1 files changed, 0 insertions, 175 deletions
diff --git a/verigraph/src/main/java/it/polito/escape/verify/database/DatabaseClass.java b/verigraph/src/main/java/it/polito/escape/verify/database/DatabaseClass.java
deleted file mode 100644
index 7837e51..0000000
--- a/verigraph/src/main/java/it/polito/escape/verify/database/DatabaseClass.java
+++ /dev/null
@@ -1,175 +0,0 @@
-/*******************************************************************************
- * 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.escape.verify.database;
-
-import java.io.File;
-import java.io.IOException;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.ConcurrentHashMap;
-
-import com.fasterxml.jackson.core.JsonGenerationException;
-import com.fasterxml.jackson.core.JsonParseException;
-import com.fasterxml.jackson.databind.JsonMappingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.type.TypeFactory;
-
-import it.polito.escape.verify.exception.InternalServerErrorException;
-import it.polito.escape.verify.model.Graph;
-import it.polito.escape.verify.model.Neighbour;
-import it.polito.escape.verify.model.Node;
-import it.polito.escape.verify.service.GraphService;
-
-public class DatabaseClass {
-
-	private static final DatabaseClass				instance	= new DatabaseClass();
-
-	private static ConcurrentHashMap<Long, Graph>	graphs;
-
-	private static String							persistenceFile;
-
-	private static boolean							enablePersistence;
-
-	protected DatabaseClass() {
-		initialize();
-		if (enablePersistence)
-			loadDatabase();
-	}
-
-	private void initialize() {
-		graphs = new ConcurrentHashMap<>();
-		enablePersistence = false;
-		persistenceFile = System.getProperty("catalina.base") + "/webapps/verify/json/" + "database.json";
-	}
-
-	private void loadDatabase() {
-		ObjectMapper mapper = new ObjectMapper();
-
-		List<Graph> parsedGraphs = null;
-		try {
-			File databaseFile = new File(persistenceFile);
-			parsedGraphs = mapper.readValue(databaseFile,
-											TypeFactory.defaultInstance().constructCollectionType(	List.class,
-																									Graph.class));
-		}
-		catch (JsonParseException e) {
-			System.out.println("Database not loaded due to a JsonParseException: " + e.getMessage());
-			return;
-		}
-		catch (JsonMappingException e) {
-			System.out.println("Database not loaded due to a JsonMappingException: " + e.getMessage());
-			return;
-		}
-		catch (IOException e) {
-			//retry changing path
-			persistenceFile = "src/main/webapp/json/" + "database.json";
-
-			try {
-				File databaseFile = new File(persistenceFile);
-				parsedGraphs = mapper.readValue(databaseFile,
-						TypeFactory.defaultInstance().constructCollectionType(	List.class,
-								Graph.class));
-			} catch (JsonParseException e1) {
-				System.out.println("Database not loaded due to a JsonParseException: " + e.getMessage());
-				return;
-			} catch (JsonMappingException e1) {
-				System.out.println("Database not loaded due to a JsonMappingException: " + e.getMessage());
-				return;
-			} catch (IOException e1) {
-				System.out.println("Database not loaded due to an IOException: " + e.getMessage());
-				return;
-			}
-		}
-
-		System.out.println("Loading database...");
-
-		for (Graph graph : parsedGraphs) {
-
-			try {
-				GraphService.validateGraph(graph);
-			}
-			catch (Exception e) {
-				System.out.println("Invalid database file: at least one graph is invalid!");
-				return;
-			}
-
-			graph.setId(getNumberOfGraphs() + 1);
-
-			for (Map.Entry<Long, Node> nodeEntry : graph.getNodes().entrySet()) {
-				nodeEntry.getValue().setId(nodeEntry.getKey());
-
-				for (Map.Entry<Long, Neighbour> neighbourEntry : nodeEntry.getValue().getNeighbours().entrySet()) {
-					neighbourEntry.getValue().setId(neighbourEntry.getKey());
-				}
-			}
-
-			graphs.put(graph.getId(), graph);
-		}
-
-		System.out.println("Database loaded!");
-		System.out.println(graphs.size() + " graphs added");
-	}
-
-	public static DatabaseClass getInstance() {
-		return instance;
-	}
-
-	public ConcurrentHashMap<Long, Graph> getGraphs() {
-		return graphs;
-	}
-
-	public synchronized int getNumberOfGraphs() {
-		return graphs.size();
-	}
-
-	public synchronized int getGraphNumberOfNodes(long graphId) {
-		Graph graph = graphs.get(graphId);
-		if (graph == null)
-			return 0;
-		Map<Long, Node> nodes = graph.getNodes();
-		if (nodes == null)
-			return 0;
-		return nodes.size();
-	}
-
-	public static void persistDatabase() {
-		if (!enablePersistence)
-			return;
-		ObjectMapper mapper = new ObjectMapper();
-
-		try {
-			mapper.writeValue(new File(persistenceFile), graphs);
-		}
-		catch (JsonGenerationException e) {
-			throw new InternalServerErrorException("Unable to persist database due to a JsonGenerationException: "
-													+ e.getMessage());
-		}
-		catch (JsonMappingException e) {
-			throw new InternalServerErrorException("Unable to persist database due to a JsonMappingException: "
-													+ e.getMessage());
-		}
-		catch (IOException e) {
-			//retry changing path
-			persistenceFile = "src/main/webapp/json/" + "database.json";
-			try {
-				mapper.writeValue(new File(persistenceFile), graphs);
-			} catch (JsonGenerationException e1) {
-				throw new InternalServerErrorException("Unable to persist database due to a JsonGenerationException: "
-						+ e.getMessage());
-			} catch (JsonMappingException e1) {
-				throw new InternalServerErrorException("Unable to persist database due to a JsonGenerationException: "
-						+ e.getMessage());
-			} catch (IOException e1) {
-				throw new InternalServerErrorException("Unable to persist database due to an IOException: "
-						+ e.getMessage());
-			}
-		}
-	}
-}