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);
}
private IProcess BuildComplexProcess(IReadOnlyCollection <IInitializer> initializers, InitializerConverter converter)
{
var firstInitializer = initializers.SingleOrDefault(x => converter.WhereModeEquals(x, RunModes.First));
var lastInitializer = initializers.SingleOrDefault(x => converter.WhereModeEquals(x, RunModes.Last));
var beginningInitializers = initializers.Where(x => converter.WhereModeEquals(x, RunModes.Beginning)).ToArray();
var endingInitializers = initializers.Where(x => converter.WhereModeEquals(x, RunModes.Ending)).ToArray();
var mainProcess = new SequentialProcess();
if (firstInitializer != null)
{
mainProcess.Add(converter.AsSingleProcess(firstInitializer));
}
var sequence = BuildSequence(beginningInitializers, converter);
if (sequence != null)
{
mainProcess.Add(sequence);
}
sequence = BuildSequence(endingInitializers, converter);
if (sequence != null)
{
mainProcess.Add(sequence);
}
if (lastInitializer != null)
{
mainProcess.Add(converter.AsSingleProcess(lastInitializer));
}
var optimizedProcess = _optimizer.OptimizeProcess(mainProcess);
return(optimizedProcess);
}