/Source/Bifrost.Fakes/Entities/EntityContext.cs

#region License

//

// Copyright (c) 2008-2012, DoLittle Studios and Komplett ASA

//

// Licensed under the Microsoft Permissive License (Ms-PL), Version 1.1 (the "License")

// With one exception :

//   Commercial libraries that is based partly or fully on Bifrost and is sold commercially, 

//   must obtain a commercial license.

//

// You may not use this file except in compliance with the License.

// You may obtain a copy of the license at 

//

//   http://bifrost.codeplex.com/license

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

//

#endregion



using System;

using System.Collections.Generic;

using System.Linq;

using Bifrost.Entities;



namespace Bifrost.Fakes.Entities

{

    public class EntityContext<T> : IEntityContext<T>

    {

        private readonly List<T> _entities;

    	readonly List<T> _entitiesToDelete;



        public EntityContext()

        {

            _entities = new List<T>();

			_entitiesToDelete = new List<T>();

        }



        public EntityContext(IEnumerable<T> entities) : this()

        {

           Populate(entities);

        }



        public void Dispose()

        {}



        public IQueryable<T> Entities

        {

            get { return _entities.AsQueryable(); }

        }



        public void Attach(T entity)

        {

            _entities.Add(entity);

        }



        public void Insert(T entity)

        {

            _entities.Add(entity);

        }



        public void Update(T entity)

        {}



        public void Delete(T entity)

        {

			_entitiesToDelete.Add(entity);

        }



        public void Save(T entity)

        {

            

        }



        public bool CommitCalled = false;

        public void Commit()

        {

			foreach (var entity in _entitiesToDelete)

				_entities.Remove(entity);



        	_entitiesToDelete.Clear();

            CommitCalled = true;

        }



        public void Populate(IEnumerable<T> entities)

        {

            _entities.AddRange(entities);

        }

    }

}