1 files changed, 82 insertions, 0 deletions
diff --git a/verigraph/src/it/polito/verigraph/service/GraphService.java b/verigraph/src/it/polito/verigraph/service/GraphService.java
new file mode 100644
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+++ b/verigraph/src/it/polito/verigraph/service/GraphService.java
@@ -0,0 +1,82 @@
+/*******************************************************************************
+ * Copyright (c) 2017 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.service;
+
+import java.io.IOException;
+import java.util.List;
+import javax.xml.bind.JAXBException;
+import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.JsonMappingException;
+import it.polito.neo4j.manager.Neo4jDBManager;
+import it.polito.neo4j.exceptions.MyInvalidIdException;
+import it.polito.neo4j.exceptions.MyNotFoundException;
+import it.polito.verigraph.exception.ForbiddenException;
+import it.polito.verigraph.model.Graph;
+import it.polito.verigraph.model.Node;
+
+public class GraphService {
+
+    private Neo4jDBManager manager= new Neo4jDBManager();
+    public static VerigraphLogger vlogger = VerigraphLogger.getVerigraphlogger();
+
+    public GraphService() {}
+
+    public List<Graph> getAllGraphs() throws JsonProcessingException, MyNotFoundException {
+        List<Graph> result;
+        result=manager.getGraphs();
+        for(Graph g : result){
+            validateGraph(g);
+        }
+        return result;
+    }
+
+    public Graph getGraph(long id) throws JsonParseException, JsonMappingException, JAXBException, IOException {
+        if (id < 0) {
+            throw new ForbiddenException("Illegal graph id: " + id);
+        }
+        Graph localGraph=manager.getGraph(id);
+        validateGraph(localGraph);
+        return localGraph;
+    }
+
+    public Graph updateGraph(Graph graph) throws JAXBException, JsonParseException, JsonMappingException, IOException, MyInvalidIdException {
+        if (graph.getId() < 0) {
+            throw new ForbiddenException("Illegal graph id: " + graph.getId());
+        }
+        validateGraph(graph);
+        Graph localGraph=new Graph();
+        localGraph=manager.updateGraph(graph);
+        vlogger.logger.info("Graph updated");
+        validateGraph(localGraph);
+        return localGraph;
+    }
+
+
+    public void removeGraph(long id) {
+
+        if (id < 0) {
+            throw new ForbiddenException("Illegal graph id: " + id);
+        }
+        manager.deleteGraph(id);
+    }
+
+    public Graph addGraph(Graph graph) throws JAXBException, JsonParseException, JsonMappingException, IOException, MyInvalidIdException {
+        validateGraph(graph);
+        Graph g=manager.addGraph(graph);
+        validateGraph(g);
+        return g;
+    }
+
+    public static void validateGraph(Graph graph) throws JsonProcessingException {
+        for (Node node : graph.getNodes().values()) {
+            NodeService.validateNode(graph, node);
+        }
+    }
+}