def __init__(self, path, prefixList, fileArraySize, chrSize, valDataType='float64', valDim=1, \
weightDataType='float64', weightDim=1, maxNumEdges=0, maxStrLens={}, elementsAreSorted=False):
self._files = OrderedDict()
if not os.path.exists(path):
os.makedirs(path)
for prefix in prefixList:
self._files[prefix] = OutputFile(path, prefix, fileArraySize,
valDataType, valDim,
weightDataType, weightDim,
maxNumEdges, maxStrLens)
if 'start' in self._files or 'end' in self._files:
self._indexFiles = OutputIndexFilePair(path, chrSize,
self._files.get('start'),
self._files.get('end'))
else:
self._indexFiles = None
self._elementsAreSorted = elementsAreSorted
