001/*
002 * ModeShape (http://www.modeshape.org)
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *       http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016package org.modeshape.schematic.annotation;
017
018import java.lang.annotation.Documented;
019import java.lang.annotation.ElementType;
020import java.lang.annotation.Retention;
021import java.lang.annotation.RetentionPolicy;
022import java.lang.annotation.Target;
023
024/**
025 * Copyright (c) 2005 Brian Goetz and Tim Peierls.<br />
026 * Released under the Creative Commons Attribution License<br />
027 * (http://creativecommons.org/licenses/by/2.5)<br />
028 * Official home: http://www.jcip.net<br />
029 * Adopted from Java Concurrency in Practice.
030 * <p>
031 * This annotation documents the class as being thread-safe. This means that no sequences of accesses (reads and writes to public
032 * fields, calls to public methods) may put the object into an invalid state, regardless of the interleaving of those actions by
033 * the runtime, and without requiring any additional synchronization or coordination on the part of the caller.
034 * </p>
035 * 
036 * @see NotThreadSafe
037 */
038@Documented
039@Target( ElementType.TYPE )
040@Retention( RetentionPolicy.RUNTIME )
041public @interface ThreadSafe {
042}