Use a more specific constant instead of Integer.MAX_VALUE

Author: DaveCTurner

server/src/test/java/org/elasticsearch/cluster/coordination/Zen1IT.java

@@ -51,6 +51,7 @@
 import static org.elasticsearch.cluster.routing.allocation.decider.EnableAllocationDecider.CLUSTER_ROUTING_ALLOCATION_ENABLE_SETTING;
 import static org.elasticsearch.cluster.routing.allocation.decider.FilterAllocationDecider.CLUSTER_ROUTING_EXCLUDE_GROUP_SETTING;
 import static org.elasticsearch.node.Node.NODE_NAME_SETTING;
+import static org.elasticsearch.test.InternalTestCluster.REMOVED_MINIMUM_MASTER_NODES;
 import static org.hamcrest.Matchers.equalTo;
 import static org.hamcrest.Matchers.is;
 
@@ -196,7 +197,7 @@ public Settings onNodeStopped(String nodeName) {
                 ClusterHealthResponse clusterHealthResponse = clusterHealthRequestBuilder.get();
                 assertFalse(nodeName, clusterHealthResponse.isTimedOut());
                 return Coordinator.addZen1Attribute(false, Settings.builder().put(ZEN2_SETTINGS)
-                    .put(ElectMasterService.DISCOVERY_ZEN_MINIMUM_MASTER_NODES_SETTING.getKey(), Integer.MAX_VALUE)).build();
+                    .put(ElectMasterService.DISCOVERY_ZEN_MINIMUM_MASTER_NODES_SETTING.getKey(), REMOVED_MINIMUM_MASTER_NODES)).build();
             }
         });
 
@@ -291,7 +292,7 @@ public Settings onNodeStopped(String nodeName) throws Exception {
                 return Coordinator.addZen1Attribute(false, Settings.builder())
                     .put(ZEN2_SETTINGS)
                     .putList(INITIAL_MASTER_NODES_SETTING.getKey(), nodeNames)
-                    .put(ElectMasterService.DISCOVERY_ZEN_MINIMUM_MASTER_NODES_SETTING.getKey(), Integer.MAX_VALUE)
+                    .put(ElectMasterService.DISCOVERY_ZEN_MINIMUM_MASTER_NODES_SETTING.getKey(), REMOVED_MINIMUM_MASTER_NODES)
                     .build();
             }
         });

test/framework/src/main/java/org/elasticsearch/test/InternalTestCluster.java

@@ -835,6 +835,8 @@ public synchronized void close() {
         }
     }
 
+    public static final int REMOVED_MINIMUM_MASTER_NODES = Integer.MAX_VALUE;
+
     private final class NodeAndClient implements Closeable {
         private MockNode node;
         private final Settings originalNodeSettings;
@@ -989,10 +991,10 @@ private void recreateNode(final Settings newSettings, final Runnable onTransport
             } else {
                 if (DISCOVERY_ZEN_MINIMUM_MASTER_NODES_SETTING.exists(finalSettings)) {
                     // simulating an upgrade from Zen1 to Zen2, but there's no way to remove a setting when restarting a node, so
-                    // you have to set it to Integer.MAX_VALUE to indicate its removal:
+                    // you have to set it to REMOVED_MINIMUM_MASTER_NODES (== Integer.MAX_VALUE) to indicate its removal:
                     assertTrue(USE_ZEN2.exists(finalSettings));
                     assertTrue(USE_ZEN2.get(finalSettings));
-                    assertThat(DISCOVERY_ZEN_MINIMUM_MASTER_NODES_SETTING.get(finalSettings), equalTo(Integer.MAX_VALUE));
+                    assertThat(DISCOVERY_ZEN_MINIMUM_MASTER_NODES_SETTING.get(finalSettings), equalTo(REMOVED_MINIMUM_MASTER_NODES));
 
                     final Builder builder = Settings.builder().put(finalSettings);
                     builder.remove(DISCOVERY_ZEN_MINIMUM_MASTER_NODES_SETTING.getKey());