Devices REST API
diff --git a/src/main/java/net/onrc/onos/util/GraphDBConnection.java b/src/main/java/net/onrc/onos/util/GraphDBConnection.java
index 7c1ea2a..a2a8689 100644
--- a/src/main/java/net/onrc/onos/util/GraphDBConnection.java
+++ b/src/main/java/net/onrc/onos/util/GraphDBConnection.java
@@ -24,7 +24,7 @@
/* Static 'instance' method */
public static GraphDBConnection getInstance(String conf) {
- if (graph == null||graph.isOpen()) {
+ if (graph == null||graph.isOpen() == Boolean.FALSE) {
graph = TitanFactory.open(conf);
// FIXME: Creation on Indexes should be done only once
Set<String> s = graph.getIndexedKeys(Vertex.class);