1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/share/jaxws_classes/com/sun/istack/internal/Interned.java Tue Mar 06 16:09:35 2012 -0800 1.3 @@ -0,0 +1,55 @@ 1.4 +/* 1.5 + * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved. 1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 1.7 + * 1.8 + * This code is free software; you can redistribute it and/or modify it 1.9 + * under the terms of the GNU General Public License version 2 only, as 1.10 + * published by the Free Software Foundation. Oracle designates this 1.11 + * particular file as subject to the "Classpath" exception as provided 1.12 + * by Oracle in the LICENSE file that accompanied this code. 1.13 + * 1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT 1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1.16 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1.17 + * version 2 for more details (a copy is included in the LICENSE file that 1.18 + * accompanied this code). 1.19 + * 1.20 + * You should have received a copy of the GNU General Public License version 1.21 + * 2 along with this work; if not, write to the Free Software Foundation, 1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 1.23 + * 1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.25 + * or visit www.oracle.com if you need additional information or have any 1.26 + * questions. 1.27 + */ 1.28 + 1.29 +package com.sun.istack.internal; 1.30 + 1.31 +import java.lang.annotation.Documented; 1.32 +import java.lang.annotation.Retention; 1.33 +import java.lang.annotation.RetentionPolicy; 1.34 +import java.lang.annotation.Target; 1.35 +import java.lang.annotation.ElementType; 1.36 + 1.37 +/** 1.38 + * Designates that a field, return value, argument, or a variable is supposed 1.39 + * to be an {@link String#intern() interned} string. 1.40 + * 1.41 + * <p> 1.42 + * In many places in the istack, we assume Strings to be interned for 1.43 + * the performance reason. Similarly, In many other places, we don't 1.44 + * make such an assumption for the performance reason (because intern 1.45 + * isn't free.) 1.46 + * 1.47 + * <p> 1.48 + * Therefore, distinguishing which part is supposed to be interned and 1.49 + * which part is supposed to be not is important. This annotation 1.50 + * allows us to capture that in the code. 1.51 + * 1.52 + * @author Kohsuke Kawaguchi 1.53 + */ 1.54 +@Documented 1.55 +@Retention(RetentionPolicy.CLASS) 1.56 +@Target({ElementType.FIELD,ElementType.METHOD,ElementType.PARAMETER,ElementType.LOCAL_VARIABLE}) 1.57 +public @interface Interned { 1.58 +}