2 // ========================================================================
3 // Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
4 // ------------------------------------------------------------------------
5 // All rights reserved. This program and the accompanying materials
6 // are made available under the terms of the Eclipse Public License v1.0
7 // and Apache License v2.0 which accompanies this distribution.
9 // The Eclipse Public License is available at
10 // http://www.eclipse.org/legal/epl-v10.html
12 // The Apache License v2.0 is available at
13 // http://www.opensource.org/licenses/apache2.0.php
15 // You may elect to redistribute this code under either of these licenses.
16 // ========================================================================
19 package org.eclipse.jetty.util;
21 import java.util.concurrent.atomic.AtomicInteger;
22 import java.util.concurrent.atomic.AtomicLong;
30 public static void updateMin(AtomicLong currentMin, long newValue)
32 long oldValue = currentMin.get();
33 while (newValue < oldValue)
35 if (currentMin.compareAndSet(oldValue, newValue))
37 oldValue = currentMin.get();
41 public static void updateMax(AtomicLong currentMax, long newValue)
43 long oldValue = currentMax.get();
44 while (newValue > oldValue)
46 if (currentMax.compareAndSet(oldValue, newValue))
48 oldValue = currentMax.get();
52 public static void updateMin(AtomicInteger currentMin, int newValue)
54 int oldValue = currentMin.get();
55 while (newValue < oldValue)
57 if (currentMin.compareAndSet(oldValue, newValue))
59 oldValue = currentMin.get();
63 public static void updateMax(AtomicInteger currentMax, int newValue)
65 int oldValue = currentMax.get();
66 while (newValue > oldValue)
68 if (currentMax.compareAndSet(oldValue, newValue))
70 oldValue = currentMax.get();