def clear_cache(self):
""" Clears the caches used (flushing any data not yet
written).
"""
if self.caching:
#self.flush()
Tools.method_mapply(self.caches, 'clear', ())
def clear_cache(self):
""" Clears the caches used (flushing any data not yet
written).
"""
if self.caching:
#self.flush()
Tools.method_mapply(self.caches,'clear',())
def free(self, position, OLD=OLD, HOT=HOT):
""" Deletes an already written record by marking it OLD.
The next garbage collection will make the change permanent
and free the occupied space.
"""
if self.state != HOT:
self.mark(HOT)
file = self.file
file.seek(position + 5)
file.write(OLD)
if self.caching:
Tools.method_mapply(self.caches, 'delete', (position, ))
def free(self,position,
OLD=OLD,HOT=HOT):
""" Deletes an already written record by marking it OLD.
The next garbage collection will make the change permanent
and free the occupied space.
"""
if self.state != HOT:
self.mark(HOT)
file = self.file
file.seek(position + 5)
file.write(OLD)
if self.caching:
Tools.method_mapply(self.caches,'delete',(position,))