Make methods static

[controller.git] / opendaylight / md-sal / sal-distributed-datastore / src / main / java / org / opendaylight / controller / cluster / datastore / entityownership / EntityOwnershipStatistics.java

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/entityownership/EntityOwnershipStatistics.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/entityownership/EntityOwnershipStatistics.java
index 3ea4362ac9b2a08190ea368a7e6b4e24c55cafbd..02bd00bfb1e43a7dfcd01c7fb98f85f64529f387 100644 (file)
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/entityownership/EntityOwnershipStatistics.java
+++ b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/entityownership/EntityOwnershipStatistics.java
@@ -65,7 +65,10 @@ class EntityOwnershipStatistics extends AbstractEntityOwnerChangeListener {
     }
 
     Map<String, Long> byEntityType(String entityType){
-        return statistics.get(entityType).readOnlySnapshot();
+        if(statistics.get(entityType) != null) {
+            return statistics.get(entityType).readOnlySnapshot();
+        }
+        return new HashMap<>();
     }
 
     private void updateStatistics(String entityType, String candidateName, long count){