private async Task <bool> DeserializeAsync <TState>(ILog log, IHaveState <TState> stateHolder, ISnapshotRepository <TState> repository)
{
await log.WriteInfoAsync(nameof(DeserializeAsync), "", "Loading state...");
var state = await repository.TryGetAsync();
if (state == null)
{
await log.WriteWarningAsync("SnapshotSerializer", nameof(DeserializeAsync),
stateHolder.GetType().Name, "No snapshot found to deserialize");
return(false);
}
string stateDescription;
try
{
stateDescription = stateHolder.DescribeState(state);
}
catch (NotSupportedException)
{
await log.WriteWarningAsync(nameof(DeserializeAsync), "", "Not supported, skipping");
return(false);
}
await log.WriteInfoAsync(nameof(DeserializeAsync), stateDescription, "Settings state...");
try
{
stateHolder.SetState(state);
}
catch (NotSupportedException)
{
await log.WriteWarningAsync(nameof(DeserializeAsync), "", "Not supported, skipping");
return(false);
}
await log.WriteInfoAsync(nameof(DeserializeAsync), "", "State was set");
return(true);
}
public async Task DeserializeAsync()
{
await _log.WriteInfoAsync(nameof(DeserializeAsync), "", "Loading state...");
var state = await _repository.TryGetAsync();
if (state == null)
{
await _log.WriteWarningAsync("SnapshotSerializer", nameof(DeserializeAsync),
_stateHolder.GetType().Name, "No snapshot found to deserialize");
return;
}
await _log.WriteInfoAsync(nameof(DeserializeAsync), _stateHolder.DescribeState(state), "Settings state...");
_stateHolder.SetState(state);
await _log.WriteInfoAsync(nameof(DeserializeAsync), "", "State was set");
}
public async Task <bool> DeserializeAsync <TState>(IHaveState <TState> stateHolder, ISnapshotRepository <TState> repository)
{
return(await DeserializeAsync(_log.CreateComponentScope($"{nameof(SnapshotSerializer)}[{stateHolder.GetType().Name}]"), stateHolder, repository));
}
public async Task SerializeAsync <TState>(IHaveState <TState> stateHolder, ISnapshotRepository <TState> repository)
{
await SerializeAsync(_logFactory.CreateLog($"{nameof(SnapshotSerializer)}[{stateHolder.GetType().Name}]"), stateHolder, repository);
}
public SnapshotSerializer(
IHaveState <TState> stateHolder,
ISnapshotRepository <TState> repository,
ILog log)
{
_stateHolder = stateHolder;
_repository = repository;
_log = log.CreateComponentScope($"{nameof(SnapshotSerializer<TState>)}[{_stateHolder.GetType().Name}]");
}