protected override async Task <Response> OnExecute(ExecutionContext context, Request request)
{
var branch = await context.Branch().ConfigureAwait(false);
using var transaction = branch.BeginTransaction();
var serviceNode = new ServiceNode()
{
Id = NodeId.Create <ServiceNode>(request.Id),
ServiceId = request.Id,
Metadata = NodeMetadata.Create(context.TimeProvider())
};
if (await branch.Services.PutIfAbsentAsync(serviceNode.Id, serviceNode)
.ConfigureAwait(false))
{
await transaction.CommitAsync().ConfigureAwait(false);
return(new Response()
{
Service = serviceNode.ToOutput()
});
}
throw new ExecutionException(ExecutionErrorType.Conflict, $"Service {request.Id} already exist");
}