예제 #1
0
        private Schema(Type tdoc)
        {
            lock (s_TypeLatch)
            {
                if (s_TypeLatch.Contains(tdoc))
                {
                    throw new DataException(StringConsts.CRUD_TYPED_DOC_RECURSIVE_FIELD_DEFINITION_ERROR.Args(tdoc.FullName));
                }

                s_TypeLatch.Add(tdoc);
                try
                {
                    m_Name = tdoc.AssemblyQualifiedName;


                    var tattrs = tdoc.GetCustomAttributes(typeof(TableAttribute), false).Cast <TableAttribute>();
                    m_TableAttrs = new List <TableAttribute>(tattrs);


                    m_FieldDefs = new OrderedRegistry <FieldDef>();
                    var props = GetFieldMembers(tdoc);
                    var order = 0;
                    foreach (var prop in props)
                    {
                        var fattrs = prop.GetCustomAttributes(typeof(FieldAttribute), false)
                                     .Cast <FieldAttribute>()
                                     .ToArray();

                        //20160318 DKh. Interpret [Field(CloneFromType)]
                        for (var i = 0; i < fattrs.Length; i++)
                        {
                            var attr = fattrs[i];
                            if (attr.CloneFromDocType == null)
                            {
                                continue;
                            }

                            if (fattrs.Length > 1)
                            {
                                throw new DataException(StringConsts.CRUD_TYPED_DOC_SINGLE_CLONED_FIELD_ERROR.Args(tdoc.FullName, prop.Name));
                            }

                            var clonedSchema = Schema.GetForTypedDoc(attr.CloneFromDocType);
                            var clonedDef    = clonedSchema[prop.Name];
                            if (clonedDef == null)
                            {
                                throw new DataException(StringConsts.CRUD_TYPED_DOC_CLONED_FIELD_NOTEXISTS_ERROR.Args(tdoc.FullName, prop.Name));
                            }

                            fattrs = clonedDef.Attrs.ToArray();//replace these attrs from the cloned target
                            break;
                        }

                        var fdef = new FieldDef(prop.Name, order, prop.PropertyType, fattrs, prop);
                        m_FieldDefs.Register(fdef);

                        order++;
                    }
                    s_TypedRegistry.Register(this);
                    m_TypedDocType = tdoc;
                }
                finally
                {
                    s_TypeLatch.Remove(tdoc);
                }
            }    //lock
        }
예제 #2
0
파일: Table.cs 프로젝트: chadfords/azos
 /// <summary>
 /// Creates an empty table
 /// </summary>
 public Table(Schema schema) : base(schema)
 {
     m_List = new List <Doc>();
 }
예제 #3
0
            /// <summary>
            /// Writes fielddef as JSON. Do not call this method directly, instead call rowset.ToJSON() or use JSONWriter class
            /// </summary>
            void IJsonWritable.WriteAsJson(System.IO.TextWriter wri, int nestingLevel, JsonWritingOptions options)
            {
                var attr = this[null];

                if (attr != null && attr.NonUI)
                {
                    wri.Write("{}");
                    return;  //nothing to write for NONUI
                }

                bool   typeIsNullable;
                string tp = JSONMappings.MapCLRTypeToJSON(m_Type, out typeIsNullable);

                var map = new Dictionary <string, object>
                {
                    { "Name", m_Name },
                    { "Order", m_Order },
                    { "Type", tp },
                    { "Nullable", typeIsNullable }
                };

                //20190322 DKh inner schema
                if (typeof(Doc).IsAssignableFrom(this.NonNullableType))
                {
                    map["IsDataDoc"]   = true;
                    map["IsAmorphous"] = typeof(IAmorphousData).IsAssignableFrom(this.NonNullableType);
                    map["IsForm"]      = typeof(Form).IsAssignableFrom(this.NonNullableType);

                    if (typeof(TypedDoc).IsAssignableFrom(this.NonNullableType))
                    {
                        var innerSchema = Schema.GetForTypedDoc(this.NonNullableType);
                        if (innerSchema.Any(fd => typeof(TypedDoc).IsAssignableFrom(fd.Type)))
                        {
                            map["DataDocSchema"] = "@complex";
                        }
                        else
                        {
                            map["DataDocSchema"] = innerSchema;
                        }
                    }
                }

                if (attr != null)
                {
                    map.Add("IsKey", attr.Key);
                    map.Add("IsRequired", attr.Required);
                    map.Add("Visible", attr.Visible);
                    if (attr.Default != null)
                    {
                        map.Add("Default", attr.Default);
                    }
                    if (attr.CharCase != CharCase.AsIs)
                    {
                        map.Add("CharCase", attr.CharCase);
                    }
                    if (attr.Kind != DataKind.Text)
                    {
                        map.Add("Kind", attr.Kind);
                    }
                    if (attr.MinLength != 0)
                    {
                        map.Add("MinLen", attr.MinLength);
                    }
                    if (attr.MaxLength != 0)
                    {
                        map.Add("MaxLen", attr.MaxLength);
                    }
                    if (attr.Min != null)
                    {
                        map.Add("Min", attr.Min);
                    }
                    if (attr.Max != null)
                    {
                        map.Add("Max", attr.Max);
                    }
                    if (attr.ValueList != null)
                    {
                        map.Add("ValueList", attr.ValueList);
                    }
                    if (attr.Description != null)
                    {
                        map.Add("Description", attr.Description);
                    }
                    //metadata content is in the internal format and not dumped
                }

                JsonWriter.WriteMap(wri, map, nestingLevel, options);
            }