UnitOfWork

using System.Data.Entity;
using Freelancers.Infrastructure.Interfaces;

namespace Freelancers.Infrastructure.Implementations
{
    public class UnitOfWork : IUnitOfWork
    {
        private DbContext _database;
        private readonly IDatabaseFactory _databaseFactory;

        public UnitOfWork(IDatabaseFactory databaseFactory)
        {
            Ensure.Argument.NotNull(databaseFactory, "database");
            _databaseFactory = databaseFactory;
        }

        private DbContext DataContext
        {
            get { return _database ?? (_database = _databaseFactory.Get()); }
        }

        public void Commit()
        {
            DataContext.SaveChanges();
        }
    }
}