public Bootstrapper(ILogger <Bootstrapper> logger, IEnumerable <IInitializer> initializers, IInitializersValidator validator, IProcessConstructor builder)
{
Logger = logger ?? throw new ArgumentNullException(nameof(logger));
var immutableInitializers = initializers?.ToImmutableArray() ?? throw new ArgumentNullException(nameof(initializers));
if (validator == null)
{
throw new ArgumentNullException(nameof(validator));
}
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
var result = validator.Validate(immutableInitializers);
if (!result.IsValid)
{
throw new ValidationException(result);
}
AdditionalTime = TimeSpan.FromSeconds(5);
StartProcess = new Lazy <IProcess>(() => builder.BuildStartupProcess(immutableInitializers));
StopProcess = new Lazy <IProcess>(() => builder.BuildShutdownProcess(immutableInitializers));
}
private IProcess BuildProcess(IReadOnlyCollection <IInitializer> initializers, InitializerExtractor extractor)
{
var result = _validator.Validate(initializers);
if (!result.IsValid)
{
throw new ValidationException(result);
}
var firstInitializer = initializers.SingleOrDefault(x => extractor.WhereModeEquals(x, RunModes.First));
var lastInitializer = initializers.SingleOrDefault(x => extractor.WhereModeEquals(x, RunModes.Last));
var beginningInitializers = initializers.Where(x => extractor.WhereModeEquals(x, RunModes.Beginning)).ToArray();
var endingInitializers = initializers.Where(x => extractor.WhereModeEquals(x, RunModes.Ending)).ToArray();
var mainProcess = new SequentialProcess();
if (firstInitializer != null)
{
mainProcess.Add(extractor.AsSingleProcess(firstInitializer));
}
var sequence = BuildSequence(beginningInitializers, extractor);
if (sequence != null)
{
mainProcess.Add(sequence);
}
sequence = BuildSequence(endingInitializers, extractor);
if (sequence != null)
{
mainProcess.Add(sequence);
}
if (lastInitializer != null)
{
mainProcess.Add(extractor.AsSingleProcess(lastInitializer));
}
var optimizedProcess = _optimizer.OptimizeProcess(mainProcess);
return(optimizedProcess);
}