class BatchRequest(object):
def __init__(self, parent, start):
self.parent = parent
self.numactive = 0
self.start = start
self.requests = OrderedDict()
def add_request(self, filename, begin, length):
r = (filename, begin, length)
assert r not in self.requests
self.parent._add_request(filename, begin, length, self)
self.requests[r] = None
self.numactive += 1
def got_request(self, filename, begin, length, data):
self.requests[(filename, begin, length)] = data
self.numactive -= 1
def get_result(self):
if self.numactive > 0:
return None
chunks = []
for k in self.requests.itervalues():
chunks.append(k)
return ''.join(chunks)
def __init__(self, parent, start):
self.parent = parent
self.numactive = 0
self.start = start
self.requests = OrderedDict()