X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-binding-api%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fsal%2Fbinding%2Fapi%2Fdata%2FDataBrokerService.java;h=aa846ff78db2dd4a71ea77087978c559879ec654;hb=fd517d730dc4e0a46e4efd7e39b5eaa2181c18ca;hp=50ee7407189c9fd3ca26c31382dbf261825f05ae;hpb=a251833f27fd00040904e2df316cd707c8129d1e;p=controller.git

diff --git a/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/sal/binding/api/data/DataBrokerService.java b/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/sal/binding/api/data/DataBrokerService.java
index 50ee740718..aa846ff78d 100644
--- a/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/sal/binding/api/data/DataBrokerService.java
+++ b/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/sal/binding/api/data/DataBrokerService.java
@@ -14,6 +14,7 @@ import org.opendaylight.controller.md.sal.common.api.data.DataModificationTransa
 import org.opendaylight.controller.md.sal.common.api.data.DataReader;
 import org.opendaylight.controller.sal.binding.api.BindingAwareService;
 import org.opendaylight.controller.sal.common.DataStoreIdentifier;
+import org.opendaylight.yangtools.concepts.ListenerRegistration;
 import org.opendaylight.yangtools.yang.binding.DataObject;
 import org.opendaylight.yangtools.yang.binding.DataRoot;
 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
@@ -165,4 +166,31 @@ public interface DataBrokerService extends //
     @Deprecated
     public void unregisterChangeListener(InstanceIdentifier<? extends DataObject> path, DataChangeListener changeListener);
 
+    /**
+     * Reads data subtree from configurational store. 
+     * (Store which is populated by consumer, which is usually used to 
+     * inject state into providers. E.g. Flow configuration)-
+     * 
+     */
+    @Override
+    public DataObject readConfigurationData(InstanceIdentifier<? extends DataObject> path);
+    
+    /**
+     * Reads data subtree from operational store. 
+     * (Store which is populated by providers, which is usually used to 
+     * capture state of providers. E.g. Topology)
+     * 
+     */
+    @Override
+    public DataObject readOperationalData(InstanceIdentifier<? extends DataObject> path);
+    
+    /**
+     * Register a data change listener for particular subtree. 
+     * 
+     * Callback is invoked each time data in subtree changes.
+     * 
+     */
+    @Override
+    public ListenerRegistration<DataChangeListener> registerDataChangeListener(
+            InstanceIdentifier<? extends DataObject> path, DataChangeListener listener);
 }