namespace MyRepository.Domain.Infrastructure
{
public class Repository<TEntity> : IRepository<TEntity> where TEntity : class
{
protected BookStoreDbContext dbContext;
protected DbSet<TEntity> dbSet; public Repository(BookStoreDbContext dbContext)
{
this.dbContext = dbContext;
this.dbSet = dbContext.Set<TEntity>();
}
public void Insert(TEntity entity)
{
dbSet.Add(entity);
}
public void Update(TEntity entity)
{
dbSet.Attach(entity);
dbContext.Entry(entity).State = EntityState.Modified;
}
public void Delete(TEntity entity)
{
if (dbContext.Entry(entity).State == EntityState.Detached)
{
dbSet.Attach(entity);
}
dbSet.Remove(entity);
}
}
} /// <summary>
/// 用于对数据的保存操作
/// </summary>
public class UnitOfWork : IUnitOfWork
{
private readonly BookStoreDbContext _context;
public DbContext Context
{
get { return _context; }
} public event EventHandler Disposed; public bool IsDisposed { get; private set; }
public void Dispose()
{
Dispose(true);
}
public virtual void Dispose(bool disposing)
{
lock (this)
{
if (disposing && !IsDisposed)
{
_context.Dispose();
var evt = Disposed;
if (evt != null) evt(this, EventArgs.Empty);
Disposed = null;
IsDisposed = true;
GC.SuppressFinalize(this);
}
}
} public UnitOfWork(BookStoreDbContext context)
{
_context = context;
} public void Save()
{
_context.SaveChanges();
} ~UnitOfWork()
{
Dispose(false);
}
}
http://www.cnblogs.com/zhongxinWang/archive/2012/02/22/2360283.html