From d43164830403245353080f5d6f838ed9f56d9a35 Mon Sep 17 00:00:00 2001
From: Andrew Branson <andrew.branson@cern.ch>
Date: Mon, 18 Nov 2013 09:48:03 +0100
Subject: 3.0-SNAPSHOT (Will be first open source version) New StateMachine
 desc IssueID #28

---
 src/main/java/com/c2kernel/graph/model/GraphableVertex.java | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'src/main/java/com/c2kernel/graph/model/GraphableVertex.java')

diff --git a/src/main/java/com/c2kernel/graph/model/GraphableVertex.java b/src/main/java/com/c2kernel/graph/model/GraphableVertex.java
index 7c9adef..b0b74fd 100644
--- a/src/main/java/com/c2kernel/graph/model/GraphableVertex.java
+++ b/src/main/java/com/c2kernel/graph/model/GraphableVertex.java
@@ -5,6 +5,7 @@ package com.c2kernel.graph.model;
 */
 
 
+import com.c2kernel.common.InvalidDataException;
 import com.c2kernel.utils.CastorHashMap;
 import com.c2kernel.utils.KeyValuePair;
 public abstract class GraphableVertex extends Vertex
@@ -25,6 +26,15 @@ public abstract class GraphableVertex extends Vertex
 	{
 		return mProperties;
 	}
+	protected Integer getVersionNumberProperty(String propName) throws InvalidDataException {
+		Object val = getProperties().get(propName);
+		if (val == null || val.equals("") || val.toString().equals("-1")) return null;
+		try {
+			return new Integer(val.toString());
+		} catch (NumberFormatException ex) {
+			throw new InvalidDataException("Invalid version number for property '"+propName+"': "+val.toString(), "");
+		}
+	}
 	public KeyValuePair[] getKeyValuePairs()
 	{
 		return mProperties.getKeyValuePairs();
-- 
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