diff options
Diffstat (limited to 'plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/util/concurrent/NonBlockingIntCounter.java')
-rw-r--r-- | plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/util/concurrent/NonBlockingIntCounter.java | 134 |
1 files changed, 67 insertions, 67 deletions
diff --git a/plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/util/concurrent/NonBlockingIntCounter.java b/plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/util/concurrent/NonBlockingIntCounter.java index f3048c5864..ea22fa8895 100644 --- a/plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/util/concurrent/NonBlockingIntCounter.java +++ b/plugins/org.eclipse.net4j.util/src/org/eclipse/net4j/util/concurrent/NonBlockingIntCounter.java @@ -1,67 +1,67 @@ -/*
- * Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * Eike Stepper - initial API and implementation
- */
-package org.eclipse.net4j.util.concurrent;
-
-import java.util.concurrent.atomic.AtomicInteger;
-
-/**
- * @author Eike Stepper
- */
-public final class NonBlockingIntCounter
-{
- private AtomicInteger value;
-
- public NonBlockingIntCounter()
- {
- this(0);
- }
-
- public NonBlockingIntCounter(int initialValue)
- {
- value = new AtomicInteger(initialValue);
- }
-
- public int getValue()
- {
- return value.get();
- }
-
- public int increment()
- {
- int v;
- do
- {
- v = value.get();
- } while (!value.compareAndSet(v, v + 1));
-
- return v + 1;
- }
-
- /**
- * @since 3.0
- */
- public int decrement()
- {
- int v;
- do
- {
- v = value.get();
- } while (!value.compareAndSet(v, v - 1));
-
- return v - 1;
- }
-
- @Override
- public String toString()
- {
- return Long.toString(getValue());
- }
-}
+/* + * Copyright (c) 2004 - 2012 Eike Stepper (Berlin, Germany) and others. + * All rights reserved. This program and the accompanying materials + * are made available under the terms of the Eclipse Public License v1.0 + * which accompanies this distribution, and is available at + * http://www.eclipse.org/legal/epl-v10.html + * + * Contributors: + * Eike Stepper - initial API and implementation + */ +package org.eclipse.net4j.util.concurrent; + +import java.util.concurrent.atomic.AtomicInteger; + +/** + * @author Eike Stepper + */ +public final class NonBlockingIntCounter +{ + private AtomicInteger value; + + public NonBlockingIntCounter() + { + this(0); + } + + public NonBlockingIntCounter(int initialValue) + { + value = new AtomicInteger(initialValue); + } + + public int getValue() + { + return value.get(); + } + + public int increment() + { + int v; + do + { + v = value.get(); + } while (!value.compareAndSet(v, v + 1)); + + return v + 1; + } + + /** + * @since 3.0 + */ + public int decrement() + { + int v; + do + { + v = value.get(); + } while (!value.compareAndSet(v, v - 1)); + + return v - 1; + } + + @Override + public String toString() + { + return Long.toString(getValue()); + } +} |