/*********************************************************************/
/*                                                                   */
/*                     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;
using System.ServiceModel;

namespace AgentService.Agent.Runtime
{
	/// <summary>
	//// Interface IPersistenceClient. Defines the PersistKnowledge operation that 
	/// can be used by the behaviour object to forse the persistence of a given
	/// knowledge.
	/// </summary>
    [ServiceContract]
	public interface IPersistenceClient : IRuntimeBindable
	{
		/// <summary>
		/// Persists a named knowledge of the agent. The implementation must
		/// aquire exclusive access to the knowledge and then persist it.
		/// Must throw an exception if the persistence operation fails.
		/// </summary>
		/// <param name="knowledge">reference to the knoweldge object</param>
		[OperationContract]
        void PersistKnowledge(AgentService.Agent.Knowledge.Knowledge knowledge);

		/// <summary>
		/// Persists a knowledge item of the a specified agent.
		/// </summary>
		/// <param name="kName">name of the knowledge object that Contains the specified item.</param>
		/// <param name="iName">name of the item to persist.</param>
		/// <param name="iValue">value of the item to persist.</param>
		/// <returns>true if the item has been persisted successfully.</returns>
		[OperationContract]
        bool PersistKnowledgeItem(string kName, string iName, object iValue);

	}
}