public MethodCallExpressionResolve(ExpressionParameter parameter) : base(parameter) { var express = base.Expression as MethodCallExpression; var isLeft = parameter.IsLeft; string methodName = express.Method.Name; var isValidNativeMethod = MethodMapping.ContainsKey(methodName) && express.Method.DeclaringType.Namespace == ("System"); List <MethodCallExpressionArgs> appendArgs = null; if (MethodTimeMapping.ContainsKey(methodName)) { appendArgs = new List <MethodCallExpressionArgs>(); var dateType = MethodTimeMapping[methodName]; string paramterName = this.Context.SqlParameterKeyWord + ExpressionConst.Const + this.Context.ParameterIndex; appendArgs.Add(new MethodCallExpressionArgs() { IsMember = false, MemberName = paramterName, MemberValue = dateType }); this.Context.Parameters.Add(new SugarParameter(paramterName, dateType.ToString())); this.Context.ParameterIndex++; methodName = "DateAdd"; isValidNativeMethod = true; } else if (methodName == "get_Item") { string paramterName = this.Context.SqlParameterKeyWord + ExpressionConst.Const + this.Context.ParameterIndex; this.Context.Parameters.Add(new SugarParameter(paramterName, ExpressionTool.DynamicInvoke(express))); this.Context.Result.Append(string.Format(" {0} ", paramterName)); this.Context.ParameterIndex++; return; } else if (methodName == "NewGuid") { this.Context.Result.Append(this.Context.DbMehtods.GuidNew()); return; } if (!isValidNativeMethod && express.Method.DeclaringType.Namespace.IsIn("System.Linq", "System.Collections.Generic") && methodName == "Contains") { methodName = "ContainsArray"; isValidNativeMethod = true; } if (isValidNativeMethod) { NativeExtensionMethod(parameter, express, isLeft, MethodMapping[methodName], appendArgs); } else { SqlFuncMethod(parameter, express, isLeft); } }
public MethodCallExpressionResolve(ExpressionParameter parameter) : base(parameter) { var express = base.Expression as MethodCallExpression; var isLeft = parameter.IsLeft; string methodName = express.Method.Name; var isValidNativeMethod = MethodMapping.ContainsKey(methodName) && express.Method.DeclaringType.Namespace == ("System"); List <MethodCallExpressionArgs> appendArgs = null; if (MethodTimeMapping.ContainsKey(methodName)) { appendArgs = new List <MethodCallExpressionArgs>(); var dateType = MethodTimeMapping[methodName]; string paramterName = this.Context.SqlParameterKeyWord + ExpressionConst.Const + this.Context.ParameterIndex; appendArgs.Add(new MethodCallExpressionArgs() { IsMember = false, MemberName = paramterName, MemberValue = dateType }); this.Context.Parameters.Add(new SugarParameter(paramterName, dateType.ToString())); this.Context.ParameterIndex++; methodName = "DateAdd"; isValidNativeMethod = true; } else if (methodName == "get_Item") { string paramterName = this.Context.SqlParameterKeyWord + ExpressionConst.Const + this.Context.ParameterIndex; this.Context.Parameters.Add(new SugarParameter(paramterName, ExpressionTool.DynamicInvoke(express))); this.Context.Result.Append(string.Format(" {0} ", paramterName)); this.Context.ParameterIndex++; return; } else if (methodName == "NewGuid") { this.Context.Result.Append(this.Context.DbMehtods.GuidNew()); return; } else if (IsSubMethod(express, methodName)) { //Check.Exception(!(parameter.BaseExpression is BinaryExpression), "Current expressions are not supported"); SubResolve subResolve = new SubResolve(express, this.Context, parameter.OppsiteExpression); var appendSql = subResolve.GetSql(); if (this.Context.ResolveType.IsIn(ResolveExpressType.SelectMultiple, ResolveExpressType.SelectSingle)) { parameter.BaseParameter.CommonTempData = appendSql; } else { base.AppendValue(parameter, isLeft, appendSql); } return; } if (IsContainsArray(express, methodName, isValidNativeMethod)) { methodName = "ContainsArray"; isValidNativeMethod = true; } if (isValidNativeMethod) { NativeExtensionMethod(parameter, express, isLeft, MethodMapping[methodName], appendArgs); } else { SqlFuncMethod(parameter, express, isLeft); } }
private bool IsValidNativeMethod(MethodCallExpression express, string methodName) { return(MethodMapping.ContainsKey(methodName) && express.Method.DeclaringType.Namespace == ("System")); }