tosca-parser support the semantic of substitution mapping

As a template designer,
I want to using node template substitution for model composition or
chaining subsystems.
So firstly tosca-paser should support the substitution mappings
analysis.

Change-Id: I44371795504415ba8cf5a15f7e1d046e3ff00ade
JIRA: PARSER-43
Signed-off-by: shangxdy <shang.xiaodong@zte.com.cn>

1 files changed, 24 insertions, 5 deletions

diff --git a/tosca2heat/tosca-parser/toscaparser/topology_template.py b/tosca2heat/tosca-parser/toscaparser/topology_template.py
index 6cf4f31..70bc7d6 100644
--- a/tosca2heat/tosca-parser/toscaparser/topology_template.py
+++ b/tosca2heat/tosca-parser/toscaparser/topology_template.py
@@ -22,6 +22,7 @@ from toscaparser.parameters import Input
 from toscaparser.parameters import Output
 from toscaparser.policy import Policy
 from toscaparser.relationship_template import RelationshipTemplate
+from toscaparser.substitution_mappings import Substitution_mappings
 from toscaparser.tpl_relationship_graph import ToscaGraph
 from toscaparser.utils.gettextutils import _
 
@@ -41,8 +42,10 @@ class TopologyTemplate(object):
 
     '''Load the template data.'''
     def __init__(self, template, custom_defs,
-                 rel_types=None, parsed_params=None):
+                 rel_types=None, parsed_params=None,
+                 submaped_node_template=None):
         self.tpl = template
+        self.submaped_node_template = submaped_node_template
         if self.tpl:
             self.custom_defs = custom_defs
             self.rel_types = rel_types
@@ -106,7 +109,14 @@ class TopologyTemplate(object):
         return outputs
 
     def _substitution_mappings(self):
-        pass
+        tpl_substitution_mapping = self._tpl_substitution_mappings()
+        if tpl_substitution_mapping and self.submaped_node_template:
+            return Substitution_mappings(tpl_substitution_mapping,
+                                         self.nodetemplates,
+                                         self.inputs,
+                                         self.outputs,
+                                         self.submaped_node_template,
+                                         self.custom_defs)
 
     def _policies(self):
         policies = []
@@ -178,13 +188,16 @@ class TopologyTemplate(object):
     # topology template can act like node template
     # it is exposed by substitution_mappings.
     def nodetype(self):
-        pass
+        return (self.substitution_mappings.node_type
+                if self.substitution_mappings else None)
 
     def capabilities(self):
-        pass
+        return (self.substitution_mappings.capabilities
+                if self.substitution_mappings else None)
 
     def requirements(self):
-        pass
+        return (self.substitution_mappings.requirements
+                if self.substitution_mappings else None)
 
     def _tpl_description(self):
         description = self.tpl.get(DESCRIPTION)
@@ -279,3 +292,9 @@ class TopologyTemplate(object):
             func = functions.get_function(self, self.outputs, output.value)
             if isinstance(func, functions.GetAttribute):
                 output.attrs[output.VALUE] = func
+
+    @classmethod
+    def get_submaped_node_type(cls, topo_tpl):
+        if topo_tpl and isinstance(topo_tpl, dict):
+            submap_tpl = topo_tpl.get(SUBSTITUION_MAPPINGS)
+            return Substitution_mappings.get_node_type(submap_tpl)