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Framework/Collections/Generic/AssociatedEntityCollection.cs

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+using System;
+
+namespace Kreta.Framework.Collections.Generic
+{
+    public class AssociatedEntityCollection<OwnerEntityType, CollectionEntityType> : EntityCollection<CollectionEntityType>, IAssociatedEntityCollection<CollectionEntityType>, IAssociatedEntityCollection
+        where OwnerEntityType : Kreta.Framework.Entities.Entity
+        where CollectionEntityType : Kreta.Framework.Entities.Entity
+    {
+        private IEntityCollectionDA<CollectionEntityType> m_DA = null;
+
+        public AssociatedEntityCollection(IEntityCollectionDA<CollectionEntityType> collectionDA)
+        {
+            m_DA = collectionDA;
+        }
+
+        protected override void DoAdd(CollectionEntityType entity)
+        {
+            m_DA.AddItem(entity);
+            base.DoAdd(entity);
+        }
+
+        protected override void DoRemove(CollectionEntityType entity)
+        {
+            m_DA.DeleteItem(entity);
+            base.DoRemove(entity);
+        }
+
+        protected override void DoClear()
+        {
+            throw new NotSupportedException("AssociatedEntityCollection<OwnerEntityType, CollectionEntityType>.DoClear()");
+        }
+
+        public void Remove(CollectionEntityType entity)
+        {
+            DoRemove(entity);
+        }
+
+        public void Delete(CollectionEntityType entity)
+        {
+            DoRemove(entity);
+        }
+
+        public void RemoveAll()
+        {
+            CollectionEntityType[] tmp = new CollectionEntityType[m_Entities.Count];
+            m_Entities.CopyTo(tmp);
+            foreach (CollectionEntityType entity in tmp)
+            {
+                DoRemove(entity);
+            }
+        }
+
+        public void Load()
+        {
+            m_DA.LoadCollection(this);
+        }
+
+        #region IAssociatedEntityCollection Members
+
+        void IAssociatedEntityCollection.Remove(Kreta.Framework.Entities.Entity entity)
+        {
+            Remove((CollectionEntityType)entity);
+        }
+
+        void IAssociatedEntityCollection.Delete(Kreta.Framework.Entities.Entity entity)
+        {
+            Delete((CollectionEntityType)entity);
+        }
+
+        void IAssociatedEntityCollection.RemoveAll()
+        {
+            RemoveAll();
+        }
+
+        void IAssociatedEntityCollection.Load()
+        {
+            Load();
+        }
+
+        #endregion
+    }
+}