private async Task EnsureInitializedAsync()
{
if (!await AsyncFileSystem.ExistsAsync(Path))
{
await AsyncFileSystem.CreateDirectoryAsync(Path);
}
}
public async Task EnsureInitializedAsync()
{
if (_initialized)
{
return;
}
using (_lock.WriteLock())
{
if (!await AsyncFileSystem.ExistsAsync(Path))
{
_initialized = true;
return;
}
using (var stream = await AsyncFileSystem.OpenFileAsync(Path, DesiredFileAccess.Read))
using (var instream = new StreamReader(stream))
{
var json = "[" + instream.ReadToEnd().Replace(Environment.NewLine, ",") + "]";
var entities = JsonConvert.DeserializeObject(
json,
typeof(List <>).MakeGenericType(typeof(MetadataEntity))
) as IEnumerable <MetadataEntity>;
_entities = entities.ToDictionary(
key => key.Identity,
value => new Tuple <object, MetadataEntity>(value.EntityOfType(EntityType), value)
);
_initialized = true;
}
}
}