/// <inheritdoc />
public async Task <MachineStatus <TState, TInput> > CreateMachineAsync(
Schematic <TState, TInput> schematic,
string machineId,
Metadata metadata,
CancellationToken cancellationToken = default)
{
if (schematic == null)
{
throw new ArgumentNullException(nameof(schematic));
}
var id = machineId ?? Guid.NewGuid().ToString();
var schematicBytes = LZ4MessagePackSerializer.Serialize(schematic, ContractlessStandardResolver.Instance);
var hash = Convert.ToBase64String(Murmur3.ComputeHashBytes(schematicBytes));
var schematicResult = await _restateDatabase.StringGetAsync($"{MachineSchematicsKeyPrefix}/{hash}");
if (!schematicResult.HasValue)
{
await _restateDatabase.StringSetAsync($"{MachineSchematicsKeyPrefix}/{hash}", schematicBytes);
}
const int commitNumber = 0;
var updatedTime = DateTimeOffset.UtcNow;
var record = new RedisMachineStatus <TState, TInput>
{
MachineId = id,
SchematicHash = hash,
State = schematic.InitialState,
CommitNumber = commitNumber,
UpdatedTime = updatedTime,
Metadata = metadata,
StateBag = new Dictionary <string, string>()
};
var recordBytes = MessagePackSerializer.Serialize(record);
await _restateDatabase.StringSetAsync($"{MachinesKeyPrefix}/{machineId}", recordBytes, null, When.NotExists).ConfigureAwait(false);
return(new MachineStatus <TState, TInput>
{
MachineId = machineId,
Schematic = schematic,
State = schematic.InitialState,
CommitNumber = commitNumber,
UpdatedTime = updatedTime,
Metadata = metadata,
StateBag = record.StateBag
});
}
/// <inheritdoc />
public async Task <ICollection <MachineStatus <TState, TInput> > > BulkCreateMachinesAsync(
Schematic <TState, TInput> schematic,
IEnumerable <Metadata> metadata,
CancellationToken cancellationToken = default)
{
var schematicBytes = LZ4MessagePackSerializer.Serialize(schematic, ContractlessStandardResolver.Instance);
var hash = Convert.ToBase64String(Murmur3.ComputeHashBytes(schematicBytes));
const int commitNumber = 0;
var machineRecords =
metadata.Select(meta =>
new MachineStatus <TState, TInput>
{
MachineId = Guid.NewGuid().ToString(),
Schematic = schematic,
State = schematic.InitialState,
CommitNumber = commitNumber,
UpdatedTime = DateTime.UtcNow,
Metadata = meta,
StateBag = new Dictionary <string, string>()
}).ToList();
await _restateDatabase.StringSetAsync($"{MachineSchematicsKeyPrefix}/{hash}", schematicBytes, null, When.NotExists);
var batchOps = machineRecords.Select(s =>
_restateDatabase.StringSetAsync($"{MachinesKeyPrefix}/{s.MachineId}", MessagePackSerializer.Serialize(
new RedisMachineStatus <TState, TInput>
{
MachineId = s.MachineId,
SchematicHash = hash,
State = s.State,
CommitNumber = s.CommitNumber,
UpdatedTime = s.UpdatedTime,
Metadata = s.Metadata,
StateBag = s.StateBag
}))
);
await Task.WhenAll(batchOps).ConfigureAwait(false);
return(machineRecords);
}