Cleanup imports/whitespace in MD-SAL

[controller.git] / opendaylight / md-sal / sal-common-api / src / main / java / org / opendaylight / controller / md / sal / common / api / data / DataChangeEvent.java

diff --git a/opendaylight/md-sal/sal-common-api/src/main/java/org/opendaylight/controller/md/sal/common/api/data/DataChangeEvent.java b/opendaylight/md-sal/sal-common-api/src/main/java/org/opendaylight/controller/md/sal/common/api/data/DataChangeEvent.java
index 144a81b2566f549c56e7cbb00bb0e9567db644f2..d62e176e62d1beeb22c934f7c82aa3a713909b91 100644 (file)
--- a/opendaylight/md-sal/sal-common-api/src/main/java/org/opendaylight/controller/md/sal/common/api/data/DataChangeEvent.java
+++ b/opendaylight/md-sal/sal-common-api/src/main/java/org/opendaylight/controller/md/sal/common/api/data/DataChangeEvent.java
@@ -11,15 +11,31 @@ import org.opendaylight.yangtools.concepts.Immutable;
 
 public interface DataChangeEvent<P,D> extends DataChange<P, D>, Immutable {
 
+    /**
+     * Returns a orignal subtree of data, which starts at the path
+     * where listener was registered.
+     * 
+     */
+    D getOriginalConfigurationSubtree();
+
     /**
      * Returns a new subtree of data, which starts at the path
      * where listener was registered.
      * 
      */
+    D getOriginalOperationalSubtree();
+    
+    
+    
+    /**
+     * Returns a updated subtree of data, which starts at the path
+     * where listener was registered.
+     * 
+     */
     D getUpdatedConfigurationSubtree();
 
     /**
-     * Returns a new subtree of data, which starts at the path
+     * Returns a udpated subtree of data, which starts at the path
      * where listener was registered.
      * 
      */