private void AddTransactionMembers(CodeTypeDeclaration dataComponentClass)
        {
            Type transactionType = this.designTable.PropertyCache.TransactionType;

            if (transactionType != null)
            {
                CodeTypeReference type = CodeGenHelper.GlobalType(transactionType);
                dataComponentClass.Members.Add(CodeGenHelper.FieldDecl(type, DataComponentNameHandler.TransactionVariableName));
                CodeMemberProperty property = CodeGenHelper.PropertyDecl(type, DataComponentNameHandler.TransactionPropertyName, MemberAttributes.Assembly | MemberAttributes.Final);
                property.GetStatements.Add(CodeGenHelper.Return(CodeGenHelper.Field(CodeGenHelper.This(), DataComponentNameHandler.TransactionVariableName)));
                property.SetStatements.Add(CodeGenHelper.Assign(CodeGenHelper.Field(CodeGenHelper.This(), DataComponentNameHandler.TransactionVariableName), CodeGenHelper.Argument("value")));
                CodeStatement  initStmt       = CodeGenHelper.VariableDecl(CodeGenHelper.Type(typeof(int)), "i", CodeGenHelper.Primitive(0));
                CodeExpression testExpression = CodeGenHelper.Less(CodeGenHelper.Variable("i"), CodeGenHelper.Property(CodeGenHelper.Property(CodeGenHelper.This(), DataComponentNameHandler.SelectCmdCollectionPropertyName), "Length"));
                CodeStatement  incrementStmt  = CodeGenHelper.Assign(CodeGenHelper.Variable("i"), CodeGenHelper.BinOperator(CodeGenHelper.Variable("i"), CodeBinaryOperatorType.Add, CodeGenHelper.Primitive(1)));
                CodeExpression transaction    = CodeGenHelper.Property(CodeGenHelper.Indexer(CodeGenHelper.Property(CodeGenHelper.This(), DataComponentNameHandler.SelectCmdCollectionPropertyName), CodeGenHelper.Variable("i")), "Transaction");
                CodeExpression oldTransaction = CodeGenHelper.Variable("oldTransaction");
                CodeExpression newTransaction = CodeGenHelper.Field(CodeGenHelper.This(), DataComponentNameHandler.TransactionVariableName);
                CodeStatement  statement3     = this.GenerateSetTransactionStmt(transaction, oldTransaction, newTransaction);
                property.SetStatements.Add(CodeGenHelper.ForLoop(initStmt, testExpression, incrementStmt, new CodeStatement[] { statement3 }));
                CodeExpression exp         = CodeGenHelper.Property(CodeGenHelper.This(), DataComponentNameHandler.AdapterPropertyName);
                CodeExpression expression6 = CodeGenHelper.Property(exp, "DeleteCommand");
                transaction = CodeGenHelper.Property(expression6, "Transaction");
                property.SetStatements.Add(CodeGenHelper.If(CodeGenHelper.And(CodeGenHelper.IdNotEQ(exp, CodeGenHelper.Primitive(null)), CodeGenHelper.IdNotEQ(expression6, CodeGenHelper.Primitive(null))), this.GenerateSetTransactionStmt(transaction, oldTransaction, newTransaction)));
                expression6 = CodeGenHelper.Property(exp, "InsertCommand");
                transaction = CodeGenHelper.Property(expression6, "Transaction");
                property.SetStatements.Add(CodeGenHelper.If(CodeGenHelper.And(CodeGenHelper.IdNotEQ(exp, CodeGenHelper.Primitive(null)), CodeGenHelper.IdNotEQ(expression6, CodeGenHelper.Primitive(null))), this.GenerateSetTransactionStmt(transaction, oldTransaction, newTransaction)));
                expression6 = CodeGenHelper.Property(exp, "UpdateCommand");
                transaction = CodeGenHelper.Property(expression6, "Transaction");
                property.SetStatements.Add(CodeGenHelper.If(CodeGenHelper.And(CodeGenHelper.IdNotEQ(exp, CodeGenHelper.Primitive(null)), CodeGenHelper.IdNotEQ(expression6, CodeGenHelper.Primitive(null))), this.GenerateSetTransactionStmt(transaction, oldTransaction, newTransaction)));
                dataComponentClass.Members.Add(property);
            }
        }
コード例 #2
0
 internal static void GetSchemaIsInCollection(CodeStatementCollection statements, string dsName, string collectionName)
 {
     CodeStatement[] trueStms        = new CodeStatement[] { CodeGenHelper.Assign(CodeGenHelper.Property(CodeGenHelper.Variable("s1"), "Position"), CodeGenHelper.Primitive(0)), CodeGenHelper.Assign(CodeGenHelper.Property(CodeGenHelper.Variable("s2"), "Position"), CodeGenHelper.Primitive(0)), CodeGenHelper.ForLoop(CodeGenHelper.Stm(new CodeSnippetExpression("")), CodeGenHelper.And(CodeGenHelper.IdNotEQ(CodeGenHelper.Property(CodeGenHelper.Variable("s1"), "Position"), CodeGenHelper.Property(CodeGenHelper.Variable("s1"), "Length")), CodeGenHelper.EQ(CodeGenHelper.MethodCall(CodeGenHelper.Variable("s1"), "ReadByte", new CodeExpression[0]), CodeGenHelper.MethodCall(CodeGenHelper.Variable("s2"), "ReadByte", new CodeExpression[0]))), CodeGenHelper.Stm(new CodeSnippetExpression("")), new CodeStatement[] { CodeGenHelper.Stm(new CodeSnippetExpression("")) }), CodeGenHelper.If(CodeGenHelper.EQ(CodeGenHelper.Property(CodeGenHelper.Variable("s1"), "Position"), CodeGenHelper.Property(CodeGenHelper.Variable("s1"), "Length")), new CodeStatement[] { CodeGenHelper.Return(CodeGenHelper.Variable("type")) }) };
     CodeStatement[] statementArray2 = new CodeStatement[] { CodeGenHelper.Assign(CodeGenHelper.Variable("schema"), CodeGenHelper.Cast(CodeGenHelper.GlobalType(typeof(XmlSchema)), CodeGenHelper.Property(CodeGenHelper.Variable("schemas"), "Current"))), CodeGenHelper.Stm(CodeGenHelper.MethodCall(CodeGenHelper.Variable("s2"), "SetLength", new CodeExpression[] { CodeGenHelper.Primitive(0) })), CodeGenHelper.Stm(CodeGenHelper.MethodCall(CodeGenHelper.Variable("schema"), "Write", new CodeExpression[] { CodeGenHelper.Variable("s2") })), CodeGenHelper.If(CodeGenHelper.EQ(CodeGenHelper.Property(CodeGenHelper.Variable("s1"), "Length"), CodeGenHelper.Property(CodeGenHelper.Variable("s2"), "Length")), trueStms) };
     CodeStatement[] tryStmnts       = new CodeStatement[] { CodeGenHelper.VariableDecl(CodeGenHelper.GlobalType(typeof(XmlSchema)), "schema", CodeGenHelper.Primitive(null)), CodeGenHelper.Stm(CodeGenHelper.MethodCall(CodeGenHelper.Variable("dsSchema"), "Write", new CodeExpression[] { CodeGenHelper.Variable("s1") })), CodeGenHelper.ForLoop(CodeGenHelper.VariableDecl(CodeGenHelper.GlobalType(typeof(IEnumerator)), "schemas", CodeGenHelper.MethodCall(CodeGenHelper.MethodCall(CodeGenHelper.Variable(collectionName), "Schemas", new CodeExpression[] { CodeGenHelper.Property(CodeGenHelper.Variable("dsSchema"), "TargetNamespace") }), "GetEnumerator", new CodeExpression[0])), CodeGenHelper.MethodCall(CodeGenHelper.Variable("schemas"), "MoveNext", new CodeExpression[0]), CodeGenHelper.Stm(new CodeSnippetExpression("")), statementArray2) };
     CodeStatement[] finallyStmnts   = new CodeStatement[] { CodeGenHelper.If(CodeGenHelper.IdNotEQ(CodeGenHelper.Variable("s1"), CodeGenHelper.Primitive(null)), new CodeStatement[] { CodeGenHelper.Stm(CodeGenHelper.MethodCall(CodeGenHelper.Variable("s1"), "Close", new CodeExpression[0])) }), CodeGenHelper.If(CodeGenHelper.IdNotEQ(CodeGenHelper.Variable("s2"), CodeGenHelper.Primitive(null)), new CodeStatement[] { CodeGenHelper.Stm(CodeGenHelper.MethodCall(CodeGenHelper.Variable("s2"), "Close", new CodeExpression[0])) }) };
     CodeStatement[] statementArray5 = new CodeStatement[] { CodeGenHelper.VariableDecl(CodeGenHelper.GlobalType(typeof(MemoryStream)), "s1", CodeGenHelper.New(CodeGenHelper.GlobalType(typeof(MemoryStream)), new CodeExpression[0])), CodeGenHelper.VariableDecl(CodeGenHelper.GlobalType(typeof(MemoryStream)), "s2", CodeGenHelper.New(CodeGenHelper.GlobalType(typeof(MemoryStream)), new CodeExpression[0])), CodeGenHelper.Try(tryStmnts, new CodeCatchClause[0], finallyStmnts) };
     statements.Add(CodeGenHelper.VariableDecl(CodeGenHelper.GlobalType(typeof(XmlSchema)), "dsSchema", CodeGenHelper.MethodCall(CodeGenHelper.Variable(dsName), "GetSchemaSerializable", new CodeExpression[0])));
     statements.Add(CodeGenHelper.If(CodeGenHelper.MethodCall(CodeGenHelper.Variable(collectionName), "Contains", new CodeExpression[] { CodeGenHelper.Property(CodeGenHelper.Variable("dsSchema"), "TargetNamespace") }), statementArray5));
     statements.Add(CodeGenHelper.MethodCall(CodeGenHelper.Argument("xs"), "Add", new CodeExpression[] { CodeGenHelper.Variable("dsSchema") }));
 }