Ejemplo n.º 1
0
        public override IParameter ReadParameterAttribute(MemberInfo memberInfo)
        {
            ParameterBase parameter = new ParameterBase();

            ParameterAttribute       statementParameterAttribute = (ParameterAttribute)Attribute.GetCustomAttribute(memberInfo, typeof(ParameterAttribute), true);
            SQLiteParameterAttribute sqliteParameterAttribute    = (SQLiteParameterAttribute)Attribute.GetCustomAttribute(memberInfo, typeof(SQLiteParameterAttribute), true);

            if (statementParameterAttribute == null)
            {
                if (sqliteParameterAttribute != null)
                {
                    throw AttributeException.ColumnAttributeNotFoundException(memberInfo, typeof(SQLiteParameterAttribute));
                }
                else
                {
                    return(null);
                }
            }


            SetParameterValue(parameter, memberInfo, statementParameterAttribute, sqliteParameterAttribute);


            if (string.IsNullOrWhiteSpace(statementParameterAttribute.ParameterName))
            {
                parameter.ParameterName = "@" + memberInfo.Name;
            }
            if (sqliteParameterAttribute != null && string.IsNullOrWhiteSpace(sqliteParameterAttribute.ParameterName))
            {
                parameter.ParameterName = "@" + memberInfo.Name;
            }

            return(null);
        }
Ejemplo n.º 2
0
        public override IColumn ReadColumnAttribute(MemberInfo memberInfo)
        {
            ColumnWithIdentity column = new ColumnWithIdentity();

            ColumnAttribute       columnAttribute       = (ColumnAttribute)Attribute.GetCustomAttribute(memberInfo, typeof(ColumnAttribute), true);
            SQLiteColumnAttribute sqliteColumnAttribute = (SQLiteColumnAttribute)Attribute.GetCustomAttribute(memberInfo, typeof(SQLiteColumnAttribute), true);

            if (columnAttribute == null)
            {
                if (sqliteColumnAttribute != null)
                {
                    throw AttributeException.ColumnAttributeNotFoundException(memberInfo, typeof(SQLiteColumnAttribute));
                }
                else
                {
                    return(null);
                }
            }


            SetColumnValue(column, memberInfo, columnAttribute, sqliteColumnAttribute);



            if (string.IsNullOrWhiteSpace(columnAttribute.ColumnName) &&
                (
                    sqliteColumnAttribute == null ||
                    (sqliteColumnAttribute != null && string.IsNullOrWhiteSpace(sqliteColumnAttribute.ColumnName))
                )
                )
            {
                //针对sqlServer,如果某个属性的ColumnAttribute.ColumnName为空,则自动在字段名加[]
                column.ColumnName = "[" + memberInfo.Name + "]";
            }
            //去除转义
            if (column.OutputAlias.StartsWith("["))
            {
                column.OutputAlias = column.OutputAlias.Substring(1, column.OutputAlias.Length - 1);
            }
            if (column.OutputAlias.EndsWith("]"))
            {
                column.OutputAlias = column.OutputAlias.Substring(0, column.OutputAlias.Length - 1);
            }


            if (sqliteColumnAttribute != null)
            {
                column.IsIdentity = sqliteColumnAttribute.IsIdentity;
                if (column.IsIdentity)
                {
                    column.InsertBehavior.Generate = false;                   //如果是IsIdentity则强制不要在Insert语句中包含此列
                }
                if (columnAttribute.ReturnAfterInsert == AttributeBoolean.Null && column.IsIdentity)
                {
                    column.ReturnAfterInsert = true;//如果ReturnAfterInsert=null则默认会取回自动增长的值
                }
            }
            return(column);
        }
Ejemplo n.º 3
0
        public override IParameter ReadParameterAttribute(MemberInfo memberInfo)
        {
            OracleParameter parameter = new OracleParameter();
            //oracle有个特殊情况,如果有独到OracleCursorAttribute则立刻返回true 无需StatementParameterAttribute标记也可
            OracleCursorAttribute cursorAttribute = (OracleCursorAttribute)Attribute.GetCustomAttribute(memberInfo, typeof(OracleCursorAttribute), true);

            if (cursorAttribute != null)
            {
                parameter.ParameterName = cursorAttribute.ParameterName;
                parameter.Direction     = ParameterDirection.Output;
                parameter.ParameterName = string.IsNullOrWhiteSpace(cursorAttribute.ParameterName) ? memberInfo.Name : parameter.ParameterName = cursorAttribute.ParameterName;
                //parameter.PropertyAdapter = new PropertyAdapter(memberInfo);
                if (memberInfo is PropertyInfo)
                {
                    PropertyInfo propertyInfo = (PropertyInfo)memberInfo;
                    parameter.PropertyType = propertyInfo.PropertyType;
                }
                else
                {
                    FieldInfo fieldInfo = (FieldInfo)memberInfo;
                    parameter.PropertyType = fieldInfo.FieldType;
                }
                parameter.IsCursor = true;
                return(parameter);
            }



            ParameterAttribute       statementParameterAttribute = (ParameterAttribute)Attribute.GetCustomAttribute(memberInfo, typeof(ParameterAttribute), true);
            OracleParameterAttribute oracleParameterAttribute    = (OracleParameterAttribute)Attribute.GetCustomAttribute(memberInfo, typeof(OracleParameterAttribute), true);

            if (statementParameterAttribute == null)
            {
                if (oracleParameterAttribute != null)
                {
                    throw AttributeException.ColumnAttributeNotFoundException(memberInfo, typeof(OracleParameterAttribute));
                }
                else
                {
                    return(null);
                }
            }


            SetParameterValue(parameter, memberInfo, statementParameterAttribute, oracleParameterAttribute);


            return(parameter);
        }
Ejemplo n.º 4
0
        public override IColumn ReadColumnAttribute(MemberInfo memberInfo)
        {
            ColumnWithIdentity column = new ColumnWithIdentity();

            ColumnAttribute      columnAttribute      = (ColumnAttribute)Attribute.GetCustomAttribute(memberInfo, typeof(ColumnAttribute), true);
            MySqlColumnAttribute mySqlColumnAttribute = (MySqlColumnAttribute)Attribute.GetCustomAttribute(memberInfo, typeof(MySqlColumnAttribute), true);

            if (columnAttribute == null)
            {
                if (mySqlColumnAttribute != null)
                {
                    throw AttributeException.ColumnAttributeNotFoundException(memberInfo, typeof(MySqlColumnAttribute));
                }
                else
                {
                    return(null);
                }
            }


            SetColumnValue(column, memberInfo, columnAttribute, mySqlColumnAttribute);


            if (column.OutputAlias.StartsWith("`"))
            {
                column.OutputAlias = column.OutputAlias.Substring(1, column.OutputAlias.Length - 1);
            }
            if (column.OutputAlias.EndsWith("`"))
            {
                column.OutputAlias = column.OutputAlias.Substring(0, column.OutputAlias.Length - 1);
            }

            if (mySqlColumnAttribute != null)
            {
                column.IsIdentity = mySqlColumnAttribute.IsIdentity;
                if (column.IsIdentity)
                {
                    column.InsertBehavior.Generate = false;                   //如果是IsIdentity则强制不要在Insert语句中包含此列
                }
                if (columnAttribute.ReturnAfterInsert == AttributeBoolean.Null && column.IsIdentity)
                {
                    column.ReturnAfterInsert = true;//如果ReturnAfterInsert=null则默认会取回自动增长的值
                }
            }

            return(column);
        }
Ejemplo n.º 5
0
        public override IColumn ReadColumnAttribute(MemberInfo memberInfo)
        {
            OracleColumn column = new OracleColumn();

            ColumnAttribute       columnAttribute       = (ColumnAttribute)Attribute.GetCustomAttribute(memberInfo, typeof(ColumnAttribute), true);
            OracleColumnAttribute oracleColumnAttribute = (OracleColumnAttribute)Attribute.GetCustomAttribute(memberInfo, typeof(OracleColumnAttribute), true);

            if (columnAttribute == null)
            {
                if (oracleColumnAttribute != null)
                {
                    throw AttributeException.ColumnAttributeNotFoundException(memberInfo, typeof(OracleColumnAttribute));
                }
                else
                {
                    return(null);
                }
            }


            SetColumnValue(column, memberInfo, columnAttribute, oracleColumnAttribute);


            if (column.OutputAlias.StartsWith("\""))
            {
                column.OutputAlias = column.OutputAlias.Substring(1, column.OutputAlias.Length - 1);
            }
            if (column.OutputAlias.EndsWith("\""))
            {
                column.OutputAlias = column.OutputAlias.Substring(0, column.OutputAlias.Length - 1);
            }

            if (oracleColumnAttribute != null)
            {
                column.Sequence = oracleColumnAttribute.Sequence;
                if (column.HasSequence)
                {
                    column.InsertBehavior.ValueBehavior   = ValueBehavior.UseValueExpression;
                    column.InsertBehavior.ValueExpression = column.Sequence + ".nextval";
                    if (columnAttribute.ReturnAfterInsert == AttributeBoolean.Null)
                    {
                        column.ReturnAfterInsert = true;//如果ReturnAfterInsert=null则默认会取回自动增长的值
                    }
                }
            }
            return(column);
        }