public ValueTask <ImmutableArray <(Checksum, object)> > GetAssetsAsync(
int serviceId, ISet <Checksum> checksums, ISerializerService deserializerService, CancellationToken cancellationToken)
{
var results = new List <(Checksum, object)>();
foreach (var checksum in checksums)
{
if (_map.TryGetValue(checksum, out var data))
{
using var stream = new MemoryStream();
using (var writer = new ObjectWriter(stream, leaveOpen: true, cancellationToken))
{
_serializerService.Serialize(data, writer, cancellationToken);
}
stream.Position = 0;
using var reader = ObjectReader.GetReader(stream, leaveOpen: true, cancellationToken);
var asset = deserializerService.Deserialize <object>(data.GetWellKnownSynchronizationKind(), reader, cancellationToken);
Contract.ThrowIfTrue(asset is null);
results.Add((checksum, asset));
}
else
{
throw ExceptionUtilities.UnexpectedValue(checksum);
}
}
return(ValueTaskFactory.FromResult(results.ToImmutableArray()));
}
/// <inheritdoc/>
public object?Read(Type type, BinaryReader reader)
{
var length = reader.ReadInt32();
if (length == -1)
{
return(null !);
}
var et = type.GetElementType();
var r = ObjectReader.GetReader(et);
var array = Array.CreateInstance(et, length);
for (var j = 0; j < length; j++)
{
var o = r.Read(et, reader);
array.SetValue(o, j);
}
return(array);
}