1 /* 2 * Grapht, an open source dependency injector. 3 * Copyright 2014-2015 various contributors (see CONTRIBUTORS.txt) 4 * Copyright 2010-2014 Regents of the University of Minnesota 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU Lesser General Public License as 8 * published by the Free Software Foundation; either version 2.1 of the 9 * License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 13 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more 14 * details. 15 * 16 * You should have received a copy of the GNU General Public License along with 17 * this program; if not, write to the Free Software Foundation, Inc., 51 18 * Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 19 */ 20 package org.grouplens.grapht.annotation; 21 22 import java.lang.annotation.*; 23 24 /** 25 * Marks a qualifier annotation as an alias for another qualifier. Useful for deprecating 26 * qualifiers. 27 * <p> 28 * The aliased qualifier (the one bearing this annotation) is treated exactly as the qualifier it 29 * aliases. Aliases are recursive and transitive, and the alias annotations are followed until an 30 * unaliased qualifier is found. Circular alias loops are not allowed. 31 */ 32 @Documented 33 @Retention(RetentionPolicy.RUNTIME) 34 @Target(ElementType.ANNOTATION_TYPE) 35 public @interface AliasFor { 36 /** 37 * Get the target of this alias annotation. 38 * @return The annotation for which the annotated annotation is an alias. 39 */ 40 Class<? extends Annotation> value(); 41 }