#!/usr/bin/python2.5

#

# Copyright 2008 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.

"""Linkable (Model) query functions.

"""

__authors__ = [

  '"Sverre Rabbelier" <sverre@rabbelier.nl>',

  ]

from soc.logic.models import base

import soc.models.linkable

class Logic(base.Logic):

  """Logic methods for the Linkable model.

  Note: Logic classes should not inherit from this class, instead

  it is meant to be referred to with scope_logic.

  """

  def __init__(self):

    """Defines the name, key_name and model for this entity.

    """

    super(Logic, self).__init__(soc.models.linkable.Linkable)

  def getScopeDepth(self):

    """Returns the scope depth for this entity.

    As it is impossible to determine the scope depth of a Linkable,

    None is returned. This causes the scope regexp to match a scope

    with an arbitrary depth. 

    """

    return None

logic = Logic()