有没有办法在EF4中定义类似SQL触发器的机制？

public class TriggerInterceptor : IDbCommandInterceptor
{
    public void NonQueryExecuting(DbCommand command, DbCommandInterceptionContext<int> interceptionContext)
    {
        // 在此处添加自定义逻辑
    }

    public void NonQueryExecuted(DbCommand command, DbCommandInterceptionContext<int> interceptionContext)
    {
        // 在此处添加自定义逻辑
    }

    public void ReaderExecuting(DbCommand command, DbCommandInterceptionContext<DbDataReader> interceptionContext)
    {
        // 在此处添加自定义逻辑
    }

    public void ReaderExecuted(DbCommand command, DbCommandInterceptionContext<DbDataReader> interceptionContext)
    {
        // 在此处添加自定义逻辑
    }

    public void ScalarExecuting(DbCommand command, DbCommandInterceptionContext<object> interceptionContext)
    {
        // 在此处添加自定义逻辑
    }

    public void ScalarExecuted(DbCommand command, DbCommandInterceptionContext<object> interceptionContext)
    {
        // 在此处添加自定义逻辑
    }
}

DbInterception.Add(new TriggerInterceptor());

public void NonQueryExecuting(DbCommand command, DbCommandInterceptionContext<int> interceptionContext)
{
    if (command.CommandText.StartsWith("INSERT INTO"))
    {
        // 在此处添加自定义逻辑
    }
}