/////////////////////////////////////////////////////////// // Rates.cs // Implementation of Class Rates // CSLA type: Editable root collection // Created on: 11-Nov-2004 // Object design: John // Coded: John 11-Nov-2004 /////////////////////////////////////////////////////////// using System; using System.Data; using CSLA.Data; using GZTW.Data; using CSLA; namespace GZTW.AyaNova.BLL { /// /// Editable root collection of objects /// [Serializable] public class Rates : BusinessCollectionBase { #region Constructor //Private constructor prevents direction instantiation private Rates() { AllowSort=false; AllowFind=true; AllowEdit=true; AllowNew=true; AllowRemove=true; } #endregion #region Business properties and methods /// /// Locale key so that generic list editor /// UI code knows what title to give the list in a /// grid /// public string LocaleKey { get { return "Rate.Label.List"; } } /// /// Retrieve Rate by index /// /// Index public Rate this[int Item] { get { return (Rate) List[Item]; } } /// /// Retrieve Rate by name /// returns null if not found /// /// rateName public Rate this[string rateName] { get { foreach (Rate child in List) { if (child.Name.Equals(rateName)) return child; } return null; } } /// /// Remove Rate by passing it in /// /// public void Remove(Rate obj) { List.Remove(obj); } /// /// Remove by Guid value of ID /// /// public void Remove(Guid ID) { Rate delete = null; foreach (Rate child in List) { if (child.ID == ID) { delete = child; break; } } if (delete != null) Remove(delete); } /// /// Add a new Rate to the collection /// public Rate Add() { Rate child=Rate.NewItem(); List.Add(child); return child; } /// /// Add Rate by passing it in /// /// public void Add(Rate obj) { List.Add(obj); } /// /// /// /// protected override object OnAddNew() { Rate child=Rate.NewItem(); List.Add(child); return child; } #endregion #region Contains /// /// Check if item in collection /// /// public bool Contains(Rate obj) { foreach (Rate child in List) { if(child.Equals(obj)) return true; } return false; } //case 2072 /// /// Check if item in collection by name /// /// Name of rate public bool Contains(String rateName) { foreach (Rate child in List) { if (child.Name.Equals(rateName)) return true; } return false; } /// /// Check if item in deleted collection /// /// public bool ContainsDeleted(Rate obj) { foreach (Rate child in deletedList) { if(child.Equals(obj)) return true; } return false; } #endregion #region Reporting /// /// Returns the report key which is a property of /// reports used to link all reports that can be used /// with a particular data source. /// public static string ReportKey { get { return "Rates"; } } #endregion #region Static methods /// /// Get item collection /// /// /// public static Rates GetItems(bool Regional) { //in future specify criteria if filtering (e.g. filter by region) Rates col = new Rates(); return (Rates)DataPortal.Fetch(new Criteria(Regional)); } #endregion #region DAL DATA ACCESS /// /// Fetch children /// /// protected override void DataPortal_Fetch(object Criteria) { Criteria crit = (Criteria)Criteria; SafeDataReader dr = null; try { dr = DBUtil.GetReaderFromSQLString(DBUtil.AddRegionFilter("SELECT * FROM aRate ORDER BY aRate.aName","aRate","",crit.Regional));//case 58 while(dr.Read()) { List.Add(Rate.GetItem(dr)); } } finally { if(dr!=null) dr.Close(); } } /// /// Editable Root Collection Update /// 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 (Rate child in deletedList) { child.Update(tr); } //Now that they are deleted remove them from memory deletedList.Clear(); foreach (Rate child in List) { child.Update(tr); } tr.Commit(); } catch { tr.Rollback(); throw;//WAS: throw(ex); } } } #endregion #region criteria /// /// Criteria for identifying existing object /// [Serializable] private class Criteria { public bool Regional; public Criteria(bool _Regional) { Regional = _Regional; } } #endregion }//end Rates }//end namespace GZTW.AyaNova.BLL