def new(cls, io, fileheader=FileHeader(), INDEX_COUNT=50, BUFFER_SIZE=10000, OUTPOINTS_SIZE=1000):
fileheader = io.write(data=FileHeaderSerializer.serialize(fileheader))
txchunk_file = TransactionalChunkFile.new(io, INDEX_COUNT=INDEX_COUNT, BUFFER_SIZE=BUFFER_SIZE)
chunkfile = txchunk_file.chunkfile
# Appending/format other chunks (Not done transactionally)
chunkfile.append_chunk( OUTPOINTS_NAME, OUTPOINTS_SIZE )
outpointsio = ChunkIO.from_name(chunkfile, OUTPOINTS_NAME)
outpoint_dict = SerializedDict.new(outpointsio, outpointsio.size, serializer=OutpointIndexSerializer)
# re-open them transactionally
outpoint_io = TransactionalIO.from_chunkname(txchunk_file, OUTPOINTS_NAME)
outpoint_dict = SerializedDict.load(outpoint_io, OUTPOINTS_SIZE, OutpointIndexSerializer)
return cls(fileheader, txchunk_file, outpoint_dict)
def new(cls,
io,
fileheader=FileHeader(),
INDEX_COUNT=50,
BUFFER_SIZE=10000,
OUTPOINTS_SIZE=1000):
fileheader = io.write(data=FileHeaderSerializer.serialize(fileheader))
txchunk_file = TransactionalChunkFile.new(io,
INDEX_COUNT=INDEX_COUNT,
BUFFER_SIZE=BUFFER_SIZE)
chunkfile = txchunk_file.chunkfile
# Appending/format other chunks (Not done transactionally)
chunkfile.append_chunk(OUTPOINTS_NAME, OUTPOINTS_SIZE)
outpointsio = ChunkIO.from_name(chunkfile, OUTPOINTS_NAME)
outpoint_dict = SerializedDict.new(outpointsio,
outpointsio.size,
serializer=OutpointIndexSerializer)
# re-open them transactionally
outpoint_io = TransactionalIO.from_chunkname(txchunk_file,
OUTPOINTS_NAME)
outpoint_dict = SerializedDict.load(outpoint_io, OUTPOINTS_SIZE,
OutpointIndexSerializer)
return cls(fileheader, txchunk_file, outpoint_dict)
