internal void LoadFromXml(XmlNode node)
{
try
{
this.FSourceNode = node;
this.FPurpose = (MetadataPropertyPurpose)XmlUtils.GetEnumAttr(node, "purpose", MetadataProperty.FPurposeNames);
this.FCaption = XmlUtils.GetAttr(node, "caption", this.FCaption);
this.FDataField = XmlUtils.GetAttr(node, "data-field", this.FDataField);
this.FDataTypeName = XmlUtils.GetAttr(node, "data-type", this.FDataTypeName);
this.FDataType = InDbUtils.InMetaDataTypeToDataType(this.FDataTypeName);
this.FDataLength = XmlUtils.GetIntAttr(node, "data-length", this.FDataLength);
this.FInitialValue = XmlUtils.GetAttr(node, "default-value", this.FInitialValue);
this.FIsExtension = XmlUtils.GetBoolAttr(node, "is-virtual", this.FIsExtension);
this.FExtensionClass = XmlUtils.GetAttr(node, "virtual-aggregation", this.FExtensionClass);
this.FExtensionProperty = XmlUtils.GetAttr(node, "virtual-ref-property", this.FExtensionProperty);
if (this.FDataField.Length == 0)
{
this.FDataField = this.Name;
}
if (this.FDataType == DataType.Unknown)
{
throw new MetadataException("Не задан тип данных");
}
this.FMemberName = XmlUtils.GetAttr(node, "prog-id", this.Name);
this.LookupValues.LoadFromXml(node);
}
catch (Exception ex)
{
throw new MetadataException(string.Format("Ошибка загрузки метаданных свойства {0}", (object)this.Name), ex);
}
}
internal override int SaveValueToDb(ref object value, ref object exValue)
{
if (!this.IsAssigned)
{
throw new DataException("Попытка записать в БД неприсвоенное значение.");
}
MetadataAssociationRefList refs = this.Metadata.Association.Refs;
DataObject dataObject = (DataObject)base.GetValue();
if (dataObject != null && !dataObject.IsNull)
{
value = (object)dataObject.Id.ToString();
if (this.Metadata.Association.Selector != null)
{
exValue = InDbUtils.Convert((object)refs.Need(dataObject.Class).SelectorValue, this.Metadata.Association.Selector.DataType);
}
}
return(this.Metadata.Association.Selector != null ? 2 : 1);
}
public static void ConvertObjectsToInDbParams(
object[] args,
out DataType[] types,
out object[] values)
{
if (args == null || args.Length == 0)
{
types = (DataType[])null;
values = (object[])null;
}
else
{
types = new DataType[args.Length];
values = new object[args.Length];
for (int index = 0; index < args.Length; ++index)
{
object compatibleParamValue = SqlUtils.GetInDbCompatibleParamValue(args[index]);
types[index] = InDbUtils.TypeCodeToDataType(Type.GetTypeCode(compatibleParamValue.GetType()));
values[index] = compatibleParamValue;
}
}
}
