the flag can be encrypted
   * @return true if the flag can be encrypted
   */
  boolean mayEncr() default false;
  
  /**
   * Return array of avp child ( for grouped avp )
   * @return array of avp child
   */
  Child[] childs() default {};
}