public Info(SimpleDictionary dict)
{
Load(dict);
// Keep a weak reference to the dictionary. This way we don't have to load the
// dictionary again if we re-open it soon after we close it.
var weak = new NullWeakReference <SimpleDictionary>(dict);
GetFullInstance = () => FromWeak(weak);
}
private SimpleDictionary FromWeak(NullWeakReference <SimpleDictionary> weak)
{
var dict = weak.Target;
if (dict != null)
{
if (!dict.Disposed)
{
return(dict);
}
}
return(new SimpleDictionary(Path));
}
public static SqliteDictionary FromPath(string path)
{
// Handle cases where paths are not normalized.
path = System.IO.Path.GetFullPath(path);
NullWeakReference <SqliteDictionary> weakRef;
if (openDicts.TryGetValue(path, out weakRef) && weakRef.IsAlive && weakRef.Target.Connection.State == ConnectionState.Open)
{
return(weakRef.Target);
}
var dict = new SqliteDictionary(path);
openDicts[path] = new NullWeakReference <SqliteDictionary>(dict);
return(dict);
}
