public static Tuple <FileCheckpointWriter, FilePageWriter> CreateWriterRaw(DirectoryInfo folder, string stream)
{
var streamDir = Path.Combine(folder.FullName, stream);
var di = new DirectoryInfo(streamDir);
if (!di.Exists)
{
di.Create();
}
var pagesFile = new FileInfo(Path.Combine(di.FullName, Constants.StreamFileName));
var checkpointFile = new FileInfo(Path.Combine(di.FullName, Constants.PositionFileName));
var pages = new FilePageWriter(pagesFile);
var checkpoint = new FileCheckpointWriter(checkpointFile);
return(Tuple.Create(checkpoint, pages));
}
public static MessageWriter CreateAndInitWriter(DirectoryInfo folder, string stream)
{
var streamDir = Path.Combine(folder.FullName, stream);
var di = new DirectoryInfo(streamDir);
if (!di.Exists) {
di.Create();
}
var pagesFile = new FileInfo(Path.Combine(di.FullName, Constants.StreamFileName));
var checkpointFile = new FileInfo(Path.Combine(di.FullName, Constants.PositionFileName));
var pages = new FilePageWriter(pagesFile);
var checkpoint = new FileCheckpointWriter(checkpointFile);
var writer = new MessageWriter(pages, checkpoint);
writer.Init();
return writer;
}
public void Setup()
{
_folder = Path.Combine(Path.GetTempPath(), "syntethic_test");
if (!Directory.Exists(_folder)) {
Directory.CreateDirectory(_folder);
}
var streamFile = new FileInfo(Path.Combine(_folder, Constants.StreamFileName));
var checkFile = new FileInfo(Path.Combine(_folder, Constants.PositionFileName));
var pageWriter = new FilePageWriter(streamFile);
var pageReader = new FilePageReader(streamFile);
var checkReader = new FileCheckpointReader(checkFile);
var checkWriter = new FileCheckpointWriter(checkFile);
Writer = new MessageWriter(pageWriter, checkWriter);
Reader = new MessageReader(checkReader, pageReader);
CheckpointReader = checkReader;
PageWriter = pageWriter;
Writer.Init();
}