def load(cls, root, path):
ts, rev, hash = path.split("_")
t = Transaction(rev)
t.ts = ts
f = open(root + '/transaction/%s' % path)
d = f.read()
for i in d.split('\n'):
i = i.strip()
if i:
t.statements.append( Statement.from_json(i) )
return t
def replay_compacted(self):
compacted_transactions = os.listdir(self.data_path + '/compact/')
compacted_transactions.sort()
cur_trans = None
for i in compacted_transactions:
f = open(self.data_path + '/compact/' + i)
for j in f.readlines():
j = j.strip()
if j.startswith('begin'):
# start transaction
if cur_trans:
self.commit_transaction(cur_trans, is_replay=True)
ts, rev, hash = j.split(' ')[1].split("_")
cur_trans = Transaction(rev)
cur_trans.ts = ts
else:
cur_trans.statements.append( Statement.from_json(j) )
if cur_trans:
self.commit_transaction(cur_trans)
