1 files changed, 78 insertions, 0 deletions
diff --git a/nfvparser/toscaparser/relationship_template.py b/nfvparser/toscaparser/relationship_template.py
new file mode 100644
index 0000000..db334c4
--- /dev/null
+++ b/nfvparser/toscaparser/relationship_template.py
@@ -0,0 +1,78 @@
+#    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.
+
+
+import logging
+
+from toscaparser.entity_template import EntityTemplate
+from toscaparser.properties import Property
+
+SECTIONS = (DERIVED_FROM, PROPERTIES, REQUIREMENTS,
+            INTERFACES, CAPABILITIES, TYPE) = \
+           ('derived_from', 'properties', 'requirements', 'interfaces',
+            'capabilities', 'type')
+
+log = logging.getLogger('tosca')
+
+
+class RelationshipTemplate(EntityTemplate):
+    '''Relationship template.'''
+    def __init__(self, relationship_template, name, custom_def=None,
+                 target=None, source=None):
+        super(RelationshipTemplate, self).__init__(name,
+                                                   relationship_template,
+                                                   'relationship_type',
+                                                   custom_def)
+        self.name = name.lower()
+        self.target = target
+        self.source = source
+
+    def get_properties_objects(self):
+        '''Return properties objects for this template.'''
+        if self._properties is None:
+            self._properties = self._create_relationship_properties()
+        return self._properties
+
+    def _create_relationship_properties(self):
+        props = []
+        properties = {}
+        relationship = self.entity_tpl.get('relationship')
+
+        if not relationship:
+            for value in self.entity_tpl.values():
+                if isinstance(value, dict):
+                    relationship = value.get('relationship')
+                    break
+
+        if relationship:
+            properties = self.type_definition.get_value(self.PROPERTIES,
+                                                        relationship) or {}
+        if not properties:
+            properties = self.entity_tpl.get(self.PROPERTIES) or {}
+
+        if properties:
+            for name, value in properties.items():
+                props_def = self.type_definition.get_properties_def()
+                if props_def and name in props_def:
+                    if name in properties.keys():
+                        value = properties.get(name)
+                    prop = Property(name, value,
+                                    props_def[name].schema, self.custom_def)
+                    props.append(prop)
+        for p in self.type_definition.get_properties_def_objects():
+            if p.default is not None and p.name not in properties.keys():
+                prop = Property(p.name, p.default, p.schema, self.custom_def)
+                props.append(prop)
+        return props
+
+    def validate(self):
+        self._validate_properties(self.entity_tpl, self.type_definition)