init

2020-05-29 18:26:08 +08:00
commit 383af1f98f
118 changed files with 32595 additions and 0 deletions
--- a/ContosoUniversity.DAL/SchoolInterceptorLogging.cs
+++ b/ContosoUniversity.DAL/SchoolInterceptorLogging.cs
@@ -0,0 +1,78 @@
+using System;
+using System.Data.Common;
+using System.Data.Entity;
+using System.Data.Entity.Infrastructure.Interception;
+using System.Data.Entity.SqlServer;
+using System.Data.SqlClient;
+using System.Diagnostics;
+using System.Reflection;
+using System.Linq;
+using ContosoUniversity.Logging;
+
+namespace ContosoUniversity.DAL
+{
+    public class SchoolInterceptorLogging : DbCommandInterceptor
+    {
+        private ILogger _logger = new Logger();
+        private readonly Stopwatch _stopwatch = new Stopwatch();
+
+        public override void ScalarExecuting(DbCommand command, DbCommandInterceptionContext<object> interceptionContext)
+        {
+            base.ScalarExecuting(command, interceptionContext);
+            _stopwatch.Restart();
+        }
+
+        public override void ScalarExecuted(DbCommand command, DbCommandInterceptionContext<object> interceptionContext)
+        {
+            _stopwatch.Stop();
+            if (interceptionContext.Exception != null)
+            {
+                _logger.Error(interceptionContext.Exception, "Error executing command: {0}", command.CommandText);
+            }
+            else
+            {
+                _logger.TraceApi("SQL Database", "SchoolInterceptor.ScalarExecuted", _stopwatch.Elapsed, "Command: {0}: ", command.CommandText);
+            }
+            base.ScalarExecuted(command, interceptionContext);
+        }
+
+        public override void NonQueryExecuting(DbCommand command, DbCommandInterceptionContext<int> interceptionContext)
+        {
+            base.NonQueryExecuting(command, interceptionContext);
+            _stopwatch.Restart();
+        }
+
+        public override void NonQueryExecuted(DbCommand command, DbCommandInterceptionContext<int> interceptionContext)
+        {
+            _stopwatch.Stop();
+            if (interceptionContext.Exception != null)
+            {
+                _logger.Error(interceptionContext.Exception, "Error executing command: {0}", command.CommandText);
+            }
+            else
+            {
+                _logger.TraceApi("SQL Database", "SchoolInterceptor.NonQueryExecuted", _stopwatch.Elapsed, "Command: {0}: ", command.CommandText);
+            }
+            base.NonQueryExecuted(command, interceptionContext);
+        }
+
+        public override void ReaderExecuting(DbCommand command, DbCommandInterceptionContext<DbDataReader> interceptionContext)
+        {
+            base.ReaderExecuting(command, interceptionContext);
+            _stopwatch.Restart();
+        }
+        public override void ReaderExecuted(DbCommand command, DbCommandInterceptionContext<DbDataReader> interceptionContext)
+        {
+            _stopwatch.Stop();
+            if (interceptionContext.Exception != null)
+            {
+                _logger.Error(interceptionContext.Exception, "Error executing command: {0}", command.CommandText);
+            }
+            else
+            {
+                _logger.TraceApi("SQL Database", "SchoolInterceptor.ReaderExecuted", _stopwatch.Elapsed, "Command: {0}: ", command.CommandText);
+            }
+            base.ReaderExecuted(command, interceptionContext);
+        }
+    }
+}