def probeAndInsert2(self, resource, tuple, table1, table2, time):
record = Record(tuple, time, 0)
if resource in table1:
records = table1[resource]
for t in records:
if t.ats > record.ats:
continue
x = t.tuple.copy()
x.update(tuple)
self.qresults.put(x)
p = table2.get(resource, [])
p.append(record)
table2[resource] = p
def insertAndProbe(self, tuple, input, table1, table2):
# Insert the tuple in its corresponding partition and probe.
# Get the attribute(s) to apply hash.
att = ''
for var in self.vars:
att = att + tuple[var]
i = hash(att) % table1.size
# Insert record in partition.
record = Record(tuple, time(), 0)
table1.insertRecord(i, record)
# Probe the record against its partition in the other table.
self.probe(record, table2.partitions[i], self.vars)
def stage1(self, tuple, input, table1, table2):
# Stage 1: While both sources are sending data.
# Get the attribute(s) to apply hash.
att = ''
for var in self.vars:
att = att + tuple[var]
i = hash(att) % table1.size
# Insert record in partition.
#record = Record(tuple, time(), 0)
record = Record(tuple, self.timestamp, float("inf"))
table1.insertRecord(i, record)
# Probe the record against its partition in the other table.
self.probe(record, table2.partitions[i], self.vars)
def probeAndInsert1(self, tuple, table1, table2, time):
record = Record(tuple, time, 0)
r = self.getResource(tuple)
if r in table1:
records = table1[r]
for t in records:
if t.ats > record.ats:
continue
x = t.tuple.copy()
x.update(tuple)
self.qresults.put(x)
p = table2.get(r, [])
i = (p == [])
p.append(record)
table2[r] = p
return i
def probeAndInsert2(self, resource, tuple, table1, table2, time):
#print "probeAndInsert2", tuple
record = Record(tuple, time, 0)
if resource in table1:
records = table1[resource]
for t in records:
if t.ats > record.ats:
continue
x = t.tuple.copy()
x.update(tuple)
self.qresults.put(x)
# Delete tuple from bag.
try:
self.bag.remove(t.tuple)
except ValueError:
pass
p = table2.get(resource, [])
p.append(record)
table2[resource] = p