internal static Arc Load(KnowledgeBase knowledgeBase, ScAddress scAddress)
{
Arc arc = null;
if (knowledgeBase.Commands.IsElementExist(scAddress))
{
ElementType type = knowledgeBase.Commands.GetElementType(scAddress);
if (type.HasAnyType(ElementType.ArcMask_c))
{
#warning здесь возможна бесконечная цикла если элементы дуги тоже дуги бесконечно
var command = new GetArcElementsCommand(scAddress);
var response = (GetArcElementsResponse)knowledgeBase.ExecuteCommand(command);
var beginElement = LoadElement(knowledgeBase, response.BeginElementAddress);
var endElement = LoadElement(knowledgeBase, response.EndElementAddress);
arc = new Arc(type, beginElement, endElement)
{
Address = scAddress,
State = ElementState.Synchronized
};
}
}
return(arc);
}
/// <summary>
/// Генерирация уникального системного идентификатора для узла на основе адреса узла и префикса.
/// </summary>
/// <param name="nodeAddress">SC-адрес узла</param>
/// <param name="preffix">префикс для узла</param>
/// <returns>уникальный идентификатор для узла</returns>
public Identifier GenerateUniqueSysIdentifier(ScAddress nodeAddress, string preffix)
{
Identifier identifier = Identifier.Invalid;
Identifier probablyIdentifier = string.Format("{0}_{1}_{2}", preffix, UnixDateTime.FromDateTime(DateTime.Now).GetHashCode(), nodeAddress.GetHashCode());
var content = new LinkContent(probablyIdentifier.Value);
var command = new FindLinksCommand(content);
var response = (FindLinksResponse)knowledgeBase.ExecuteCommand(command);
if (response.Addresses.Count == 0)
{
identifier = probablyIdentifier;
}
return(identifier);
}
