public DocumentUpsertTransaction(
string directory,
Compression compression,
DocumentStream documents,
IWriteSessionFactory writeSessionFactory = null,
IDocumentWriteCommand documentWriteCommand = null)
: this(directory, documents)
{
var factory = writeSessionFactory ?? new WriteSessionFactory(directory);
WriteSession = factory.OpenWriteSession(compression);
DocumentWriteCommand = documentWriteCommand ?? new DocumentWriteCommand();
}
public UpsertTransaction(
string directory,
IAnalyzer analyzer,
Compression compression,
DocumentStream documents,
IWriteSessionFactory storeWriterFactory = null)
{
long version = Util.GetNextChronologicalFileId();
Log.InfoFormat("begin writing {0}", version);
FileStream lockFile;
if (!Util.TryAquireWriteLock(directory, out lockFile))
{
var compoundFileName = Path.Combine(directory, version + ".rdb");
_compoundFile = new FileStream(
compoundFileName,
FileMode.CreateNew,
FileAccess.Write,
FileShare.ReadWrite,
4096
);
}
else
{
var ixFileName = Util.GetIndexFileNamesInChronologicalOrder(directory).FirstOrDefault();
long dataFileVersion;
if (ixFileName == null)
{
dataFileVersion = version;
}
else
{
dataFileVersion = long.Parse(Path.GetFileNameWithoutExtension(ixFileName));
}
var compoundFileName = Path.Combine(directory, dataFileVersion + ".rdb");
_compoundFile = new FileStream(
compoundFileName,
FileMode.Append,
FileAccess.Write,
FileShare.ReadWrite,
4096
);
_lockFile = lockFile;
}
_directory = directory;
_analyzer = analyzer;
_documents = documents;
_ix = new BatchInfo
{
VersionId = version,
Compression = compression,
PrimaryKeyFieldName = documents.PrimaryKeyFieldName
};
var posFileName = Path.Combine(
_directory, string.Format("{0}.{1}", _ix.VersionId, "pos"));
var factory = storeWriterFactory ?? new WriteSessionFactory(directory, _ix);
_writeSession = factory.OpenWriteSession(_compoundFile);
_postingsWriter = new PostingsWriter(
new FileStream(
posFileName,
FileMode.CreateNew,
FileAccess.ReadWrite,
FileShare.None,
4096,
FileOptions.DeleteOnClose
));
}
