roles to become unmodifiableSet

2016-03-24 15:11:51 +01:00 · 2016-03-24 15:11:51 +01:00 · df2923ced4
parent cd05cf91f0
commit df2923ced4
1 changed files with 1 additions and 1 deletions
--- a/core/src/main/java/org/elasticsearch/cluster/node/DiscoveryNode.java
+++ b/core/src/main/java/org/elasticsearch/cluster/node/DiscoveryNode.java
@ -234,7 +234,7 @@ public class DiscoveryNode implements Writeable<DiscoveryNode>, ToXContent {
                roles.add(role);
            }
        }
-        return roles;
+        return Collections.unmodifiableSet(roles);
    }

    /**