public void Exec(AutoCall autoCall, string sql, List <DbParameter> parameters, ref string err, Action <object> action, Func <DbCommand, object> func) { lock (_execObj) { if (DbConnct(ref err)) { DbCommand cmd = dataServerProvider.CreateDbCommand(sql, conn); if (null != parameters) { foreach (var item in parameters) { cmd.Parameters.Add(item); } } object vObj = null; try { vObj = func(cmd); } catch (Exception ex) { conn.Close(); conn.Dispose(); conn = null; err = ex.ToString(); err += "\r\n\r\n" + sql; if (null != autoCall) { autoCall.ExecuteExcption(this.GetType(), this, "Exec", null, new Exception(err)); } //throw; } finally { cmd.Dispose(); if (null != conn) { if (disposableAndClose) { conn.Close(); } conn.Dispose(); } action(vObj); } } } }
Type LoadImplementTypeByMatchRule(MatchRule mr, Type interfaceType, AutoCall autoCall) { Type impl_type = null; Assembly objAss = null; string err = ""; string DllRelativePathOfImpl = mr.DllRelativePathOfImpl; if (!string.IsNullOrEmpty(DllRelativePathOfImpl)) { string dllFile = GetDllAbsolutePathByRelativePath(DllRelativePathOfImpl); if (!File.Exists(dllFile)) { return(null); } try { objAss = Assembly.LoadFrom(dllFile); } catch (Exception ex) { err = "加载程序集[" + dllFile + "]出错\r\n" + ex.ToString(); autoCall.ExecuteExcption(interfaceType, null, null, null, new Exception(err)); } } else { objAss = interfaceType.Assembly; //Assembly.GetExecutingAssembly(); //当前应用程序集 } if (null == objAss) { err = "加载程序集失败"; autoCall.ExecuteExcption(interfaceType, null, null, null, new Exception(err)); return(impl_type); } Regex rg1 = null; string mie = mr.MatchImplExpression; bool isIgnoreCase = mr.IgnoreCase; AutoCallMatch(autoCall, ref mie, ref rg1, ref isIgnoreCase); if ((!string.IsNullOrEmpty(mr.ImplementNameSpace)) && null == rg1) { string s = mr.ImplementNameSpace + "." + mie; Type type = null; try { type = objAss.GetType(s); } catch { } if (null == type) { return(impl_type); } if (type.IsImplementInterface(interfaceType)) { impl_type = type; } return(impl_type); } string fn1 = isIgnoreCase ? mie.ToLower() : mie; Type[] types = null; try { types = objAss.GetTypes(); } catch { } impl_type = GetImplTypeByTypes(types, interfaceType, autoCall, rg1, fn1, isIgnoreCase); return(impl_type); }
void Adapter() { if (string.IsNullOrEmpty(rootPath)) { return; } object[] arr = null; string resetKeyName = ""; Type interfaceType = null; Type implType = null; CKeyValue kv = null; MatchRule mr = null; object impl = null; object implNew = null; object impl_1 = null; bool isShowCode = false; bool isSingleCall = false; bool isSingleInstance = false; bool isUnSingleInstance = false; InstanceObj instanceObj = null; string unSingleInstanceStr = typeof(IUnSingleInstance).FullName; TempImpl temp = new TempImpl(); temp.codeCompiler = codeCompiler; bool enableCompiler = false; if (null != codeCompiler && null != dataServerProvider && null != DbHelper) { enableCompiler = true; } Action <object, Action> action = (obj, action1) => { if (null != obj) { if (null != (obj as IUnSingleInstance)) { isUnSingleInstance = true; isSingleCall = false; isSingleInstance = false; } if ((null != (obj as ISingleInstance) || isSingleCall) && false == isUnSingleInstance) { isSingleCall = true; isSingleInstance = true; action1?.Invoke(); } } }; Regex rg = null; string implName = ""; bool isIgnoreCase = false; AutoCall autoCall = null; FieldInfo[] fArr = null; // currentObj.GetType().GetFields(BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static); List <Type> objList = new List <Type>(); Type _objType = currentObj.GetType(); int n = 0; while (20 > n && typeof(object) != _objType && typeof(ImplementAdapter) != _objType) { objList.Add(_objType); _objType = _objType.BaseType; n++; } if (0 == objList.Count && null != currentObj) { objList.Add(currentObj.GetType()); } foreach (Type typeItem in objList) { fArr = typeItem.GetFields(BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance | BindingFlags.Static); foreach (FieldInfo p in fArr) { arr = p.GetCustomAttributes(typeof(AutoCall), true); if (0 == arr.Length) { continue; } autoCall = null; foreach (var item in arr) { if (null != (item as AutoCall)) { autoCall = (AutoCall)item; break; } } interfaceType = p.FieldType; if (!autoCall.LoadBeforeFilter(interfaceType)) { continue; } autoCall.errorLevels1 = errorLevels1; impl = null; impl_1 = null; implType = null; resetKeyName = null; isSingleInstance = false; isUnSingleInstance = false; instanceObj = null; arr = p.GetCustomAttributes(typeof(SingleCall), true); isSingleCall = 0 < arr.Length; resetKeyName = GetInterfaceName(interfaceType, autoCall); interfaceImplements.TryGetValue(resetKeyName, out instanceObj); if (null != instanceObj) { impl = instanceObj.newInstance; } if (null != instanceObj) { implName = ""; rg = null; isIgnoreCase = false; AutoCallMatch(autoCall, ref implName, ref rg, ref isIgnoreCase); if (null != rg) { if (!MatchImpl(rg, instanceObj.oldInstanceType, implName, isIgnoreCase)) { impl = null; } } } impl_1 = impl; action(impl, () => { impl = null; }); if (null == impl) { kv = GetKvByInterfaceType(interfaceType); mr = null == kv ? null : ((MatchRule)kv.Value); isShowCode = false; if (interfaceType.IsInterface) { if (null != mr) { isShowCode = mr.IsShowCode; implType = LoadImplementTypeByMatchRule(mr, interfaceType, autoCall); } else { implType = LoadImplementTypeByInterface(interfaceType, autoCall); } if (null == implType) { implType = LoadImplementTypeByAssemblies(interfaceType, autoCall); } if (enableCompiler && null == (autoCall as ExistCall)) { implNew = temp.NewImplement(interfaceType, implType, autoCall, isShowCode); if (null != implNew) { impl = implNew; } } if (null != implType && null == impl) { try { impl = Activator.CreateInstance(implType); } catch (Exception ex) { string err = "[" + implType.FullName + "] 实例可能缺少一个无参构造函数(或该类访问权限不够)\r\n" + ex.ToString(); autoCall.ExecuteExcption(interfaceType, null, null, null, new Exception(err)); //throw; } } } else { if (enableCompiler) { implType = interfaceType; interfaceType = typeof(IEmplyInterface); implNew = temp.NewImplement(interfaceType, implType, autoCall, isShowCode); if (null != implNew) { impl = implNew; } } if (null == impl && null != implType) { try { impl = Activator.CreateInstance(implType); } catch (Exception ex) { string err = "[" + implType.FullName + "] 实例可能缺少一个无参构造函数(或该类访问权限不够)\r\n" + ex.ToString(); autoCall.ExecuteExcption(interfaceType, null, null, null, new Exception(err)); //throw; } } } if (false == isUnSingleInstance) { action(impl, null); } if (null != impl && null == impl_1 && false == isSingleCall) { lock (_adapterOfImplement) { interfaceImplements.TryGetValue(resetKeyName, out instanceObj); if (null == instanceObj) { interfaceImplements.Add(resetKeyName, new InstanceObj() { newInstance = impl, oldInstanceType = implType }); } else { impl = instanceObj.newInstance; } } } } if (null == impl) { continue; } isSingleInstance = false; if (null != (impl as ISingleInstance)) { isSingleInstance = true; } if (isSingleInstance) { if (null == ((ISingleInstance)impl).Instance) { ((ISingleInstance)impl).Instance = impl; } } if (!autoCall.LoadAfterFilter(impl)) { continue; } p.SetValue(currentObj, impl); } } }
public object NewImplement(Type interfaceType, Type implementType, AutoCall autoCall_Impl, bool isShowCode) { object impl = null; string dir = Path.Combine(rootPath, dirName); if (!Directory.Exists(dir)) { return(impl); } DynamicCodeTempImpl dynamicCode = new DynamicCodeTempImpl(dirName); string classPath = ""; string code = dynamicCode.GetCodeByImpl(interfaceType, implementType, autoCall_Impl, ref classPath); if (!string.IsNullOrEmpty(code)) { string fn = "a" + Guid.NewGuid().ToString().Replace("-", "_"); string fn1 = fn + ".dll"; string dllFilePath = Path.Combine(dir, fn1); string err = ""; if (null == codeCompiler) { err = "请提供代码编译器"; autoCall_Impl.ExecuteExcption(interfaceType, null, null, null, new Exception(err)); return(null); } Assembly assObj = codeCompiler.TranslateCode(dllArr, "v4.0", code, dllFilePath, ref err); if (string.IsNullOrEmpty(err)) { try { Type type = assObj.GetType(classPath); impl = Activator.CreateInstance(type); instanceCount++; } catch (Exception ex) { err = "加载程序集时出错:\r\n" + ex.ToString(); } } else { autoCall_Impl.ExecuteExcption(interfaceType, null, null, null, new Exception(err)); } isShowCode = dynamicCode.IsDataInterface ? IsShowCodeOfDataResourceDLL : isShowCode; if (isShowCode) { if (!string.IsNullOrEmpty(err)) { dllFilePath = "\r\n/******************\r\n" + err; dllFilePath += "\r\n********/"; code += dllFilePath; } string fn2 = fn + ".cs"; string f2 = Path.Combine(dir, fn2); try { File.WriteAllText(f2, code); } catch { } } else { if (!string.IsNullOrEmpty(err)) { autoCall_Impl.e(err); } } } autoCall_Impl.CreateInstanceByInterface(interfaceType, impl, autoCall_Impl, instanceCount); return(impl); }