/// <summary>
/// 确保扩展属性被加载
/// </summary>
/// <param name="element">当不为<see langword="null"/> 时 ，顺便从其中提取属性值</param>
private void EnsureExtendedPropertyLoaded(System.Xml.Linq.XElement element)
{
if (string.IsNullOrEmpty(this.AUSchemaID) == false)
{
var key = new SchemaPropertyExtensionKey(this.AUSchemaID, this.SchemaType);
var extension = (SchemaPropertyExtension)MCS.Library.Caching.ObjectContextCache.Instance.GetOrAddNewValue(key, (cache, vk) =>
{
SchemaPropertyExtensionKey k = (SchemaPropertyExtensionKey)vk;
return(SchemaPropertyExtensionAdapter.Instance.Load(k.TargetSchemaType, k.SourceID));
});
if (extension != null)
{
foreach (var item in extension.Properties)
{
if (this.Properties.ContainsKey(item.Name) == false)
{
this.Properties.Add(new SchemaPropertyValue(item));
}
}
if (element != null)
{
foreach (var item in extension.Properties)
{
this.Properties[item.Name].FromXElement(element);
}
}
}
}
}
public override bool Equals(object obj)
{
bool eq = obj is SchemaPropertyExtensionKey;
if (eq)
{
SchemaPropertyExtensionKey key = (SchemaPropertyExtensionKey)obj;
eq = key.sourceID == this.sourceID && key.targetSchemaType == this.targetSchemaType;
}
return(eq);
}
