• Home
• net.jcip
• jcip-annotations
• 1.0
• source code
• Immutable.java

×

Project download

Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $

You can buy this project and download/modify it how often you want.

net.jcip.annotations.Immutable Maven / Gradle / Ivy

package net.jcip.annotations;
import java.lang.annotation.*;

/*
 * Copyright (c) 2005 Brian Goetz and Tim Peierls
 * Released under the Creative Commons Attribution License
 *   (http://creativecommons.org/licenses/by/2.5)
 * Official home: http://www.jcip.net
 *
 * Any republication or derived work distributed in source code form
 * must include this copyright and license notice.
 */


/**
 * The class to which this annotation is applied is immutable.  This means that
 * its state cannot be seen to change by callers, which implies that
 * 

 * 
 all public fields are final, 
 * 
 all public final reference fields refer to other immutable objects, and 
 * 
 constructors and methods do not publish references to any internal state
 *      which is potentially mutable by the implementation. 
 * 
 * Immutable objects may still have internal mutable state for purposes of performance
 * optimization; some state variables may be lazily computed, so long as they are computed
 * from immutable state and that callers cannot tell the difference.
 * 

 * Immutable objects are inherently thread-safe; they may be passed between threads or
 * published without synchronization.
 */
@Documented
@Target(ElementType.TYPE)
@Retention(RetentionPolicy.RUNTIME)
public @interface Immutable {
}