public override void ApplyCommand(ReplicatedTokenRequest tokenRequest, long commandIndex, System.Action <Result> callback)
{
lock (this)
{
if (commandIndex <= _lastCommittedIndex)
{
return;
}
int?tokenId = _tokenRegistry.getId(tokenRequest.TokenName());
if (tokenId == null)
{
try
{
ICollection <StorageCommand> commands = ReplicatedTokenRequestSerializer.ExtractCommands(tokenRequest.CommandBytes());
tokenId = ApplyToStore(commands, commandIndex);
}
catch (NoSuchEntryException)
{
throw new System.InvalidOperationException("Commands did not contain token command");
}
_tokenRegistry.put(new NamedToken(tokenRequest.TokenName(), tokenId.Value));
}
callback(Result.of(tokenId));
}
}
private sbyte[] CreateCommands(string tokenName)
{
StorageEngine storageEngine = _storageEngineSupplier.get();
ICollection <StorageCommand> commands = new List <StorageCommand>();
TransactionState txState = new TxState();
int tokenId = Math.toIntExact(_idGeneratorFactory.get(_tokenIdType).nextId());
_tokenCreator.createToken(txState, tokenName, tokenId);
try
{
using (StorageReader statement = storageEngine.NewReader())
{
storageEngine.CreateCommands(commands, txState, statement, [email protected]_Fields.None, long.MaxValue, NO_DECORATION);
}
}
catch (Exception e) when(e is CreateConstraintFailureException || e is TransactionFailureException || e is ConstraintValidationException)
{
throw new Exception("Unable to create token '" + tokenName + "'", e);
}
return(ReplicatedTokenRequestSerializer.CommandBytes(commands));
}