///////////////////////////////////////////////////////////
//  Bool.cs
//  Implementation of Class WorkorderStatusExistanceChecker
//  CSLA type: Read-only object
//  Created on: 4-Oct-2007
//  Object design: John 
//	Coded: 4-Oct-2007
///////////////////////////////////////////////////////////

using System;
using System.Data;
using CSLA.Data;
using GZTW.Data;
using CSLA;
using System.Threading;
using CSLA.Security;
using System.ComponentModel;



namespace GZTW.AyaNova.BLL
{
    //case 522
    /// <summary>
    ///Confirms the presence of an WorkorderStatus
    ///in the AyaNova database
    /// </summary>
    [Serializable, EditorBrowsable(EditorBrowsableState.Never)]
    internal class WorkorderStatusExistanceChecker : ReadOnlyBase
    {

        #region Attributes
        private bool mExists;
        #endregion

        #region Constructor

        /// <summary>
        /// Private constructor to prevent direct instantiation
        /// </summary>
        private WorkorderStatusExistanceChecker()
        {

        }
        #endregion


        #region Static methods




        internal static bool WorkorderStatusExists(Guid ID)
        {

            return ((WorkorderStatusExistanceChecker)DataPortal.Fetch(new Criteria(ID))).mExists;

        }


        #endregion

        #region DAL DATA ACCESS
        /// 
        /// <param Bool="Criteria"></param>
        protected override void DataPortal_Fetch(object Criteria)
        {
            Criteria crit = (Criteria)Criteria;

            if (DBUtil.ToGuid(DBUtil.GetScalarFromSQLString(
                "SELECT aID FROM aWorkorderStatus WHERE " +
                    "(aID = @ID)", crit.ID
                )) == Guid.Empty)
                this.mExists = false;
            else
                this.mExists = true;


        }



        #endregion

        #region criteria
        /// <summary>
        /// Criteria for identifying existing object
        /// </summary>
        [Serializable]
        private class Criteria
        {

            public Guid ID;
           
            public Criteria(Guid _ID)
            {
                ID = _ID;
               

            }

        }
        #endregion

    }//end class

}//end namespace GZTW.AyaNova.BLL