--- /dev/null
+/*
+ * Copyright (c) 2013 Cisco Systems, Inc. and others. All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+
+package org.opendaylight.controller.config.facade.xml;
+
+import java.util.Set;
+import javax.management.ObjectName;
+import org.opendaylight.controller.config.util.ConfigRegistryClient;
+
+public interface DatastoreQueryStrategy {
+
+ /**
+ * @param configRegistryClient
+ * @return
+ */
+ Set<ObjectName> queryInstances(ConfigRegistryClient configRegistryClient);
+
+}