private Slice CreateMappedResultKey(int view, string reduceKey)
{
var sliceWriter = new SliceWriter(12);
sliceWriter.WriteBigEndian(view);
sliceWriter.WriteBigEndian(Hashing.XXHash64.CalculateRaw(reduceKey));
return(sliceWriter.CreateSlice());
}
private Slice CreateScheduleReductionKey(int view, int level, string reduceKey)
{
var sliceWriter = new SliceWriter(16);
sliceWriter.WriteBigEndian(view);
sliceWriter.WriteBigEndian(level);
sliceWriter.WriteBigEndian(Hashing.XXHash64.CalculateRaw(reduceKey));
return(sliceWriter.CreateSlice());
}
private Slice CreateReduceResultsWithBucketKey(int view, string reduceKey, int level, int bucket)
{
var sliceWriter = new SliceWriter(20);
sliceWriter.WriteBigEndian(view);
sliceWriter.WriteBigEndian(Hashing.XXHash64.CalculateRaw(reduceKey));
sliceWriter.WriteBigEndian(level);
sliceWriter.WriteBigEndian(bucket);
return(sliceWriter.CreateSlice());
}
protected Slice CreateViewKey(int view)
{
var sliceWriter = new SliceWriter(4);
sliceWriter.WriteBigEndian(view);
return(sliceWriter.CreateSlice());
}
private Slice CreateBucketAndEtagKey(int bucket, Etag id)
{
var sliceWriter = new SliceWriter(20);
sliceWriter.WriteBigEndian(bucket);
sliceWriter.Write(id.ToByteArray());
return(sliceWriter.CreateSlice());
}
private Slice GetNextEtagKey()
{
var nextEtag = ++lastEtag;
var keyWriter = new SliceWriter(keyBuffer);
keyWriter.WriteBigEndian(nextEtag);
return(keyWriter.CreateSlice());
}
public void DeleteIndexEntry(long id)
{
var sliceWriter = new SliceWriter(8);
sliceWriter.WriteBigEndian(id);
_currentDocumentIdSlice = sliceWriter.CreateSlice();
_writeBatch.Add(_currentDocumentIdSlice, Stream.Null, "deletes");
}
public static Slice ToSlice(this long val, ByteStringContext context)
{
lock (_writerSync) //precaution, should be uncontested
{
_int64Writer.Reset();
_int64Writer.WriteBigEndian(val);
return(_int64Writer.CreateSlice(context));
}
}
public void Commit()
{
ThrowIfDisposed();
if (_hasIdChanged)
{
var valueWriter = new SliceWriter(sizeof(long));
valueWriter.WriteBigEndian(_nextId);
MetadataTree.Add(_nextIdKey, valueWriter.CreateSlice(_storage.ByteStringContext));
}
_tx.Commit();
}
public void NewIndexEntry()
{
if (AutoFlush && _writeBatch.Size() > FlushThresholdBytes)
{
Flush();
}
CurrentDocumentId = _parent.NextDocumentId();
var sliceWriter = new SliceWriter(8);
sliceWriter.WriteBigEndian(CurrentDocumentId);
_currentDocumentIdSlice = sliceWriter.CreateSlice();
_writeBatch.Add(_currentDocumentIdSlice, Stream.Null, "docs");
}
private Slice CreateMappedResultWithBucketKey(int view, string reduceKey, int bucket)
{
var sliceWriter = new SliceWriter(16);
sliceWriter.WriteBigEndian(view);
sliceWriter.WriteBigEndian(Hashing.XXHash64.CalculateRaw(reduceKey));
sliceWriter.WriteBigEndian(bucket);
return sliceWriter.CreateSlice();
}
private Slice CreateReduceResultsKey(int view, string reduceKey, int level)
{
var sliceWriter = new SliceWriter(16);
sliceWriter.WriteBigEndian(view);
sliceWriter.WriteBigEndian(Hashing.XXHash64.CalculateRaw(reduceKey));
sliceWriter.WriteBigEndian(level);
return sliceWriter.CreateSlice();
}
private Slice CreateBucketAndEtagKey(int bucket, Etag id)
{
var sliceWriter = new SliceWriter(20);
sliceWriter.WriteBigEndian(bucket);
sliceWriter.Write(id.ToByteArray());
return sliceWriter.CreateSlice();
}