/*
|-------------------------------------------------------------------------------|
|	Copyright © Computer Ease Limited								            |
|	Address: 1/9 Bloack-A Lalmatia, Dhaka-1207, Bangladesh			            |
|	Email: info@celimited.com, cease@bol-online.com, web: www.celimited.com     |
|	Unauthorized copy or distribution is strictly prohibited		            |
|	Author: S. M. Russel,  Last modified date: 18/04/2009						|
|-------------------------------------------------------------------------------|
*/

using System;
using System.Data;
using System.Data.SqlClient;
using Ease.Core.Model;
using System.Collections.Generic;
using Ease.Core;
using Ease.Core.DataAccess;

namespace Ease.Core.Model
{
    #region Framework: Service base

    public abstract class ServiceTemplate
    {
        private string _svcName;
        private string _endPoint;

        public ServiceTemplate(string svcName)
        {
            _svcName = svcName;
        }

        public ServiceTemplate()
        {
            _svcName = "";
        }


        public bool IsAlive
        {
            get { return true; }
        }

        public string ServiceName
        {
            get { return _svcName; }
            set { _svcName = value; }
        }

        internal void SetEndPoint(string value)
        {
            _endPoint = value;
        }

        protected string EndPoint
        {
            get { return _endPoint; }
        }

        protected void SetObjectID(ObjectTemplate ot, int id)
        {
            ot.SetID(id);
        }

        protected void SetObjectID(ObjectTemplate ot, long id)
        {
            ot.SetID((int)id);
        }

        protected void SetObjectState(ObjectTemplate ot, ObjectState state)
        {
            ot.SetState(state);
        }

        protected void SetObjectReadOnlyProperties(ObjectTemplate ot, params object[] propertyValues)
        {
            ot.SetReadOnlyProperties(propertyValues);
        }

        protected abstract T CreateObject<T>(DataReader dr)
            where T : ObjectTemplate;

        /// <summary>
        /// Return collection of objects of type T.
        /// </summary>
        /// <typeparam name="T">Type of object.</typeparam>
        /// <param name="dr">A valid datareader.</param>
        /// <returns>Return List of type T.</returns>
        protected List<T> CreateObjects<T>(DataReader dr)
            where T : ObjectTemplate
        {
            List<T> list = new List<T>();

            while (dr.Read())
            {
                T ot = this.CreateObject<T>(dr);
                
                ot.SetState(ObjectState.Saved);
                list.Add(ot);
            }

            return list;
        }
    }

    #endregion
}