diff options
Diffstat (limited to 'azure/aria/aria-extension-cloudify/src/aria/extensions/aria_extension_tosca/simple_v1_0/filters.py')
| -rw-r--r-- | azure/aria/aria-extension-cloudify/src/aria/extensions/aria_extension_tosca/simple_v1_0/filters.py | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/azure/aria/aria-extension-cloudify/src/aria/extensions/aria_extension_tosca/simple_v1_0/filters.py b/azure/aria/aria-extension-cloudify/src/aria/extensions/aria_extension_tosca/simple_v1_0/filters.py new file mode 100644 index 0000000..95d84b2 --- /dev/null +++ b/azure/aria/aria-extension-cloudify/src/aria/extensions/aria_extension_tosca/simple_v1_0/filters.py @@ -0,0 +1,107 @@ +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You 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. + +from aria.utils.caching import cachedmethod +from aria.parser import implements_specification +from aria.parser.presentation import (has_fields, object_sequenced_list_field, field_validator) + +from .misc import ConstraintClause +from .presentation.extensible import ExtensiblePresentation +from .presentation.field_validators import (node_filter_properties_validator, + node_filter_capabilities_validator) + + +@has_fields +class CapabilityFilter(ExtensiblePresentation): + """ + Capability filter. + """ + + @object_sequenced_list_field(ConstraintClause) + def properties(self): + pass + + @cachedmethod + def _get_node_type(self, context): + return self._container._get_node_type(context) + + @cachedmethod + def _get_type_for_name(self, context, name): + node_type = self._get_node_type(context) + if node_type is not None: + capabilities = node_type._get_capabilities(context) + capability = capabilities.get(self._name) + properties = capability.properties if capability is not None else None + prop = properties.get(name) if properties is not None else None + return prop._get_type(context) if prop is not None else None + + return None + + +@has_fields +@implements_specification('3.5.4', 'tosca-simple-1.0') +class NodeFilter(ExtensiblePresentation): + """ + A node filter definition defines criteria for selection of a TOSCA Node Template based upon the + template's property values, capabilities and capability properties. + + See the `TOSCA Simple Profile v1.0 cos01 specification <http://docs.oasis-open.org/tosca + /TOSCA-Simple-Profile-YAML/v1.0/cos01/TOSCA-Simple-Profile-YAML-v1.0-cos01.html + #DEFN_ELEMENT_NODE_FILTER_DEFN>`__ + """ + + @field_validator(node_filter_properties_validator) + @object_sequenced_list_field(ConstraintClause) + @implements_specification('3.5.3', 'tosca-simple-1.0') + def properties(self): + """ + An optional sequenced list of property filters that would be used to select (filter) + matching TOSCA entities (e.g., Node Template, Node Type, Capability Types, etc.) based upon + their property definitions' values. + + See the `TOSCA Simple Profile v1.0 cos01 specification <http://docs.oasis-open.org/tosca + /TOSCA-Simple-Profile-YAML/v1.0/cos01/TOSCA-Simple-Profile-YAML-v1.0-cos01.html + #DEFN_ELEMENT_PROPERTY_FILTER_DEFN>`__ + + :type: list of (str, :class:`ConstraintClause`) + """ + + @field_validator(node_filter_capabilities_validator) + @object_sequenced_list_field(CapabilityFilter) + def capabilities(self): + """ + An optional sequenced list of property filters that would be used to select (filter) + matching TOSCA entities (e.g., Node Template, Node Type, Capability Types, etc.) based upon + their capabilities' property definitions' values. + + :type: list of (str, :class:`CapabilityDefinition`) + """ + + @cachedmethod + def _get_node_type(self, context): + if hasattr(self._container, '_get_node'): + node_type, node_type_variant = self._container._get_node(context) + return node_type if node_type_variant == 'node_type' else None + return None + + @cachedmethod + def _get_type_for_name(self, context, name): + node_type = self._get_node_type(context) + if node_type is not None: + properties = node_type._get_properties(context) + prop = properties.get(name) + return prop._get_type(context) if prop is not None else None + + return None |