protected ImplBase(IHostEnvironment env, TOptions options, string name)
{
Contracts.CheckValue(env, nameof(env));
// Note that env may be null here, which is OK since the CheckXxx methods are extension
// methods designed to allow null.
env.CheckValue(options, nameof(options));
env.CheckUserArg(!(options.Parallel < 0), nameof(options.Parallel), "Degree of parallelism must be non-negative (or null)");
// Capture the environment options from args.
env = env.Register(name, options.RandomSeed, options.Verbose);
env.CheckNonWhiteSpace(name, nameof(name));
Host = env.Register(name);
ImplOptions = options;
_serverFactory = options.Server;
Utils.CheckOptionalUserDirectory(options.OutputModelFile, nameof(options.OutputModelFile));
}
/// <summary>
/// The degree of concurrency is passed in the conc parameter. If it is null, the value
/// of args.parralel is used. If that is null, zero is used (which means "automatic").
/// </summary>
protected ImplBase(IHostEnvironment env, TArgs args, string name, int?conc = null)
{
Contracts.CheckValue(env, nameof(env));
// Note that env may be null here, which is OK since the CheckXxx methods are extension
// methods designed to allow null.
env.CheckValue(args, nameof(args));
env.CheckParam(conc == null || conc >= 0, nameof(conc), "Degree of concurrency must be non-negative (or null)");
conc = conc ?? args.Parallel;
env.CheckUserArg(!(conc < 0), nameof(args.Parallel), "Degree of parallelism must be non-negative (or null)");
// Capture the environment options from args.
env = env.Register(name, args.RandomSeed, args.Verbose, conc);
env.CheckNonWhiteSpace(name, nameof(name));
Host = env.Register(name);
Args = args;
_serverFactory = args.Server;
Utils.CheckOptionalUserDirectory(args.OutputModelFile, nameof(args.OutputModelFile));
}
