Remove unused code from ClusterListener

fixes #102

changelog.html

@@ -46,6 +46,7 @@ <h1>
 
 <p><b>3.0.1</b> -- (To be determined)</p>
 <ul>
+    <li>[<a href='https://github.com/igniterealtime/openfire-hazelcast-plugin/issues/102'>Issue #102</a>] - Remove unused code in ClusterListener</li>
 </ul>
 
 <p><b>3.0.0</b> -- September 12, 2024</p>

plugin.xml

@@ -6,7 +6,7 @@
     <description>${project.description}</description>
     <author>Ignite Realtime</author>
     <version>${project.version}</version>
-    <date>2024-09-12</date>
+    <date>2024-11-02</date>
     <minServerVersion>4.8.1</minServerVersion>
     <minJavaVersion>1.8</minJavaVersion>
 </plugin>

src/java/org/jivesoftware/openfire/plugin/util/cache/ClusterListener.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1999-2009 Jive Software. All rights reserved.
+ * Copyright (C) 1999-2009 Jive Software, 2024 Ignite Realtime Foundation. All rights reserved.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,7 +16,6 @@
 package org.jivesoftware.openfire.plugin.util.cache;
 
 import com.hazelcast.cluster.Cluster;
-import com.hazelcast.core.EntryListener;
 import com.hazelcast.core.LifecycleEvent;
 import com.hazelcast.core.LifecycleEvent.LifecycleState;
 import com.hazelcast.core.LifecycleListener;
@@ -29,16 +28,13 @@
 import org.jivesoftware.openfire.cluster.NodeID;
 import org.jivesoftware.openfire.muc.cluster.NewClusterMemberJoinedTask;
 import org.jivesoftware.openfire.plugin.util.cluster.HazelcastClusterNodeInfo;
-import org.jivesoftware.util.cache.Cache;
 import org.jivesoftware.util.cache.CacheFactory;
-import org.jivesoftware.util.cache.CacheWrapper;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import java.time.Duration;
 import java.time.LocalTime;
 import java.util.ArrayList;
-import java.util.HashMap;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
@@ -54,8 +50,6 @@ public class ClusterListener implements MembershipListener, LifecycleListener {
 
     private boolean seniorClusterMember = false;
 
-    private final Map<Cache<?,?>, EntryListener> entryListeners = new HashMap<>();
-
     private final Cluster cluster;
     private final Map<NodeID, ClusterNodeInfo> clusterNodesInfo = new ConcurrentHashMap<>();
 
@@ -80,17 +74,6 @@ public class ClusterListener implements MembershipListener, LifecycleListener {
         }
     }
 
-    private void addEntryListener(final Cache<?, ?> cache, final EntryListener listener) {
-        if (cache instanceof CacheWrapper) {
-            final Cache wrapped = ((CacheWrapper)cache).getWrappedCache();
-            if (wrapped instanceof ClusteredCache) {
-                ((ClusteredCache)wrapped).addEntryListener(listener);
-                // Keep track of the listener that we added to the cache
-                entryListeners.put(cache, listener);
-            }
-        }
-    }
-
     @SuppressWarnings("unchecked")
     private boolean isDone() {
         return done;