Changeset 5 for src/main/java/geniusweb/profilesserver

Timestamp:

09/24/19 14:13:24 (5 years ago)

Author:

bart

Message:

Fixed performance issue with some computers

File:

• src/main/java/geniusweb/profilesserver/websocket/ProfilesListSocket.java (modified) (2 diffs)

src/main/java/geniusweb/profilesserver/websocket/ProfilesListSocket.java

@@ -45 +45 @@
         private Session session;
         private Listener<ChangeEvent> changeListener;
+        private static transient String hostport = ""; // cache
 
         public ProfilesListSocket() {
@@ -130 +131 @@
         private String getIpAddressAndPort()
                         throws UnknownHostException, MalformedObjectNameException {
+                synchronized (hostport) {
+                        if (hostport.isEmpty()) {
+                                MBeanServer beanServer = ManagementFactory
+                                                .getPlatformMBeanServer();
 
-                MBeanServer beanServer = ManagementFactory.getPlatformMBeanServer();
+                                Set<ObjectName> objectNames = beanServer.queryNames(
+                                                new ObjectName("*:type=Connector,*"),
+                                                Query.match(Query.attr("protocol"),
+                                                                Query.value("HTTP/1.1")));
 
-                Set<ObjectName> objectNames = beanServer.queryNames(
-                                new ObjectName("*:type=Connector,*"),
-                                Query.match(Query.attr("protocol"), Query.value("HTTP/1.1")));
+                                String host = InetAddress.getLocalHost().getHostAddress();
+                                String port = objectNames.iterator().next()
+                                                .getKeyProperty("port");
 
-                String host = InetAddress.getLocalHost().getHostAddress();
-                String port = objectNames.iterator().next().getKeyProperty("port");
-
-                return host + ":" + port;
+                                hostport = host + ":" + port;
+                        }
+                        return hostport;
+                }
 
         }