Bug:1253 - Fix NPE in config pusher

[controller.git] / opendaylight / config / config-persister-api / src / main / java / org / opendaylight / controller / config / persist / api / ConfigSnapshotHolder.java

diff --git a/opendaylight/config/config-persister-api/src/main/java/org/opendaylight/controller/config/persist/api/ConfigSnapshotHolder.java b/opendaylight/config/config-persister-api/src/main/java/org/opendaylight/controller/config/persist/api/ConfigSnapshotHolder.java
index 37d29d746e41f82ba63a940976e373b523e5f275..ba13ebb8f051e65d31c5a663daee15b1034d0134 100644 (file)
--- a/opendaylight/config/config-persister-api/src/main/java/org/opendaylight/controller/config/persist/api/ConfigSnapshotHolder.java
+++ b/opendaylight/config/config-persister-api/src/main/java/org/opendaylight/controller/config/persist/api/ConfigSnapshotHolder.java
@@ -1,3 +1,10 @@
+/*
+ * Copyright (c) 2014 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.persist.api;
 
 import java.util.SortedSet;
@@ -5,13 +12,14 @@ import java.util.SortedSet;
 public interface ConfigSnapshotHolder {
 
     /**
-     * Get part of get-config document that contains just
+     * Get XML node that should be pushed to netconf's edit-config
      */
     String getConfigSnapshot();
 
 
     /**
      * Get only required capabilities referenced by the snapshot.
+     * If no value is specified, return empty set instead of null
      */
     SortedSet<String> getCapabilities();