protected QueryCondition PropCompare(
MetadataProperty prop,
CompareOp op,
object value)
{
return(this.Compare(prop.Name, op, value));
}
internal void LoadFromXml(XmlNode node)
{
string attr = XmlUtils.GetAttr(node, "ref-select-case");
this.FSelector = attr.Length == 0 ? (MetadataProperty)null : this.Property.Class.Properties.Need(attr);
if (this.FSelector == null)
{
MetadataAssociationRef assRef = new MetadataAssociationRef(this, this.Refs.Count);
assRef.LoadFromXml(node);
this.Refs.Add(assRef);
}
else
{
foreach (XmlNode selectNode in node.SelectNodes("case"))
{
MetadataAssociationRef assRef = new MetadataAssociationRef(this, this.Refs.Count);
assRef.LoadFromXml(selectNode);
if (this.Refs.FindBySelectorValue((object)assRef.SelectorValue) == null)
{
;
}
this.Refs.Add(assRef);
}
if (this.Refs.Count == 0)
{
throw new MetadataException("Не заданы варианты связи.");
}
this.FSelector.SetAssociation(this);
}
}
public DataProperty(DataObject obj, MetadataProperty metadata)
{
this.Object = obj;
this.Metadata = metadata;
this.FValue = DataProperty.NotAssigned;
this.FModified = false;
}
private static void AddOriginalValue(
MetadataProperty property,
ListDictionary properties,
IDataReader originalValuesReader)
{
properties.Add((object)property.Name, originalValuesReader.GetValue(originalValuesReader.GetOrdinal(property.DataField)));
}
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 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);
}
protected QueryCondition PropBetween(
MetadataProperty prop,
object minValue,
object maxValue)
{
return(this.Between(prop.Name, minValue, maxValue));
}
private void AppendField(
SqlUtils.NavigationStep step,
MetadataProperty prop,
StringBuilder sb)
{
sb.AppendFormat("[{0}].[{1}]", step != null ? (object)step.TargetAlias : (object)this.Alias, (object)prop.DataField);
}
private void LoadPropertiesFromXml(XmlNode node)
{
foreach (XmlNode selectNode in node.SelectNodes("property"))
{
string name = XmlUtils.NeedAttr(selectNode, "name");
if (this.Properties.Find(name) != null)
{
throw new MetadataException(string.Format("Свойство {0} уже определено.", (object)name));
}
MetadataProperty property = new MetadataProperty(this, name, this.Properties.Count);
property.LoadFromXml(selectNode);
this.AllProperties.Add(property);
if (!property.IsExtension)
{
this.Properties.Add(property);
switch (property.Purpose)
{
case MetadataPropertyPurpose.Id:
this.FIdProperty = property;
break;
case MetadataPropertyPurpose.Association:
case MetadataPropertyPurpose.Aggregation:
MetadataAssociation ass = new MetadataAssociation(property);
this.Associations.Add(ass);
if (property.Purpose == MetadataPropertyPurpose.Aggregation)
{
this.Owners.Add(ass);
break;
}
break;
}
}
}
}
internal int SavePropertyValue(
MetadataProperty metadataProperty,
ref object value,
ref object exValue)
{
return(this.EnsurePropertyInstance(metadataProperty).SaveValueToDb(ref value, ref exValue));
}
public void NeedMember(
string memberName,
out MetadataProperty property,
out MetadataChildRef childRef)
{
if (!this.TryFindMember(memberName, out property, out childRef))
{
throw new DataException(string.Format("\"{0}\" не является ни свойством, ни дочерним классом.", (object)memberName));
}
}
public bool IsPropertyAssigned(MetadataProperty propertyMetadata)
{
if (this.FProperties == null)
{
return(false);
}
DataProperty fproperty = this.FProperties[propertyMetadata.Index];
return(fproperty != null && fproperty.IsAssigned);
}
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);
}
}
}
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 void EnsureDataProperty(MetadataProperty propertyMetadata)
{
if (!propertyMetadata.IsData)
{
throw new System.Data.DataException(string.Format("DataLoadPlan.AddData: Свойство {0}.{1}, добавляемое в план загрузки простых типов, являться ассоциацией. Используйте метод AddLink.", (object)propertyMetadata.Class.QTypeName, (object)propertyMetadata.Name));
}
if (this.Data.Contains(propertyMetadata))
{
return;
}
this.Data.Add(propertyMetadata);
}
private static void GenerateProperty(MetadataProperty prop, StringBuilder sb)
{
string valueType;
string propertyType;
prop.GetMemberTypes(out valueType, out propertyType);
string memberName = prop.MemberName;
CodeGenerator.GenerateDoc("\t", "summary", prop.Caption, sb);
sb.AppendFormat("\tpublic {0} {1}Property {{ get {{ return ({0})base[Meta.{1}]; }} }}\n", (object)propertyType, (object)memberName);
CodeGenerator.GenerateDoc("\t", "summary", prop.Caption, sb);
sb.AppendFormat("\tpublic {0} {1} {{\n\tget {{ return {1}Property.Value; }}\n\tset {{ {1}Property.Value = value; }}\n\t}}\n", (object)valueType, (object)memberName);
}
internal void DropCache()
{
MetadataProperty property = this.ChildRef.AggregationRef.Association.Property;
for (int index = this.FItems.Count - 1; index >= 0; --index)
{
if (!((DataObject)this.FItems[index]).IsPropertyModified(property))
{
this.FItems.RemoveAt(index);
}
}
this.FIsComplete = false;
}
private static void CopyPropsToMasterObject(
DataObject obj,
DataObject masterObj,
IList <MetadataProperty> metaProps)
{
for (int index = 0; index < metaProps.Count; ++index)
{
MetadataProperty metaProp = metaProps[index];
if (!metaProp.IsId && !metaProp.IsSelector)
{
masterObj[metaProp].Assign(obj[metaProp]);
}
}
}
internal void LoadPropertyValue(
MetadataProperty propertyMetadata,
object value,
object exValue,
LoadContext loadContext)
{
DataProperty dataProperty = this.EnsurePropertyInstance(propertyMetadata);
if (dataProperty.IsModified)
{
return;
}
dataProperty.LoadValueFromDb(value, exValue, loadContext);
}
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"));
}
private static void CopyPropsToParams(
DataObject obj,
IList <MetadataProperty> metaProps,
object[] values,
ref int index)
{
for (int index1 = 0; index1 < metaProps.Count; ++index1)
{
MetadataProperty metaProp = metaProps[index1];
if (!metaProp.IsId && !metaProp.IsSelector)
{
StorageCommitPlan.CopyPropToParam(obj, metaProp, values, ref index);
}
}
}
private static void GetPropValues(
DataObject obj,
MetadataProperty metaProp,
out MetadataProperty prop1,
out object value1,
out MetadataProperty prop2,
out object value2)
{
value1 = (object)null;
value2 = (object)null;
int num = obj.SavePropertyValue(metaProp, ref value1, ref value2);
prop1 = metaProp;
prop2 = num > 1 ? metaProp.Association.Selector : (MetadataProperty)null;
}
internal ObjectListLoaderByIds(
ObjectLoader objectLoader,
MetadataProperty inProperty,
DataId[] ids)
: base(objectLoader)
{
this.FIds = new Hashtable();
if (ids != null)
{
for (int index = 0; index < ids.Length; ++index)
{
this.FIds[(object)ids[index]] = (object)null;
}
}
this.InProperty = inProperty;
}
internal ObjectListLoaderByIds EnsureObjectListLoaderByIds(
ObjectLoader objectLoader,
MetadataProperty inProperty)
{
for (int index = 0; index < this.ObjectListLoaders.Count; ++index)
{
if (this.ObjectListLoaders[index] is ObjectListLoaderByIds objectListLoader && objectListLoader.ObjectLoader == objectLoader && objectListLoader.InProperty == inProperty)
{
return(objectListLoader);
}
}
ObjectListLoaderByIds objectListLoaderByIds = new ObjectListLoaderByIds(objectLoader, inProperty, (DataId[])null);
this.ObjectListLoaders.Add((ObjectListLoader)objectListLoaderByIds);
return(objectListLoaderByIds);
}
private static void CopyPropToParam(
DataObject obj,
MetadataProperty metaProp,
object[] values,
ref int index)
{
object obj1 = (object)null;
object exValue = (object)null;
int num = obj.SavePropertyValue(metaProp, ref obj1, ref exValue);
values[index++] = obj1 ?? (object)DBNull.Value;
if (num <= 1)
{
return;
}
values[index++] = exValue ?? (object)DBNull.Value;
}
protected internal DataProperty CreatePropertyInstance(
MetadataProperty propertyMetadata)
{
switch (propertyMetadata.Purpose)
{
case MetadataPropertyPurpose.Data:
DataType dataType = propertyMetadata.DataType & DataType.BaseMask;
switch (dataType)
{
case DataType.Boolean:
return((DataProperty) new BooleanProperty(this, propertyMetadata));
case DataType.Integer:
return((DataProperty) new IntegerProperty(this, propertyMetadata));
case DataType.Float:
return((DataProperty) new DoubleProperty(this, propertyMetadata));
case DataType.Currency:
return((DataProperty) new CurrencyProperty(this, propertyMetadata));
case DataType.DateTime:
return((DataProperty) new DateTimeProperty(this, propertyMetadata));
case DataType.String:
return((DataProperty) new StringProperty(this, propertyMetadata));
case DataType.Memo:
return((DataProperty) new StringProperty(this, propertyMetadata));
case DataType.Binary:
return((DataProperty) new BinaryProperty(this, propertyMetadata));
default:
throw new DataException(string.Format("Некорректный тип данных {0} свойства {1} объекта {2}", (object)dataType, (object)propertyMetadata.Name, (object)this.FStorage.Class.Name));
}
case MetadataPropertyPurpose.Association:
case MetadataPropertyPurpose.Aggregation:
MetadataAssociationRefList refs = propertyMetadata.Association.Refs;
return(propertyMetadata.Association.Selector == null ? (DataProperty)this.Session[refs[0].RefClass].CreateLinkPropertyInstance(this, propertyMetadata) : (DataProperty) new LinkProperty(this, propertyMetadata));
default:
throw new System.Data.DataException("Попытка создания объекта доступа к свойству ID.");
}
}
private DataProperty EnsurePropertyInstance(MetadataProperty propertyMetadata)
{
this.CheckNotUntypedNull();
DataProperty[] dataPropertyArray = this.FProperties;
if (dataPropertyArray == null)
{
dataPropertyArray = new DataProperty[this.Class.Properties.Count];
this.FProperties = dataPropertyArray;
}
DataProperty propertyInstance = dataPropertyArray[propertyMetadata.Index];
if (propertyInstance == null)
{
propertyInstance = this.CreatePropertyInstance(propertyMetadata);
dataPropertyArray[propertyMetadata.Index] = propertyInstance;
}
return(propertyInstance);
}
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");
}
private static void MetaPropToSql(
MetadataProperty metaProp,
StringBuilder sql,
string divider,
string format,
ref int paramIndex,
DataType[] paramTypes)
{
if (divider != null && sql != null)
{
sql.Append(divider);
}
sql?.Append(string.Format(format, (object)metaProp.DataField));
if (paramTypes != null)
{
paramTypes[paramIndex] = metaProp.DataType;
}
++paramIndex;
}
private void CheckComplete()
{
if (this.FIsComplete)
{
return;
}
if (this.Object.IsNull)
{
this.FIsComplete = true;
}
else
{
DataStorage storage = this.Object.Storage;
DataSession masterSession = this.Session.MasterSession;
if (masterSession != null)
{
DataObjectChildList childs = masterSession[storage.Class][this.Object.Id].GetChilds(this.ChildRef);
DataStorage dataStorage = this.Session[this.ChildRef.ChildClass];
MetadataProperty property = this.ChildRef.AggregationRef.Association.Property;
for (int index = 0; index < childs.Count; ++index)
{
DataObject untypedValue = (DataObject)dataStorage[childs[index].Id][property].UntypedValue;
}
this.FIsComplete = true;
}
else if (storage.IsChildListCompleted(this.ChildRef))
{
this.FIsComplete = true;
}
else
{
this.Session.TraceUnplannedChildrenLoading(this.ChildRef);
LoadPlan plan = new LoadPlan(storage.Class);
plan.EnsureChildRef(this.ChildRef, new LoadPlan(this.ChildRef.ChildClass));
storage.Session.LoadData(plan, (DataObjectList)null, new DataId[1]
{
this.Object.Id
}, (string)null);
}
}
}
