def _incr(self, prop, amt = 1):
if self._dirty:
raise ValueError, "cannot incr dirty thing"
#make sure we're incr'ing an _int_prop or _data_int_prop.
if prop not in self._int_props:
if (prop in self._data_int_props or
self._int_prop_suffix and prop.endswith(self._int_prop_suffix)):
#if we're incr'ing a data_prop, make sure we're loaded
if not self._loaded:
self._load()
else:
msg = ("cannot incr non int prop %r on %r -- it's not in %r or %r" %
(prop, self, self._int_props, self._data_int_props))
raise ValueError, msg
with g.make_lock("thing_commit", 'commit_' + self._fullname):
self._sync_latest()
old_val = getattr(self, prop)
if self._defaults.has_key(prop) and self._defaults[prop] == old_val:
#potential race condition if the same property gets incr'd
#from default at the same time
setattr(self, prop, old_val + amt)
self._commit(prop)
else:
self.__setattr__(prop, old_val + amt, False)
#db
if prop.startswith('_'):
tdb.incr_thing_prop(self._type_id, self._id, prop[1:], amt)
else:
self._incr_data(self._type_id, self._id, prop, amt)
self._cache_myself()
def _incr(self, prop, amt=1):
if self._dirty:
raise ValueError, "cannot incr dirty thing"
#make sure we're incr'ing an _int_prop or _data_int_prop.
if prop not in self._int_props:
if (prop in self._data_int_props or self._int_prop_suffix
and prop.endswith(self._int_prop_suffix)):
#if we're incr'ing a data_prop, make sure we're loaded
if not self._loaded:
self._load()
else:
msg = (
"cannot incr non int prop %r on %r -- it's not in %r or %r"
% (prop, self, self._int_props, self._data_int_props))
raise ValueError, msg
with g.make_lock("thing_commit", 'commit_' + self._fullname):
self._sync_latest()
old_val = getattr(self, prop)
if self._defaults.has_key(
prop) and self._defaults[prop] == old_val:
#potential race condition if the same property gets incr'd
#from default at the same time
setattr(self, prop, old_val + amt)
self._commit(prop)
else:
self.__setattr__(prop, old_val + amt, False)
#db
if prop.startswith('_'):
tdb.incr_thing_prop(self._type_id, self._id, prop[1:], amt)
else:
self._incr_data(self._type_id, self._id, prop, amt)
self._cache_myself()
def _incr(self, prop, amt=1):
"""Increment self.prop."""
assert not self._dirty
is_base_prop = prop in self._int_props
is_data_prop = prop in self._data_int_props or self._int_prop_suffix and prop.endswith(self._int_prop_suffix)
db_prop = prop[1:] if is_base_prop else prop
assert is_base_prop or is_data_prop
with self.get_read_modify_write_lock() as lock:
self.update_from_cache(lock)
old_val = getattr(self, prop)
new_val = old_val + amt
self.__setattr__(prop, new_val, make_dirty=False)
with TdbTransactionContext():
if is_base_prop:
# can just incr a base prop because it must have been set
# when the object was created
tdb.incr_thing_prop(type_id=self.__class__._type_id, thing_id=self._id, prop=db_prop, amount=amt)
elif prop in self.__class__._defaults and self.__class__._defaults[prop] == old_val:
# when updating a data prop from the default value assume
# the value was never actually set so it's not safe to incr
tdb.set_thing_data(
type_id=self.__class__._type_id, thing_id=self._id, brand_new_thing=False, **{db_prop: new_val}
)
else:
tdb.incr_thing_data(type_id=self.__class__._type_id, thing_id=self._id, prop=db_prop, amount=amt)
# write to cache within the transaction context so an exception
# will cause a transaction rollback
self.write_thing_to_cache(lock)
self.record_cache_write(event="incr")
def _incr(self, prop, amt=1):
"""Increment self.prop."""
assert not self._dirty
is_base_prop = prop in self._int_props
is_data_prop = (prop in self._data_int_props or
self._int_prop_suffix and prop.endswith(self._int_prop_suffix))
db_prop = prop[1:] if is_base_prop else prop
assert is_base_prop or is_data_prop
with self.get_read_modify_write_lock() as lock:
self.update_from_cache(lock)
old_val = getattr(self, prop)
new_val = old_val + amt
self.__setattr__(prop, new_val, make_dirty=False)
if is_base_prop:
# can just incr a base prop because it must have been set when
# the object was created
tdb.incr_thing_prop(
type_id=self.__class__._type_id,
thing_id=self._id,
prop=db_prop,
amount=amt,
)
elif (prop in self.__class__._defaults and
self.__class__._defaults[prop] == old_val):
# when updating a data prop from the default value assume the
# value was never actually set so it's not safe to incr
tdb.set_thing_data(
type_id=self.__class__._type_id,
thing_id=self._id,
brand_new_thing=False,
**{db_prop: new_val}
)
else:
tdb.incr_thing_data(
type_id=self.__class__._type_id,
thing_id=self._id,
prop=db_prop,
amount=amt,
)
self.write_thing_to_cache(lock)
self.record_cache_write(event="incr")
