ayanova7/source/bizobjects/AyaLib/GZTW.AyaNova.BLL/PartWarehouses.cs

///////////////////////////////////////////////////////////
//  PartWarehouses.cs
//  Implementation of Class PartWarehouses
//  CSLA type: Editable root collection 
//  Created on: 04-Nov-2004 
//  Object design: Joyce  
//	Coded: John 04-Nov-2004 
///////////////////////////////////////////////////////////

using System;
using System.Data;
using CSLA.Data;
using GZTW.Data;
using CSLA;


namespace GZTW.AyaNova.BLL 
{
    /// <summary>
    /// Editable Root collection of <see cref="PartWarehouse"/> objects
    /// </summary>
	[Serializable]
	public class PartWarehouses : BusinessCollectionBase 
	{
		#region Constructor
		
		//Private constructor prevents direction instantiation
		private PartWarehouses()
		{
			AllowSort=false;
			AllowFind=true;
			AllowEdit=true;
			AllowNew=true;
			AllowRemove=false;

		}

		#endregion

		#region Business properties and methods
		/// <summary>
		/// Locale key so that generic list editor
		/// UI code knows what title to give the list in a
		/// grid
		/// </summary>
		public string LocaleKey
		{
			get
			{
				return "PartWarehouse.Label.List";
			}
		}

		/// <summary>
		/// Retrieve PartWarehouse by index
		/// </summary>
		/// <param name="Item">Index</param>
		public PartWarehouse this[int Item]
		{
			get
			{
				return (PartWarehouse) List[Item];

			}
		}
	
		

		/// <summary>
		/// Remove PartWarehouse by passing it in
		/// </summary>
		/// <param name="obj"></param>
		public void Remove(PartWarehouse obj)
		{
			List.Remove(obj);
		}

        /// <summary>
        /// Remove by Guid value of ID
        /// </summary>
        /// <param name="ID"></param>
        public void Remove(Guid ID)
        {
            PartWarehouse delete = null;
            foreach (PartWarehouse child in List)
            {
                if (child.ID == ID)
                {
                    delete = child;
                    break;
                }

            }
            if (delete != null)
                Remove(delete);
        }

		/// <summary>
		/// Add a new PartWarehouse to the collection
		/// </summary>
		
		public PartWarehouse Add()
		{
			PartWarehouse child=PartWarehouse.NewItem();
			List.Add(child);
			return child;
		}
		/// <summary>
		/// Add PartWarehouse by passing it in
		/// </summary>
		/// <param name="obj"></param>
		public void Add(PartWarehouse obj)
		{
			List.Add(obj);
		}
        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
		protected override object OnAddNew()
		{
			PartWarehouse child=PartWarehouse.NewItem();
			List.Add(child);
			return child;
		}	


		#endregion		

		#region Contains

		/// <summary>
		/// Check if item in collection
		/// </summary>
		/// <param name="obj"></param>
		public bool Contains(PartWarehouse obj)
		{
			foreach (PartWarehouse child in List)
			{
				if(child.Equals(obj)) return true;
			}
			return false;

		}

		

		/// <summary>
		/// Check if item in deleted collection
		/// </summary>
		/// <param name="obj"></param>
		public bool ContainsDeleted(PartWarehouse obj)
		{
			foreach (PartWarehouse child in deletedList)
			{
				if(child.Equals(obj)) return true;
			}
			return false;

		}

		
		#endregion

		#region Static methods
	

		/// <summary>
		/// Get item collection
		/// </summary>
		///
		/// <returns></returns>
		public static PartWarehouses GetItems(bool Regional)
		{
			//in future specify criteria if filtering (e.g. filter by region)
			PartWarehouses col = new PartWarehouses();
			return (PartWarehouses)DataPortal.Fetch(new Criteria(Regional));
			
		}

		
		#endregion	

		#region DAL DATA ACCESS

		/// <summary>
		/// Fetch children 
		/// </summary>
		/// <param name="Criteria"></param>
		protected override void DataPortal_Fetch(object Criteria)
		{
			Criteria crit = (Criteria)Criteria;			
			SafeDataReader dr = null;				
			try
			{
				dr=DBUtil.GetReaderFromSQLString(DBUtil.AddRegionFilter("SELECT * FROM aPartWarehouse ORDER BY ANAME ","aPartWarehouse","",crit.Regional));
					while(dr.Read()) 
					{
						
						List.Add(PartWarehouse.GetItem(dr));
					}
					
					
					
				}
				finally
				{
					if(dr!=null) dr.Close();
				}			

			
			
		}

		/// <summary>
		/// Editable Root Collection Update
		/// </summary>
		protected override void DataPortal_Update()
		{
			using (IDbConnection connection = DBUtil.DB.GetConnection())
			{
				connection.Open();
				IDbTransaction tr = connection.BeginTransaction();
				try
				{

					//update (thus deleting) any deleted child objects
					foreach (PartWarehouse child in deletedList)
					{
						child.Update(tr);
					}

					//Now that they are deleted remove them from memory
					deletedList.Clear();

					foreach (PartWarehouse child in List)
					{
						child.Update(tr);

					}
			
					tr.Commit();
				}
				catch
				{
					tr.Rollback();
					throw;//WAS: throw(ex);
				}
			}
		}
		#endregion

		#region criteria
		/// <summary>
		/// Criteria for identifying existing object
		/// </summary>
		[Serializable]
			private class Criteria
		{
            public bool Regional;
				
			public Criteria(bool _Regional)
			{
                Regional = _Regional;
			}
			
		}
		#endregion
		
	}//end PartWarehouses

}//end namespace GZTW.AyaNova.BLL