public FileChunkReader(string inputFilePath, FileChunkQueue processingQueue)
{
InputFilePath = inputFilePath;
ProcessingQueue = processingQueue;
_worker = new Thread(Read);
}
public CompressionModeFactory(string inputFilePath, string outputFilePath,
FileChunkQueue compressionQueue, FileChunkQueue writingQueue)
{
InputFilePath = inputFilePath;
OutputFilePath = outputFilePath;
CompressionQueue = compressionQueue;
WritingQueue = writingQueue;
}
public FileChunkWriter(string outputFilePath, FileChunkQueue inputQueue, long totalChunkCount, EventWaitHandle finishHandle)
{
OutputFilePath = outputFilePath;
InputQueue = inputQueue;
TotalChunkCount = totalChunkCount;
FinishEventHandle = finishHandle;
_worker = new Thread(Write);
}
public CompressionWorker(FileChunkQueue inputQueue, FileChunkQueue outputQueue,
ICompressionModeStrategy compressionStrategy)
{
InputQueue = inputQueue;
OutputQueue = outputQueue;
CompressionStrategy = compressionStrategy;
for (int i = 0; i < _numOfWorkerThreads; ++i)
{
_waitHandles[i] = new AutoResetEvent(false);
_workers[i] = new Thread(new ParameterizedThreadStart(RunCompression));
}
}
public static CompressionModeFactory Create(InputParameters parameters)
{
var compressionQueue = new FileChunkQueue();
var writingQueue = new FileChunkQueue();
if (String.Equals(parameters.CompressionMode, "compress", StringComparison.InvariantCultureIgnoreCase))
{
return(new GzCompressionFactory(parameters.InputFilePath, parameters.OutputFilePath,
compressionQueue, writingQueue));
}
if (String.Equals(parameters.CompressionMode, "decompress", StringComparison.InvariantCultureIgnoreCase))
{
return(new GzDecompressionFactory(parameters.InputFilePath, parameters.OutputFilePath,
compressionQueue, writingQueue));
}
throw new ArgumentOutOfRangeException("First parameter must have 'compress' or 'decompress' values");
}
public FileChunkCompressionReader(string inputFilePath, FileChunkQueue processingQueue,
int chunkByteSize = 2 << 23) : base(inputFilePath, processingQueue)
{
ChunkByteSize = chunkByteSize;
}
public GzDecompressionFactory(string inputFilePath, string outputFilePath,
FileChunkQueue processingQueue, FileChunkQueue writingQueue)
: base(inputFilePath, outputFilePath, processingQueue, writingQueue)
{
}
public FileChunkDecompressionReader(string inputFilePath, FileChunkQueue processingQueue)
: base(inputFilePath, processingQueue)
{
}
public FileChunkDecompressionWriter(string outputFilePath, FileChunkQueue inputQueue, long totalChunkCount, EventWaitHandle finishHandle)
: base(outputFilePath, inputQueue, totalChunkCount, finishHandle)
{
}
