///////////////////////////////////////////////////////////
//  Bool.cs
//  Implementation of Class WorkorderItemPartRequestExistanceChecker
//  CSLA type: Read-only object
//  Created on: 24-Oct-2005
//  Object design: John 
//	Coded: John 24-Oct-2005
///////////////////////////////////////////////////////////

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 
{
	/// <summary>
	/// Used internally to confirm the existance of a
	/// workorder item part request for the various inventory
	/// related objects
	/// </summary>
	[Serializable,EditorBrowsable(EditorBrowsableState.Never)]
	internal class WorkorderItemPartRequestExistanceChecker : ReadOnlyBase 
	{

		#region Attributes 		
		private bool mExists;
		#endregion

		#region Constructor	

		/// <summary>
		/// Private constructor to prevent direct instantiation
		/// </summary>
		private WorkorderItemPartRequestExistanceChecker()
		{			
		
		}
		#endregion


		
		

		#region Static methods
		

		

		internal static bool RequestExists(Guid WorkorderItemPartRequestID)
		{
					
			return ((WorkorderItemPartRequestExistanceChecker)DataPortal.Fetch(new Criteria(WorkorderItemPartRequestID ))).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 aWorkorderItemPartRequest WHERE " +
				"(aID = @ID)",crit.WorkorderItemPartRequestID
				))==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 WorkorderItemPartRequestID;

			public Criteria( Guid _WorkorderItemPartRequestID)
			{
				WorkorderItemPartRequestID=_WorkorderItemPartRequestID;

				
			}
			
		}
		#endregion
		
	}//end class

}//end namespace GZTW.AyaNova.BLL