update verigraph

JIRA: PARSER-154

code optimizations about graph manipulation and formula generation.

Change-Id: Idebef19b128281aa2bc40d1aeab6e208c7ddd93d
Signed-off-by: serena.spinoso <serena.spinoso@polito.it>

1 files changed, 18 insertions, 0 deletions

diff --git a/verigraph/src/it/polito/neo4j/exceptions/DuplicateNodeException.java b/verigraph/src/it/polito/neo4j/exceptions/DuplicateNodeException.java
new file mode 100644
index 0000000..fd798b6
--- /dev/null
+++ b/verigraph/src/it/polito/neo4j/exceptions/DuplicateNodeException.java
@@ -0,0 +1,18 @@
+/*******************************************************************************
+ * 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.neo4j.exceptions;
+
+public class DuplicateNodeException extends Exception {
+
+    private static final long serialVersionUID = 1L;
+
+    public DuplicateNodeException(String message){
+        super(message);
+    }
+}