--- a/app/soc/logic/models/rankerroot.py Wed Mar 04 16:54:17 2009 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,80 +0,0 @@
-#!/usr/bin/python2.5
-#
-# Copyright 2009 the Melange authors.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-"""RankerRoot (Model) query functions.
-"""
-
-__authors__ = [
- '"Lennard de Rijk" <ljvderijk@gmail.com>',
- ]
-
-from google.appengine.api import datastore
-
-from ranklist.ranker import Ranker
-
-from soc.logic.models import base
-
-import soc.models.rankerroot
-
-
-class Logic(base.Logic):
- """Logic methods for the RankerRoot model.
- """
-
- def __init__(self, model=soc.models.rankerroot.RankerRoot,
- base_model=None, scope_logic=None):
- """Defines the name, key_name and model for this entity.
- """
-
- super(Logic, self).__init__(model=model, base_model=base_model,
- scope_logic=scope_logic)
-
- def create(self, name, scope, scores, branching_factor):
- """Creates a new RankerRoot with a new Ranker.
-
- Args:
- name: the Link ID of the ranker root
- scope: the entity owning the ranker
- score_range: A list showing the range of valid scores, in the form:
- [most_significant_score_min, most_significant_score_max,
- less_significant_score_min, less_significant_score_max, ...]
- Ranges are [inclusive, exclusive)
- branching_factor: The branching factor of the tree. The number of
- datastore Gets is Theta(1/log(branching_factor)), and the amount of data
- returned by each Get is Theta(branching_factor).
-
- """
- ranker = Ranker.Create(scores, branching_factor)
-
- fields = {'link_id': name,
- 'scope': scope,
- 'scope_path': scope.key().name(),
- 'root': ranker.rootkey}
-
- key_name = self.getKeyNameFromFields(fields)
- self.updateOrCreateFromKeyName(fields, key_name)
-
- def getRootFromEntity(self, entity):
- """Returns a Ranker object created from a RankerRoot entity.
-
- Args:
- entity: A RankerRoot entity which the root should be retrieved of
- """
-
- return Ranker(datastore.Get(entity.key())['root'])
-
-
-logic = Logic()