configurationengine/source/plugins/common/ConeRulePlugin/ruleplugin/evals/layer_utils.py
Adding EPL version of configurationengine.
# Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
# All rights reserved.
# This component and the accompanying materials are made available
# under the terms of "Eclipse Public License v1.0"
# which accompanies this distribution, and is available
# at the URL "http://www.eclipse.org/legal/epl-v10.html".
#
# Initial Contributors:
# Nokia Corporation - initial contribution.
#
# Contributors:
#
# Description:
#
'''
Ruleml eval extension to check is passed ref changed on given layer(range).
'''
from cone.public import api
import logging
logger = logging.getLogger('cone.ruleplugin.evals.layer_utils')
def give_changed_layers(feat):
"""
Returns a list of booleans where True means that feature is changed in that layer. Index is
same than in configuration root's get_configuration_by_index().
"""
logger.debug('Checking feature: %s' % feat.fqr)
root_conf = feat.get_root_configuration()
nro_of_layers = len(root_conf.list_configurations())
result = [False] * nro_of_layers
for i in range(0, nro_of_layers):
conf = root_conf.get_configuration_by_index(i)
logger.debug("Traversing data from configuration: %s" % conf.get_path())
datas = conf._traverse(type=api.Data, filters=[lambda d: d.fqr==feat.fqr])
for data in datas:
try:
if data.get_value() != None:
logger.debug("Feature '%s' is changed in layer %s with data '%s'" % (feat.fqr, i, data.get_value()))
result[i] = True
except Exception, e:
logger.debug("Failed to check Feature '%s' data in layer %s:", (e,i))
if result[i] == False:
logger.debug("Feature '%s' is not changed in layer: %s" % (feat.fqr, i))
logger.debug("Feature '%s' is changed in layers: %s" % (feat.fqr, result))
return result
def changed_on_last_layer(feat):
"""
Returns True if feature is changed in the last layer.
"""
root_conf = feat.get_root_configuration()
conf = root_conf.get_configuration_by_index(-2)#autoconfig layer is ignored
def check(node):
if isinstance(node, api.Data) and node.fqr == feat.fqr:
return True
for obj in node._objects():
if check(obj):
return True
if check(conf):
return True
else:
return False
def changed_on_autoconfig_layer(feat):
"""
Returns True if feature is changed in the autoconfig layer.
"""
root_conf = feat.get_root_configuration()
conf = root_conf.get_configuration_by_index(-1)
def check(node):
if isinstance(node, api.Data) and node.fqr == feat.fqr:
return True
for obj in node._objects():
if check(obj):
return True
if check(conf):
return True
else:
return False
def changed_on_layer(feat, layer):
"""
Returns True if feature is changed in the given layer.
"""
try:
return give_changed_layers(feat)[layer]
except IndexError, e:
logger.warning("Given layer is not found: %s" % (layer))
return False
def changed_on_layers(feat, findex, tindex):
"""
Returns True if feature is changed in layer of given range.
"""
layers = give_changed_layers(feat)
if findex == tindex:
return changed_on_layer(feat, findex)
for i in range(findex, tindex):
if i > len(layers):
continue
if layers != None and layers[i] != None and layers[i]:
return True
return False