internal static void ParseLastPartOfPath(
MetadataClassList classes,
string path,
out string predecessorPath,
out string identifier,
out MetadataClass refClass,
out bool isExternalRef)
{
int length = path.LastIndexOf('.');
predecessorPath = length >= 0 ? path.Substring(0, length) : (string)null;
string pathItem = length >= 0 ? path.Substring(length + 1) : path;
if (string.IsNullOrEmpty(pathItem))
{
identifier = (string)null;
refClass = (MetadataClass)null;
isExternalRef = false;
}
else
{
SqlUtils.NavigationPathItem navigationPathItem = SqlUtils.NavigationPathItem.ParseItem(classes, pathItem);
identifier = navigationPathItem.Name;
refClass = navigationPathItem.RefClass;
isExternalRef = navigationPathItem.Through == SqlUtils.NavigationThrough.ExternalLink;
}
}
internal void LoadFromXml(XmlNode node)
{
MetadataClass metadataClass1 = this.Association.Class;
try
{
MetadataClass metadataClass2 = metadataClass1.Metadata.Classes.Need(XmlUtils.NeedAttr(node, "ref-class"));
this.FRefProperty = metadataClass2.Properties.Find(XmlUtils.GetAttr(node, "ref-property")) ?? metadataClass2.IDProperty;
this.FSelectorValue = node.Name == "case" ? XmlUtils.NeedAttr(node, "value") : string.Empty;
this.FAssociationObjectView = XmlUtils.GetAttr(node, "association-object-view", "default");
if (this.Association.Property.IsAggregation)
{
this.FAggregationRoleMemberName = XmlUtils.GetAttr(node, "role-prog-id", this.Association.Class.IdentName);
this.FAggregationBuiltIn = XmlUtils.GetBoolAttr(node, "is-built-in");
this.FAggregationType = (AggregationType)XmlUtils.GetEnumAttr(node, "aggregation-type", MetadataAssociationRef.FAggregationTypeNames, 0);
this.FAggregationObjectView = XmlUtils.GetAttr(node, "aggregation-object-view", "default");
metadataClass2.Childs.Ensure(this);
}
metadataClass2.ExternalRefs.Add(this);
}
catch (Exception ex)
{
throw new MetadataException(string.Format("Ошибка загрузки свойства {0}", (object)this.Association.Property.Name), ex);
}
}
public ApplicationMetadata(XmlNode sourceNode)
{
this.SourceNode = sourceNode;
this.Classes = new MetadataClassList();
this.ScriptLibraries = new MetadataScriptLibraries(sourceNode);
foreach (XmlNode selectNode in this.SourceNode.SelectNodes("class"))
{
string name = XmlUtils.NeedAttr(selectNode, "name");
MetadataClass metadataClass = this.Classes.Find(name);
if (metadataClass == null)
{
metadataClass = new MetadataClass(this, name, this.Classes.Count);
this.Classes.Add(metadataClass);
}
metadataClass.LoadFromXml(selectNode);
}
foreach (MetadataClass metadataClass in this.Classes)
{
metadataClass.LoadAssociations();
}
foreach (MetadataClass metadataClass in this.Classes)
{
metadataClass.LoadObjectViews();
}
foreach (MetadataClass metadataClass in this.Classes)
{
metadataClass.LoadVirtualProperties();
}
}
public static SqlUtils.NavigationPathItem ParseItem(
MetadataClassList classes,
string pathItem)
{
int length1 = pathItem.LastIndexOf('^');
if (length1 >= 0)
{
string identName = pathItem.Substring(0, length1);
return(new SqlUtils.NavigationPathItem(SqlUtils.NavigationThrough.ExternalLink, pathItem.Substring(length1 + 1), classes.FindByIdentName(identName) ?? throw new Exception(string.Format("Не найден класс \"{0}\".", (object)identName))));
}
int length2 = pathItem.LastIndexOf(':');
if (length2 >= 0)
{
string identName = pathItem.Substring(length2 + 1);
MetadataClass byIdentName = classes.FindByIdentName(identName);
if (byIdentName == null)
{
string format = "Не найден класс \"{0}\".";
if (identName.IndexOf("/") >= 0)
{
format += "Замечание: при задании составных идентификаторов в условиях поиска, символ \"/\" в именах классов необходимо заменять на символ \"_\".";
}
throw new Exception(string.Format(format, (object)identName));
}
return(new SqlUtils.NavigationPathItem(SqlUtils.NavigationThrough.Link, pathItem.Substring(0, length2), byIdentName));
}
MetadataClass byIdentName1 = classes.FindByIdentName(pathItem);
return(byIdentName1 != null ? new SqlUtils.NavigationPathItem(SqlUtils.NavigationThrough.Child, pathItem, byIdentName1) : new SqlUtils.NavigationPathItem(SqlUtils.NavigationThrough.Link, pathItem, (MetadataClass)null));
}
public bool TryFindMember(
string memberName,
out MetadataProperty property,
out MetadataChildRef childRef)
{
property = this.Properties.Find(memberName);
if (property != null)
{
childRef = (MetadataChildRef)null;
return(true);
}
MetadataClass byIdentName = this.Metadata.Classes.FindByIdentName(memberName);
if (byIdentName != null)
{
childRef = this.Childs.Find(byIdentName);
if (childRef != null)
{
return(true);
}
}
else
{
childRef = (MetadataChildRef)null;
}
return(false);
}
public StorageCommitPlan(DataStorage storage)
{
this.FStorage = storage;
if (storage.Session.MasterSession != null)
{
this.FMasterStorage = storage.Session.MasterSession[storage.Class];
}
this.FClass = storage.Class;
this.FSession = storage.Session;
this.FCreation = new UpdatePlan(PropertyStateFilter.Assigned);
this.FUpdating = new UpdatePlan(PropertyStateFilter.Modified);
this.FDeletion = new List <DataObject>();
foreach (DataObject update in storage.GetUpdateQueue())
{
if (update.IsDeleted)
{
if (!update.IsNew)
{
this.FDeletion.Add(update);
}
}
else if (update.IsNew)
{
this.FCreation.AddObject(update);
}
else if (update.IsPropertiesModified)
{
this.FUpdating.AddObject(update);
}
}
}
internal MetadataChildRef(MetadataAssociationRef aggregationRef, int index)
{
this.AggregationRef = aggregationRef;
aggregationRef.OwnerChildRef = this;
this.ChildClass = aggregationRef.Association.Class;
this.MemberName = aggregationRef.AggregationRoleMemberName;
this.Index = index;
}
public void GenerateClass(MetadataClass cls, StringBuilder sb)
{
CodeGenerator.GenerateDoc(string.Empty, "summary", cls.Caption, sb);
CodeGenerator.ApplyTemplate(cls, sb, "\npublic class {Type}: DataObject\n{\n\tpublic {Type}(): base() { }\n\tpublic {Type}Meta Meta { get { return (({QType}Storage)Storage).Meta; } }\n\tnew public {Type}Storage Storage { get { return ({QType}Storage)base.Storage; } }\n");
CodeGenerator.GenerateProperties(cls, sb);
CodeGenerator.GenerateChilds(cls, sb);
sb.Append("}\n");
}
public LoadPlan(MetadataClass cls)
{
this.Class = cls;
this.Data = new MetadataPropertyList();
this.Links = new AssociationRefLoadPlanList();
this.Childs = new ChildRefLoadPlanList();
this.Views = new MetadataObjectViewList(cls);
}
public MetadataProperty(MetadataClass cls, string name, int index)
{
this.Class = cls;
this.Name = name;
this.Index = index;
this.FPurpose = MetadataPropertyPurpose.Data;
this.FDataType = DataType.Unknown;
this.LookupValues = new MetadataLookupValueList();
}
protected internal DataStorage(DataSession session, MetadataClass cls)
{
this.Session = session;
this.Class = cls;
this.FObjects = new Dictionary <DataId, DataObject>();
this.FObjectsToUpdate = new Dictionary <DataId, DataObject>();
this.NullObject = this.CreateObjectInstance();
this.NullObject.Init(this, DataId.Empty, ObjectSessionState.NullObject);
}
public void GenerateStorage(MetadataClass cls, StringBuilder sb)
{
CodeGenerator.ApplyTemplate(cls, sb, "\npublic class {Type}Storage: DataStorage\n{\n\tpublic readonly {Type}Meta Meta;\n\tnew public InMeta.Session Session { get { return (InMeta.Session)base.Session; } }\n\tinternal {Type}Storage(DataSession session, MetadataClass cls): base(session, cls) { Meta = new {Type}Meta(cls); }\n\tprotected override LinkProperty CreateLinkPropertyInstance(DataObject obj, MetadataProperty propMetadata) { return new {QType}LinkProperty(obj, propMetadata); }\n\tprotected override DataObject CreateObjectInstance() { return new {QType}(); }\n\tprotected override DataObjectList CreateListInstance() { return new {QType}List(); }\n\tprotected override DataObjectChildList CreateChildListInstance(DataObject obj, MetadataChildRef childRef){ return new {QType}ChildList(obj, childRef); }\n\tnew public {QType} NullObject { get { return ({QType})base.NullObject; } }\n\tnew public {QType} this[string strId] { get { return ({QType})base[strId]; } }\n\tnew public {QType} this[DataId id] { get { return ({QType})base[id]; } }\n\tnew public {QType} AddNew() { return ({QType})base.AddNew(); }\n\tnew public {QType}List Query(string plan, string condition, params object[] paramArray) { return ({QType}List)base.Query(plan, condition, paramArray); }\n\tnew public {QType}List Query(string plan, {QType}ConditionBuilder conditionBuilder) { return ({QType}List)base.Query(plan, conditionBuilder); }\n\tnew public {QType}List Query(string plan) { return ({QType}List)base.Query(plan); }\n\tnew public {QType}List Query(string plan, params DataId[] ids) { return ({QType}List)base.Query(plan, ids); }\n\tnew public {QType} QueryObject(string plan, DataId id) { return ({QType})base.QueryObject(plan, id); }\n");
if ((this.Options & CodeGeneratorOptions.GenerateConditionBuilder) != (CodeGeneratorOptions)0)
{
CodeGenerator.ApplyTemplate(cls, sb, "\tpublic {Type}ConditionBuilder Condition { get { return new {Type}ConditionBuilder(Meta); } }\n");
}
sb.Append("}\n");
}
public NavigationPathItem(
SqlUtils.NavigationThrough through,
string name,
MetadataClass refClass)
{
this.Through = through;
this.Name = name;
this.RefClass = refClass;
}
private static void GenerateChilds(MetadataClass cls, StringBuilder sb)
{
for (int index = 0; index < cls.Childs.Count; ++index)
{
MetadataChildRef child = cls.Childs[index];
MetadataClass childClass = child.ChildClass;
CodeGenerator.GenerateDoc("\t", "summary", childClass.Caption, sb);
sb.AppendFormat("\tpublic {0}ChildList {1} {{ get {{ return ({0}ChildList)base.GetChilds(Meta.{1}); }} }}\n", (object)childClass.QTypeName, (object)child.MemberName);
}
}
internal ClassUpdatesInfo(
MetadataClass @class,
NewObjectInfo[] @new,
ModifiedObjectInfo[] modified,
string[] deleted)
{
this.Class = @class;
this.New = @new;
this.Modified = modified;
this.Deleted = deleted;
}
private static void GenerateProperties(MetadataClass cls, StringBuilder sb)
{
for (int index = 0; index < cls.Properties.Count; ++index)
{
MetadataProperty property = cls.Properties[index];
if (!property.IsSelector && !property.IsId)
{
CodeGenerator.GenerateProperty(property, sb);
}
}
}
internal static LoadPlan UseExistingOrCreateNew(LoadPlan plan, MetadataClass cls)
{
if (plan.Class == cls)
{
return(plan);
}
LoadPlan loadPlan = new LoadPlan(cls);
loadPlan.MergeWith(plan);
return(loadPlan);
}
public SqlUtils.NavigationStep EnsureRootStep(string path)
{
SqlUtils.NavigationStep navigationStep1 = !string.IsNullOrEmpty(path) ? this.FindRootStep(path) : throw new ArgumentNullException(nameof(path));
if (navigationStep1 != null)
{
return(navigationStep1);
}
string predecessorPath;
string identifier;
MetadataClass refClass1;
bool isExternalRef;
SqlUtils.Navigation.ParseLastPartOfPath(this.Class.Metadata.Classes, path, out predecessorPath, out identifier, out refClass1, out isExternalRef);
SqlUtils.NavigationStep predecessor = !string.IsNullOrEmpty(predecessorPath) ? this.EnsureRootStep(predecessorPath) : (SqlUtils.NavigationStep)null;
MetadataClass refClass2 = predecessor != null ? predecessor.TargetClass : this.Class;
SqlUtils.NavigationStep navigationStep2;
if (isExternalRef)
{
MetadataProperty metadataProperty = refClass1.Properties.Need(identifier);
if (!metadataProperty.IsLink)
{
throw new Exception(string.Format("Свойство \"{0}.{1}\" не является отношением.", (object)refClass1.Name, (object)identifier));
}
navigationStep2 = (SqlUtils.NavigationStep) new SqlUtils.ExternalAssociationNavigationStep(this, predecessor, path, metadataProperty.Association.Refs.Need(refClass2));
}
else
{
MetadataProperty property;
MetadataChildRef childRef;
refClass2.NeedMember(identifier, out property, out childRef);
if (property != null)
{
if (!property.IsLink)
{
throw new DataException(string.Format("\"{0}\" не является ассоциацией или дочерним объектом.", (object)identifier));
}
MetadataAssociationRefList refs = property.Association.Refs;
if (refClass1 == null && refs.Count != 1)
{
throw new DataException(string.Format("\"{0}\" является ассоциацией с вариантами связи. В тексте запроса такое поле следует указывать в форме \"имя-свойства:имя-связанного-класса\" (например, \"Subject:Person\").", (object)identifier));
}
navigationStep2 = (SqlUtils.NavigationStep) new SqlUtils.AssociationNavigationStep(this, predecessor, path, refClass1 == null ? refs[0] : refs.Need(refClass1));
}
else
{
navigationStep2 = (SqlUtils.NavigationStep) new SqlUtils.ChildNavigationStep(this, predecessor, path, childRef);
}
}
navigationStep2.TargetAlias = this.CreateUniqueAlias(navigationStep2.TargetClass.DataTable);
this.RootSteps.Add(navigationStep2);
return(navigationStep2);
}
public MetadataChildRef Find(MetadataClass childClass)
{
for (int index = 0; index < this.FItems.Count; ++index)
{
MetadataChildRef metadataChildRef = this[index];
if (metadataChildRef.ChildClass == childClass)
{
return(metadataChildRef);
}
}
return((MetadataChildRef)null);
}
public MetadataClass FindByIdentName(string identName)
{
for (int index = 0; index < this.FItems.Count; ++index)
{
MetadataClass fitem = (MetadataClass)this.FItems[index];
if (fitem.IdentName == identName)
{
return(fitem);
}
}
return((MetadataClass)null);
}
public DataStorage this[MetadataClass cls]
{
get
{
DataStorage fstorage = this.FStorages[cls.Index];
if (fstorage != null)
{
return(fstorage);
}
DataStorage storageInstance = this.CreateStorageInstance(cls);
this.FStorages[cls.Index] = storageInstance;
return(storageInstance);
}
}
private void GetAssociationPropertyTypes(out string valueType, out string propertyType)
{
if (this.Association.Selector == null)
{
MetadataClass refClass = this.Association.Refs[0].RefClass;
valueType = refClass.QTypeName;
propertyType = refClass.QTypeName + "LinkProperty";
}
else
{
valueType = "DataObject";
propertyType = "LinkProperty";
}
}
public void GenerateConditionBuilder(MetadataClass cls, StringBuilder sb)
{
CodeGenerator.ApplyTemplate(cls, sb, "\npublic class {Type}ConditionBuilder: QueryCondition\n{\n\tpublic readonly {Type}Meta Meta;\n\tpublic {Type}ConditionBuilder({Type}Meta meta): base() { Meta = meta; }\n");
for (int index = 0; index < cls.Properties.Count; ++index)
{
MetadataProperty property = cls.Properties[index];
if (!property.IsSelector && !property.IsId)
{
string valueType;
property.GetMemberTypes(out valueType, out string _);
sb.AppendFormat("\tpublic {0} {1}IsNull {{ get {{ return ({0})base.PropIsNull({2}); }}}}\n\tpublic {0} {1}IsNotNull {{ get {{ return ({0})base.PropIsNotNull({2}); }}}}\n\tpublic {0} {1}Is({3} value) {{ return ({0})base.PropIs({2}, value); }}\n\tpublic {0} {1}(CompareOp op, {3} value) {{ return ({0})base.PropCompare({2}, op, value); }}\n\tpublic {0} {1}Like(string value) {{ return ({0})base.PropLike({2}, value); }}\n\tpublic {0} {1}In(params {3}[] value) {{ return ({0})base.PropIn({2}, value); }}\n\tpublic {0} {1}Between({3} minValue, {3} maxValue) {{ return ({0})base.PropBetween({2}, minValue, maxValue); }}\n", (object)(cls.TypeName + "ConditionBuilder"), (object)property.MemberName, (object)("Meta." + property.MemberName), (object)valueType);
}
}
sb.AppendFormat("\tnew public {0} Begin {{ get {{ return ({0})base.Begin; }}}}\n\tnew public {0} End {{ get {{ return ({0})base.End; }}}}\n\tnew public {0} And {{ get {{ return ({0})base.And; }}}}\n\tnew public {0} Or {{ get {{ return ({0})base.Or; }}}}\n\tnew public {0} Not {{ get {{ return ({0})base.Not; }}}}\n}}\n", (object)(cls.TypeName + "ConditionBuilder"));
}
internal MetadataObjectView(MetadataClass cls, XmlNode node, int index)
{
this.Index = index;
this.Class = cls;
this.Name = XmlUtils.NeedAttr(node, "name");
if (this.Name.Length == 0)
{
this.Name = "default";
}
this.VirtualProperties = new MetadataVirtualPropertyList(this);
this.SourceNode = node;
this.Caption = XmlUtils.GetAttr(node, "caption", this.Name);
this.ScriptLanguage = XmlUtils.GetAttr(node, "language", "VBScript");
this.ContentType = (ContentType)XmlUtils.GetEnumAttr(node, "content-type", MetadataObjectView.FContentTypeNames, 0);
this.Using = XmlUtils.GetAttr(node, "using").Split(',');
this.Script = XmlUtils.GetOwnText(node);
}
public void GenerateMeta(MetadataClass cls, StringBuilder sb)
{
CodeGenerator.ApplyTemplate(cls, sb, "\npublic class {Type}Meta\n{\n\tprivate MetadataClass FClass;\n");
for (int index = 0; index < cls.Properties.Count; ++index)
{
MetadataProperty property = cls.Properties[index];
if (!property.IsSelector && !property.IsId)
{
sb.AppendFormat("\tprivate MetadataProperty F{0};\n\tpublic MetadataProperty {0} {{ get {{ if(F{0} == null) {{ F{0} = FClass.Properties.Need(\"{1}\"); }} return F{0}; }} }}\n", (object)property.MemberName, (object)property.Name);
}
}
for (int index = 0; index < cls.Childs.Count; ++index)
{
sb.AppendFormat("\tprivate MetadataChildRef F{0};\n\tpublic MetadataChildRef {0} {{ get {{ if(F{0} == null) {{ F{0} = FClass.Childs.Need(\"{1}\"); }} return F{0}; }} }}\n", (object)cls.Childs[index].MemberName, (object)cls.Childs[index].ChildClass.Name);
}
CodeGenerator.ApplyTemplate(cls, sb, "\tpublic {Type}Meta(MetadataClass cls) { FClass = cls; }\n");
sb.Append("}\n");
}
internal void Load(IDataReader reader, DataObjectList dstObjs, LoadContext loadContext)
{
object[] values = new object[reader.FieldCount];
while (reader.Read())
{
reader.GetValues(values);
DataId id = new DataId((string)values[0]);
if (this.LoadedObjects[(object)id] == null)
{
DataObject dataObject = this.FStorage.EnsureCacheItem(id);
if (!dataObject.IsDeleted)
{
int index = 0;
int num = 1;
for (; index < this.ObjectLoader.Count; ++index)
{
ObjectPartLoader objectPartLoader = this.ObjectLoader[index];
object obj = objectPartLoader.FieldName != null ? values[num++] : (object)null;
object exValue = objectPartLoader.ExFieldName != null ? values[num++] : (object)null;
objectPartLoader.Load(dataObject, obj, exValue, loadContext);
}
dstObjs?.Add((object)dataObject);
}
this.LoadedObjects.Add((object)dataObject.Id, (object)dataObject);
dataObject.IncludeSessionState(ObjectSessionState.Existing);
}
}
if (loadContext != LoadContext.FetchAllObjects)
{
return;
}
for (int index1 = 0; index1 < this.ObjectLoader.Count; ++index1)
{
if (this.ObjectLoader[index1] is LinkPropertyLoader linkPropertyLoader && linkPropertyLoader.Association.Property.IsAggregation)
{
for (int index2 = 0; index2 < linkPropertyLoader.RefLoaders.Length; ++index2)
{
MetadataClass cls = linkPropertyLoader.RefLoaders[index2].Class;
this.FStorage.Session[cls].CompleteChildLists(cls.Childs.Need(this.Class));
}
}
}
}
public void GenerateClasses(MetadataClassList classes, StringBuilder sb)
{
Hashtable hashtable = new Hashtable();
for (int index = 0; index < classes.Count; ++index)
{
MetadataClass metadataClass = classes[index];
ArrayList arrayList = (ArrayList)hashtable[(object)metadataClass.TypeNamespace];
if (arrayList == null)
{
arrayList = new ArrayList();
hashtable[(object)metadataClass.TypeNamespace] = (object)arrayList;
}
arrayList.Add((object)metadataClass);
}
foreach (string key in (IEnumerable)hashtable.Keys)
{
if (key.Trim().Length > 0)
{
sb.Append("namespace ").Append(key).Append("{\n");
}
foreach (MetadataClass cls in (ArrayList)hashtable[(object)key])
{
this.GenerateMeta(cls, sb);
if ((this.Options & CodeGeneratorOptions.GenerateConditionBuilder) != (CodeGeneratorOptions)0)
{
this.GenerateConditionBuilder(cls, sb);
}
this.GenerateClass(cls, sb);
this.GenerateIList(cls, sb);
this.GenerateList(cls, sb);
this.GenerateChildList(cls, sb);
this.GenerateLinkProperty(cls, sb);
this.GenerateStorage(cls, sb);
}
if (key.Trim().Length > 0)
{
sb.Append("}\n");
}
}
}
public void RegisterIdentifier(
string ident,
out SqlUtils.NavigationStep step,
out MetadataProperty prop)
{
int length = ident.LastIndexOf('.');
string name;
if (length >= 0)
{
step = this.EnsureRootStep(ident.Substring(0, length));
name = ident.Substring(length + 1);
}
else
{
step = (SqlUtils.NavigationStep)null;
name = ident;
}
MetadataClass metadataClass = step != null ? step.TargetClass : this.Class;
prop = metadataClass.Properties.Find(name);
}
public static Navigator[] ParseNavigation(MetadataClass sourceClass, string navigation)
{
List <Navigator> navigatorList = new List <Navigator>();
foreach (SqlUtils.NavigationPathItem navigationPathItem in SqlUtils.NavigationPathItem.Parse(sourceClass.Metadata.Classes, navigation))
{
switch (navigationPathItem.Through)
{
case SqlUtils.NavigationThrough.Link:
navigatorList.Add((Navigator) new AssociationNavigator(navigationPathItem.Name, navigationPathItem.RefClass));
break;
case SqlUtils.NavigationThrough.Child:
navigatorList.Add((Navigator) new ChildRefNavigator(navigationPathItem.RefClass));
break;
case SqlUtils.NavigationThrough.ExternalLink:
navigatorList.Add((Navigator) new ExternalLinkNavigator(navigationPathItem.RefClass.Properties.Need(navigationPathItem.Name).Association ?? throw new Exception(string.Format("Ошибка в навигационном пути \"{0}\": свойство \"{1}\" класса \"{2}\", используемое в навигации по обратной ссылке, не является ассоциацией.", (object)navigation, (object)navigationPathItem.Name, (object)navigationPathItem.RefClass.Name))));
break;
}
}
return(navigatorList.ToArray());
}
public ChildRefNavigator(MetadataClass childClass) => this.FChildClass = childClass;