app/soc/models/priority_group.py
author Sverre Rabbelier <srabbelier@gmail.com>
Sun, 19 Apr 2009 17:42:44 +0000
changeset 2246 c29272f640b0
parent 2208 1bf4e904d5f5
child 2358 e5821b87f6e3
permissions -rw-r--r--
Tweak the 'load balancing' algorithm In order to reduce contention we randomly skipped jobs, but this caused many jobs to end up stopping early. Now instead we keep on going until we time out (also increased the chance of doing work). Patch by: Sverre Rabbelier
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
2208
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
     1
#!/usr/bin/python2.5
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
     2
#
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
     3
# Copyright 2009 the Melange authors.
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
     4
#
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
     5
# Licensed under the Apache License, Version 2.0 (the "License");
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
     6
# you may not use this file except in compliance with the License.
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
     7
# You may obtain a copy of the License at
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
     8
#
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
     9
#   http://www.apache.org/licenses/LICENSE-2.0
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    10
#
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    11
# Unless required by applicable law or agreed to in writing, software
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    12
# distributed under the License is distributed on an "AS IS" BASIS,
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    13
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    14
# See the License for the specific language governing permissions and
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    15
# limitations under the License.
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    16
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    17
"""This module contains the Priority Group Model."""
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    18
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    19
__authors__ = [
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    20
  '"Sverre Rabbelier" <sverre@rabbelier.nl>',
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    21
]
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    22
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    23
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    24
from google.appengine.ext import db
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    25
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    26
from django.utils.translation import ugettext
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    27
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    28
from soc.models import linkable
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    29
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    30
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    31
class PriorityGroup(linkable.Linkable):
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    32
  """The PriorityGroup model.
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    33
  """
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    34
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    35
  #: the priority of this group, 0 being lower than 1
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    36
  priority = db.IntegerProperty(required=False, default=0)
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    37
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    38
  #: the human readable name of this priority gropu
1bf4e904d5f5 Add priority groups (model, logic, and view)
Sverre Rabbelier <srabbelier@gmail.com>
parents:
diff changeset
    39
  name = db.StringProperty(required=False)