def final_conditions(self,system_range):
"""Return the final conditions for a range of systems that
is the largest time for which the system has a valid entry
right now we don't support going through all systems
but that should not be difficult to add
"""
c = self.system_idx.cursor()
if system_range.isUniversal() :
s0 = 0
s1 = sys.maxint
c.first()
else:
s0, s1 = system_range.ulPair()
k = PKey.packSys(s0)
c.set_range(k)
sysid = s0-1
while sysid < s1 and c.next() != None :
if c.get(DB_NEXT_NODUP) == None :
ks, l = c.last()
else:
ks, l = c.prev()
sysid = PKey.unpackSys(ks)
yield sysid, LogRecord.from_binary(l)
def final_conditions(self, system_range):
"""Return the final conditions for a range of systems that
is the largest time for which the system has a valid entry
right now we don't support going through all systems
but that should not be difficult to add
"""
c = self.system_idx.cursor()
if system_range.isUniversal():
s0 = 0
s1 = sys.maxint
c.first()
else:
s0, s1 = system_range.ulPair()
k = PKey.packSys(s0)
c.set_range(k)
sysid = s0 - 1
while sysid < s1 and c.next() != None:
if c.get(DB_NEXT_NODUP) == None:
ks, l = c.last()
else:
ks, l = c.prev()
sysid = PKey.unpackSys(ks)
yield sysid, LogRecord.from_binary(l)
def initial_conditions(self, system_range):
"""Return initial coniditions for the system range"""
c = self.system_idx.cursor()
if system_range.isUniversal() :
s0 = 0
s1 = sys.maxint
c.first()
else:
s0, s1 = system_range.ulPair()
k = PKey.packSys(s0)
c.set_range(k)
sysid = s0
while sysid < s1 :
r = c.get(DB_NEXT_NODUP)
if r :
ks, l = r
sysid = PKey.unpackSys(ks)
yield sysid, LogRecord.from_binary(l)
else:
break
def initial_conditions(self, system_range):
"""Return initial coniditions for the system range"""
c = self.system_idx.cursor()
if system_range.isUniversal():
s0 = 0
s1 = sys.maxint
c.first()
else:
s0, s1 = system_range.ulPair()
k = PKey.packSys(s0)
c.set_range(k)
sysid = s0
while sysid < s1:
r = c.get(DB_NEXT_NODUP)
if r:
ks, l = r
sysid = PKey.unpackSys(ks)
yield sysid, LogRecord.from_binary(l)
else:
break
def decodeKVP(r):
return (PKey.fromBinary(r[0]),LogRecord.from_binary(r[1]))
def decodeKVP(r):
return (PKey.fromBinary(r[0]), LogRecord.from_binary(r[1]))