Add getAll to DatabaseService

Change-Id: I5fb9d52244b005dfc22e7faaa68341be3c3f3725
diff --git a/core/store/dist/src/main/java/org/onlab/onos/store/service/impl/DatabaseManager.java b/core/store/dist/src/main/java/org/onlab/onos/store/service/impl/DatabaseManager.java
index ad1ef853..d84df22 100644
--- a/core/store/dist/src/main/java/org/onlab/onos/store/service/impl/DatabaseManager.java
+++ b/core/store/dist/src/main/java/org/onlab/onos/store/service/impl/DatabaseManager.java
@@ -226,6 +226,12 @@
     }
 
     @Override
+    public Map<String, VersionedValue> getAll(String tableName) {
+        return client.getAll(tableName);
+    }
+
+
+    @Override
     public BatchReadResult batchRead(BatchReadRequest batchRequest) {
         return new BatchReadResult(client.batchRead(batchRequest));
     }