/*********************************************************************/
/*                                                                   */
/*                     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;

namespace AgentService.Ontology.SL0 {

	/// <summary>
	/// This class implements the <code>=</code> operator of the FIPA SL0 action.
	/// </summary>
	[Serializable]
    public class Equals : AgentService.Ontology.Interfaces.Predicate {
		private object left;
		private object right;
	
		/// <summary>
		/// Constructs a = operator.
		/// </summary>
		public Equals() 
		{
			left = null;
			right = null;
		}
	
		/// <summary>
		/// Constructs a = operator with two given object (left and right values).
		/// </summary>
		/// <param name="l">The left object.</param>
		/// <param name="r">The right object.</param>
		public Equals(object l, object r) 
		{
			Left=l;
			Right=r;
		}
	
		/// <summary>
		/// The left value of the = operator.
		/// </summary>
		public object Left
		{
			set
			{
				try 
				{
					//Ontology.CheckIsTerm(value);
					left = value;
				}
				catch(OntologyException ex)
				{
					throw(ex);
				}
			}
			get
			{
				return this.left;
			}
		}
		
		/// <summary>
		/// The right value of the = operator.
		/// </summary>
		public object Right
		{
			set
			{
				try 
				{
					//Ontology.CheckIsTerm(value);
			
					right = value;
				}
		
				catch(OntologyException ex)
				{
					throw(ex);
				}
			}

			get
			{
				return this.right;
			}
		}
	
		
    }
}