def __init__(self, si, closeDir=False):
self.directory = si.dir
self.closeDirectory = closeDir
self.segment = si.name
self.nrms = {}
self.deletedDocsDirty = False
self.fieldInfos = field.FieldInfos(self.directory,
self.segment + '.fnm')
self.fieldsReader = field.FieldsReader(self.directory,
self.segment,
self.fieldInfos)
self.tis = TermInfosReader(self.directory,
self.segment,
self.fieldInfos)
if SegmentReader.hasDeletions(si):
self.deletedDocs = BitVector(self.directory,
self.segment + '.del')
else:
self.deletedDocs = None
# makes sure that all index files have been read or are kept open
# so that if an index update removes them we'll still have them
self.freqStream = self.directory.openFile(self.segment + '.frq')
self.proxStream = self.directory.openFile(self.segment + '.prx')
self.openNorms()
def doDelete(self, docNum):
if self.deletedDocs is None:
self.deletedDocs = BitVector(self.maxDoc())
self.deletedDocsDirty = True
self.deletedDocs.set(docNum)
