private bool TryDeserialize(TKey key, FirkinStream stream, out TValue value)
{
if (stream.Length > _hash.MaxFileSize)
{
var error = string.Format("Stream for key '{0}' was too large, length: {1}. Dictionary is likely corrupted!", key, stream.Length);
_log.Warn(error);
throw new CorruptDictionaryException(error);
}
value = _valueSerializer.Deserialize(stream);
return(true);
}
public IEnumerator <KeyValuePair <TKey, FirkinStream> > GetEnumerator()
{
KeyValuePair <TKey, KeyInfo>[] pairs;
lock (_indexSyncRoot) {
pairs = _index.ToArray();
}
foreach (var pair in pairs)
{
IFirkinFile file;
FirkinStream stream = null;
if (pair.Value.ValueSize == 0)
{
// key has been deleted, skip it
continue;
}
try {
stream = _files[pair.Value.FileId].ReadValue(pair.Value);
} catch {
// this may fail, and that's fine, just means we may have to degrade to Get() call
}
if (stream == null)
{
if (pair.Value.ValueSize == 0)
{
// key was deleted while we tried to get it, skip it
continue;
}
// try to get the key via Get()
stream = Get(pair.Key);
}
if (stream != null)
{
yield return(new KeyValuePair <TKey, FirkinStream>(pair.Key, stream));
}
}
}