/*********************************************************************/
/*                                                                   */
/*                     AgentService Framework                        */
/*                       www.agentservice.it                         */
/*                                                                   */
/* Copyright (C) 2007 l.i.d.o. - DIST, University of Genoa, Italy    */
/* GNU Lesser General Public License                                 */
/*                                                                   */
/* This library 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,             */
/* version 2.1 of the License.                                       */
/*                                                                   */
/* This library 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 library; if not, write to the             */
/* Free Software Foundation, Inc., 59 Temple Place - Suite 330,      */
/* Boston, MA  02111-1307, USA.                                      */
/*                                                                   */
/*********************************************************************/
using System.Collections;
using System;
using AgentService.Ontology.Interfaces;

namespace AgentService.Ontology.SL0 {

	/// <summary>
	/// This class implements the <code>result</code> operator of the FIPA SL0 action.
	/// </summary>
    [Serializable]
	public class Result : AgentService.Ontology.Interfaces.Predicate {
		private Concept action;
		private object val;
	
		/// <summary>
		/// Constructs a result operator.
		/// </summary>
		public Result() 
		{
			action = null;
			val = null;
		}
	
		/// <summary>
		/// Constructs a result operator with given action and value attributes.
		/// </summary>
		/// <param name="a">The action attribute.</param>
		/// <param name="v">The value attribute.</param>
		public Result(Concept a, object v) 
		{
			Action=a;
			Value=v;
		}
	

		/// <summary>
		/// The action attribute of the result operator.
		/// </summary>
		public Concept Action
		{
			set
			{
				this.action=value;
			}

			get
			{
				return this.action;
			}
		}

		/// <summary>
		/// The action attribute of the result operator.
		/// </summary>
		public object Value
		{
			set
			{
				this.val=value;
			}

			get
			{
				return this.val;
			}
		}
		
	
		/// <summary>
		/// Gets an ArrayList that Contains items of the value attribute.
		/// </summary>
		/// <returns></returns>
		public ArrayList getItems() 
		{
			try
			{
				if (Value is ArrayList) 
				{
					return (ArrayList) this.val;
				}
				else 
				{
					ArrayList l = new ArrayList(1);
					if (this.val != null) 
					{
						l.Add(this.val);
					}
					return l;
				}
			}
			catch(OntologyException ex)
			{
				throw(ex);
			}
		}
	
		/// <summary>
		/// Sets the value attribute with an ArrayList object.
		/// </summary>
		/// <param name="l">The ArrayList object</param>
		public void setItems(ArrayList l) 
		{
			Value = l;
		}	
    }
}