/// <inheritdoc />
protected override Task <EntityTag> GetDeadETagAsync(IEntry entry, CancellationToken cancellationToken)
{
var storeData = Load(entry, false, cancellationToken);
var entryKey = GetEntryKey(entry);
EntryInfo info;
if (!storeData.Entries.TryGetValue(entryKey, out info))
{
info = new EntryInfo();
storeData.Entries.Add(entryKey, info);
}
XElement etagElement;
if (!info.Attributes.TryGetValue(_etagKey, out etagElement))
{
var etag = new EntityTag(false);
etagElement = etag.ToXml();
info.Attributes[_etagKey] = etagElement;
Save(entry, storeData, cancellationToken);
return(Task.FromResult(etag));
}
return(Task.FromResult(EntityTag.FromXml(etagElement)));
}
/// <inheritdoc />
protected override Task <EntityTag> GetDeadETagAsync(IEntry entry, CancellationToken cancellationToken)
{
var key = GetETagProperty.PropertyName;
var prop = _connection
.CreateCommand("SELECT * FROM props WHERE id=?", key)
.ExecuteQuery <PropertyEntry>()
.FirstOrDefault();
if (prop == null)
{
var etag = new EntityTag(false);
prop = new PropertyEntry()
{
Id = CreateId(key, entry),
Language = null,
Path = entry.Path.ToString(),
XmlName = key.ToString(),
Value = etag.ToXml().ToString(SaveOptions.OmitDuplicateNamespaces),
};
_connection.Insert(prop);
return(Task.FromResult(etag));
}
var result = EntityTag.FromXml(XElement.Parse(prop.Value));
return(Task.FromResult(result));
}
/// <inheritdoc />
protected override Task <EntityTag> GetDeadETagAsync(IEntry entry, CancellationToken cancellationToken)
{
XElement etagElement;
IDictionary <XName, XElement> properties;
if (_properties.TryGetValue(entry.Path, out properties))
{
properties.TryGetValue(GetETagProperty.PropertyName, out etagElement);
}
else
{
etagElement = null;
}
if (etagElement == null)
{
etagElement = new EntityTag(false).ToXml();
_properties.Add(entry.Path, new Dictionary <XName, XElement>()
{
[etagElement.Name] = etagElement,
});
}
return(Task.FromResult(EntityTag.FromXml(etagElement)));
}
/// <inheritdoc />
protected override Task <EntityTag> UpdateDeadETagAsync(IEntry entry, CancellationToken cancellationToken)
{
var etag = EntityTag.FromXml(null);
var etagElement = etag.ToXml();
var key = etagElement.Name;
IDictionary <XName, XElement> properties;
if (!_properties.TryGetValue(entry.Path, out properties))
{
_properties.Add(entry.Path, new Dictionary <XName, XElement>()
{
[key] = etagElement,
});
}
else
{
properties[key] = etagElement;
}
return(Task.FromResult(etag));
}
