private string MakeFinalFileName(int batchIndex, Batch batch, GeneratorParams parameters)
{
if (string.IsNullOrWhiteSpace(batch.FileNameFormat))
throw new ArgumentException("Invalid batch file name format.");
return batch.FileNameFormat
.Replace("{i}", batchIndex.ToString())
.Replace("{b}", parameters.BurstTimeMean.ToString())
.Replace("{p}", parameters.PriorityMean.ToString())
.Replace("{m}", parameters.MemoryMean.ToString());
}
public async Task<bool> TryWriteBatchFile(string finalFilePath, Batch batch)
{
try
{
using (var writer = File.CreateText(finalFilePath))
{
foreach (var desc in batch.ProcessDescs)
await writer.WriteLineAsync(string.Format(
"{0} {1} {2} {3}",
desc.CpuBurstTime,
desc.Delay,
desc.Priority,
desc.Memory));
return true;
}
}
catch
{
return false;
}
}
public async Task<bool> TryGenerate(GeneratorParams parameters)
{
var batches = new Batch[parameters.BatchCount];
await Task.Run(() =>
{
Parallel.For(0, parameters.BatchCount, i =>
{
batches[i] = batchCreator.CreateBatch(i.GetHashCode(), parameters);
});
});
var batchesWithFileNames = batches.Select((batch, batchIndex) => new
{
Batch = batch,
FilePath = MakeFinalFileName(batchIndex, batch, parameters)
});
return (await Task.WhenAll(batchesWithFileNames.Select(async item => new
{
Result = await batchWriter.TryWriteBatchFile(item.FilePath, item.Batch),
Path = item.FilePath
}))).All(item => item.Result);
}