我正在使用一个 IDbCommandInterceptor
实现:
public class MyInterceptor : IDbCommandInterceptor
{
public void ReaderExecuting(DbCommand command, DbCommandInterceptionContext<DbDataReader> interceptionContext)
{
var context = interceptionContext.DbContexts.FirstOrDefault();
}
public void NonQueryExecuting(DbCommand command, DbCommandInterceptionContext<int> interceptionContext)
{
}
public void ScalarExecuting(DbCommand command, DbCommandInterceptionContext<object> interceptionContext)
{
}
public void NonQueryExecuted(DbCommand command, DbCommandInterceptionContext<int> interceptionContext)
{
}
public void ReaderExecuted(DbCommand command, DbCommandInterceptionContext<DbDataReader> interceptionContext)
{
}
public void ScalarExecuted(DbCommand command, DbCommandInterceptionContext<object> interceptionContext)
{
}
}
通过这个注入:
public class TestContext : System.Data.Entity.DbContext
{
// …
public TestContext()
: base("TestConnectionString")
{
Database.SetInitializer<TestContext>(null);
DbInterception.Add(new MyInterceptor());
}
}
(也尝试在静态构造函数中。)
但是,interceptionContext.DbContexts始终为空。我如何获取正在执行的上下文实例?这可能吗?