From fcda9807cfa6a89d691877126b406c5d3909d9b9 Mon Sep 17 00:00:00 2001
From: "serena.spinoso" <serena.spinoso@polito.it>
Date: Thu, 26 Apr 2018 14:19:16 +0200
Subject: Support TOSCA in verigraph (gRPC service)

JIRA: PARSER-179

Add TOSCA service description in gRPC server.
Add a TOSCA-based client to use the new functionality.
Add a JUnit class for testing gRPC service with TOSCA descriptor

Change-Id: Id3217a674f076714cd48e3b7e4236e7445d89cd2
Signed-off-by: serena.spinoso <serena.spinoso@polito.it>
---
 .../tosca/converter/grpc/GraphToGrpc.java          | 101 +++++++++++++++++++++
 1 file changed, 101 insertions(+)
 create mode 100644 verigraph/src/it/polito/verigraph/tosca/converter/grpc/GraphToGrpc.java

(limited to 'verigraph/src/it/polito/verigraph/tosca/converter/grpc/GraphToGrpc.java')

diff --git a/verigraph/src/it/polito/verigraph/tosca/converter/grpc/GraphToGrpc.java b/verigraph/src/it/polito/verigraph/tosca/converter/grpc/GraphToGrpc.java
new file mode 100644
index 0000000..fb52c7b
--- /dev/null
+++ b/verigraph/src/it/polito/verigraph/tosca/converter/grpc/GraphToGrpc.java
@@ -0,0 +1,101 @@
+/*******************************************************************************
+ * Copyright (c) 2018 Politecnico di Torino and others.
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Apache License, Version 2.0
+ * which accompanies this distribution, and is available at
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *******************************************************************************/
+package it.polito.verigraph.tosca.converter.grpc;
+
+import java.util.Map;
+
+import it.polito.verigraph.grpc.NodeTemplateGrpc;
+import it.polito.verigraph.grpc.RelationshipTemplateGrpc;
+import it.polito.verigraph.grpc.TopologyTemplateGrpc;
+import it.polito.verigraph.grpc.ToscaConfigurationGrpc;
+import it.polito.verigraph.grpc.ToscaTestGrpc;
+import it.polito.verigraph.grpc.ToscaVerificationGrpc;
+import it.polito.verigraph.model.Configuration;
+import it.polito.verigraph.model.Graph;
+import it.polito.verigraph.model.Neighbour;
+import it.polito.verigraph.model.Node;
+import it.polito.verigraph.model.Test;
+import it.polito.verigraph.model.Verification;
+
+public class GraphToGrpc {
+
+    /** Mapping method --> from model Graph to grpc TopologyTemplate */
+    public static TopologyTemplateGrpc obtainTopologyTemplate(Graph graph) {
+        TopologyTemplateGrpc.Builder topol = TopologyTemplateGrpc.newBuilder();
+        topol.setId(String.valueOf(graph.getId()));
+
+        //NodeTemplate
+        for(Node node : graph.getNodes().values()) {
+            NodeTemplateGrpc nt = obtainNodeTemplate(node);
+            topol.addNodeTemplate(nt);
+            //RelationshipTemplate
+            Map<Long,Neighbour> neighMap = node.getNeighbours();
+            for (Map.Entry<Long, Neighbour> myentry : neighMap.entrySet()) {
+                Neighbour neigh = myentry.getValue();
+                RelationshipTemplateGrpc relat = obtainRelationshipTemplate(neigh, node);
+                topol.addRelationshipTemplate(relat);
+            }
+        }
+        return topol.build();
+    }
+
+
+    /** Mapping method --> from model Node to grpc NodeTemplate */
+    private static NodeTemplateGrpc obtainNodeTemplate(Node node){
+        NodeTemplateGrpc.Builder nodegrpc = NodeTemplateGrpc.newBuilder();
+
+        nodegrpc.setId(String.valueOf(node.getId()));
+        nodegrpc.setName(node.getName());
+        nodegrpc.setType(NodeTemplateGrpc.Type.valueOf(node.getFunctional_type().toLowerCase()));
+
+        ToscaConfigurationGrpc config = obtainToscaConfiguration(node.getConfiguration());
+        nodegrpc.setConfiguration(config);
+
+        return nodegrpc.build();
+    }
+
+
+    /** Mapping method --> from model Neighbour to grpc RelationshipTemplate */
+    private static RelationshipTemplateGrpc obtainRelationshipTemplate(Neighbour neigh, Node sourceNode) {
+        RelationshipTemplateGrpc.Builder relat = RelationshipTemplateGrpc.newBuilder();
+        relat.setId(String.valueOf(sourceNode.getId()));
+        //Neighbour does not have a neighbourID! RelationshipTemplate does, so it is set to sourceNodeID
+        relat.setIdSourceNodeTemplate(String.valueOf(sourceNode.getId()));
+        relat.setIdTargetNodeTemplate(String.valueOf(neigh.getId()));
+        relat.setName(sourceNode.getName()+"to"+neigh.getName());
+        return relat.build();
+    }
+
+
+    /** Mapping method --> from model Configuration to grpc ToscaConfigurationGrpc */
+    private static ToscaConfigurationGrpc obtainToscaConfiguration(Configuration conf) {
+        return ToscaConfigurationGrpc.newBuilder()
+                .setId(conf.getId())
+                .setDescription(conf.getDescription())
+                .setConfiguration(conf.getConfiguration().toString())
+                .build();
+    }
+
+    /** Mapping method --> from model Verification to grpc ToscaVerificationGrpc */
+    public static ToscaVerificationGrpc obtainToscaVerification(Verification verify){
+        ToscaVerificationGrpc.Builder ver = ToscaVerificationGrpc.newBuilder();
+        ver.setComment(verify.getComment());
+        ver.setResult(verify.getResult());
+        for(Test test:verify.getTests()){
+            ToscaTestGrpc.Builder tst = ToscaTestGrpc.newBuilder().setResult(test.getResult());
+            for(Node node:test.getPath()){
+                NodeTemplateGrpc nodetempl = obtainNodeTemplate(node);
+                tst.addNodeTemplate(nodetempl);
+            }
+            ver.addTest(tst);
+        }
+        return ver.build();
+    }
+
+}
-- 
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