Clustering now works when using HSQLDB as an external DB.

git-svn-id: http://svn.igniterealtime.org/svn/repos/openfire/trunk@9355 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/database/DbConnectionManager.java

@@ -793,6 +793,10 @@ public class DbConnectionManager {
         return batchUpdatesSupported;
     }
 
+    public static boolean isEmbeddedDB() {
+        return connectionProvider != null && connectionProvider instanceof EmbeddedConnectionProvider;
+    }
+
     /**
      * A class that identifies the type of the database that Jive is connected
      * to. In most cases, we don't want to make any database specific calls

src/web/system-clustering.jsp

@@ -63,7 +63,7 @@
         }
     }
 
-    boolean usingEmbeddedDB = DbConnectionManager.getDatabaseType() == DbConnectionManager.DatabaseType.hsqldb;
+    boolean usingEmbeddedDB = DbConnectionManager.isEmbeddedDB();
     boolean clusteringAvailable = !usingEmbeddedDB && ClusterManager.isClusteringAvailable();
     boolean clusteringStarting = ClusterManager.isClusteringStarting();
     int maxClusterNodes = ClusterManager.getMaxClusterNodes();