1 files changed, 18 insertions, 7 deletions

diff --git a/utils/src/main/java/org/onap/policy/common/utils/network/NetworkUtil.java b/utils/src/main/java/org/onap/policy/common/utils/network/NetworkUtil.java
index a2fb5a8b..6698d7cf 100644
--- a/utils/src/main/java/org/onap/policy/common/utils/network/NetworkUtil.java
+++ b/utils/src/main/java/org/onap/policy/common/utils/network/NetworkUtil.java
@@ -2,7 +2,7 @@
  * ============LICENSE_START=======================================================
  * ONAP
  * ================================================================================
- * Copyright (C) 2017-2020 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2017-2021 AT&T Intellectual Property. 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.
@@ -26,7 +26,10 @@ import java.net.InetSocketAddress;
 import java.net.ServerSocket;
 import java.net.Socket;
 import java.net.UnknownHostException;
+import java.util.UUID;
 import javax.net.ssl.TrustManager;
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
 import org.apache.commons.net.util.TrustManagerUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -34,7 +37,8 @@ import org.slf4j.LoggerFactory;
 /**
  * Network Utilities.
  */
-public class NetworkUtil {
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public final class NetworkUtil {
 
     public static final Logger logger = LoggerFactory.getLogger(NetworkUtil.class.getName());
 
@@ -49,10 +53,6 @@ public class NetworkUtil {
      */
     private static final TrustManager[] ALWAYS_TRUST_MANAGER = { TrustManagerUtils.getAcceptAllTrustManager() };
 
-    private NetworkUtil() {
-        // Empty constructor
-    }
-
     /**
      * Allocates an available port on which a server may listen.
      *
@@ -113,7 +113,7 @@ public class NetworkUtil {
      */
     public static boolean isTcpPortOpen(String host, int port, int retries, long interval)
             throws InterruptedException {
-        int retry = 0;
+        var retry = 0;
         while (retry < retries) {
             /*
              * As with the server socket, this is only used to see if the port is open,
@@ -171,4 +171,15 @@ public class NetworkUtil {
 
         return "127.0.0.1";
     }
+
+    /**
+     * Generates a globally unique name, typically for use in PDP messages, to uniquely
+     * identify a PDP (or PAP), regardless on what cluster it resides.
+     *
+     * @param prefix text to be prepended to the generated value
+     * @return a globally unique name
+     */
+    public static String genUniqueName(String prefix) {
+        return prefix + "-" + UUID.randomUUID();
+    }
 }