public virtual void LoadServices()
{
services = new List <ServiceElement>();
FileInfo file = XmlFile.GetFile(SERVICES_FILE_NAME);
if (file.Exists)
{
XDocument doc = XDocument.Load(file.FullName);
foreach (XElement element in doc.Element("services").Elements("service"))
{
string sOid = (from attrib in element.Attributes()
where attrib.Name == "oid"
select attrib.Value).Single();
long oid = Convert.ToInt64(sOid, 16);
string id = (from attrib in element.Attributes()
where attrib.Name == "id"
select attrib.Value).Single();
string type = (from attrib in element.Attributes()
where attrib.Name == "type"
select attrib.Value).SingleOrDefault();
type = type ?? id;
var service = new ServiceElement(SerialOid.CreatePersistent(oid, type), id);
services.Add(service);
}
}
}
private static IQueryable <IOid> LoadInstances(string type)
{
FileInfo typeFile = XmlFile.GetFile(type);
if (typeFile.Exists)
{
return((from instance in XDocument.Load(typeFile.FullName).Element("instances").Elements("instance")
let sOid = (string)instance.Attribute("id")
select SerialOid.CreatePersistent(Convert.ToInt64(sOid, 16), type)).Cast <IOid>().AsQueryable());
}
return(new List <IOid>().AsQueryable());
}
private static void WriteInstanceFile(string name, IEnumerable <IOid> instances)
{
using (XmlWriter writer = XmlWriter.Create(XmlFile.GetFile(name).FullName, XmlFile.Settings)) {
writer.WriteStartElement("instances");
writer.WriteAttributeString("name", name);
foreach (IOid instance in instances)
{
writer.WriteStartElement("instance");
writer.WriteAttributeString("id", EncodedOid(instance));
writer.WriteEndElement();
}
writer.WriteEndElement();
}
}
public void SaveServices()
{
using (XmlWriter writer = XmlWriter.Create(XmlFile.GetFile(SERVICES_FILE_NAME).FullName, XmlFile.Settings)) {
writer.WriteStartElement("services");
foreach (ServiceElement element in services)
{
writer.WriteStartElement("service");
writer.WriteAttributeString("oid", EncodedOid(element.Oid));
writer.WriteAttributeString("id", element.Id);
writer.WriteAttributeString("type", element.TypeName);
writer.WriteEndElement();
}
writer.WriteEndElement();
}
}
/// <summary>
/// Read in the next unique number for the object identifier
/// </summary>
public virtual long NextId()
{
string sId = null;
if (XmlFile.GetFile("oid").Exists)
{
XDocument doc = XDocument.Load(XmlFile.GetFile("oid").FullName);
sId = doc.Element("number").Value;
}
long longValue = string.IsNullOrEmpty(sId) ? 0 : Convert.ToInt64(sId, 16);
long nextId = longValue + 1;
using (XmlWriter writer = XmlWriter.Create(XmlFile.GetFile("oid").FullName, XmlFile.Settings)) {
writer.WriteStartElement("number");
writer.WriteValue(nextId.ToString("x"));
writer.WriteEndElement();
}
return(nextId);
}
public virtual Data LoadData(IOid oid)
{
XDocument doc = XDocument.Load(XmlFile.GetFile(Filename(oid)).FullName);
CollectionData collection = null;
ObjectData objectData = null;
string fieldName = "";
foreach (XElement element in doc.Descendants())
{
LoadNode(element, ref collection, ref objectData, ref fieldName);
}
if (objectData != null)
{
return(objectData);
}
if (collection != null)
{
return(collection);
}
throw new FindObjectException("No data found for " + oid + " (possible missing file)");
}
private static void WriteData(IOid xoid, Data data)
{
using (XmlWriter writer = XmlWriter.Create(XmlFile.GetFile(Filename(xoid)).FullName, XmlFile.Settings)) {
WriteData(data, writer);
}
}
