Random simplification in nodes check

1 files changed, 4 insertions, 12 deletions

diff --git a/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/provisioning/Activator.java b/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/provisioning/Activator.java
index 9bf7d928138..2ebc2350542 100644
--- a/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/provisioning/Activator.java
+++ b/node-repository/src/main/java/com/yahoo/vespa/hosted/provision/provisioning/Activator.java
@@ -20,7 +20,6 @@ import com.yahoo.vespa.hosted.provision.node.Allocation;
 import java.time.Instant;
 import java.util.ArrayList;
 import java.util.Collection;
-import java.util.HashSet;
 import java.util.List;
 import java.util.Map;
 import java.util.Optional;
@@ -77,11 +76,11 @@ class Activator {
         NodeList oldActive = applicationNodes.state(Node.State.active); // All nodes active now
         NodeList continuedActive = oldActive.matching(node -> hostnames.contains(node.hostname()));
         NodeList newActive = withHostInfo(continuedActive, hosts, activationTime).and(reserved); // All nodes that will be active when this is committed
-        if ( ! containsAll(hostnames, newActive))
+        if ( ! newActive.hostnames().containsAll(hostnames))
             throw new RuntimeException("Activation of " + application + " failed, could not find all requested hosts." +
-                                               "\nRequested: " + hosts +
-                                               "\nReserved: " + reserved.hostnames() +
-                                               "\nActive: " + oldActive.hostnames());
+                                       "\nRequested: " + hosts +
+                                       "\nReserved: " + reserved.hostnames() +
+                                       "\nActive: " + oldActive.hostnames());
 
         validateParentHosts(application, allNodes, reserved);
 
@@ -195,13 +194,6 @@ class Activator {
         }
     }
 
-    private boolean containsAll(Set<String> hosts, NodeList nodes) {
-        Set<String> notFoundHosts = new HashSet<>(hosts);
-        for (Node node : nodes)
-            notFoundHosts.remove(node.hostname());
-        return notFoundHosts.isEmpty();
-    }
-
     /** Returns the input nodes with the changes resulting from applying the settings in hosts to the given list of nodes. */
     private NodeList withHostInfo(NodeList nodes, Collection<HostSpec> hosts, Instant at) {
         List<Node> updated = new ArrayList<>();