001package org.modeshape.common.annotation;
002
003import java.lang.annotation.Documented;
004import java.lang.annotation.ElementType;
005import java.lang.annotation.Retention;
006import java.lang.annotation.RetentionPolicy;
007import java.lang.annotation.Target;
008
009/**
010 * Copyright (c) 2005 Brian Goetz and Tim Peierls.<br />
011 * Released under the Creative Commons Attribution License<br />
012 * (http://creativecommons.org/licenses/by/2.5)<br />
013 * Official home: http://www.jcip.net<br />
014 * Adopted from Java Concurrency in Practice.
015 * <p>
016 * This annotation documents the class as being thread-safe. This means that no sequences of accesses (reads and writes to public
017 * fields, calls to public methods) may put the object into an invalid state, regardless of the interleaving of those actions by
018 * the runtime, and without requiring any additional synchronization or coordination on the part of the caller.
019 * </p>
020 * 
021 * @see NotThreadSafe
022 */
023@Documented
024@Target( ElementType.TYPE )
025@Retention( RetentionPolicy.RUNTIME )
026public @interface ThreadSafe {
027}