001package ball.annotation; 002/*- 003 * ########################################################################## 004 * Utilities 005 * $Id: ConstantValueMustConvertTo.java 5881 2020-05-06 04:14:12Z ball $ 006 * $HeadURL: svn+ssh://svn.hcf.dev/var/spool/scm/repository.svn/ball-util/trunk/src/main/java/ball/annotation/ConstantValueMustConvertTo.java $ 007 * %% 008 * Copyright (C) 2008 - 2020 Allen D. Ball 009 * %% 010 * Licensed under the Apache License, Version 2.0 (the "License"); 011 * you may not use this file except in compliance with the License. 012 * You may obtain a copy of the License at 013 * 014 * http://www.apache.org/licenses/LICENSE-2.0 015 * 016 * Unless required by applicable law or agreed to in writing, software 017 * distributed under the License is distributed on an "AS IS" BASIS, 018 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 019 * See the License for the specific language governing permissions and 020 * limitations under the License. 021 * ########################################################################## 022 */ 023import java.lang.annotation.Documented; 024import java.lang.annotation.Retention; 025import java.lang.annotation.Target; 026 027import static java.lang.annotation.ElementType.FIELD; 028import static java.lang.annotation.ElementType.LOCAL_VARIABLE; 029import static java.lang.annotation.RetentionPolicy.RUNTIME; 030 031/** 032 * Annotation to specify a field constant expression must convert to the 033 * specified type. The test is made at compile time during annotation 034 * processing. 035 * 036 * @see ball.annotation.processing.ConstantValueMustConvertToProcessor 037 * 038 * @author {@link.uri mailto:ball@hcf.dev Allen D. Ball} 039 * @version $Revision: 5881 $ 040 */ 041@Documented 042@Retention(RUNTIME) 043@Target({ FIELD, LOCAL_VARIABLE }) 044public @interface ConstantValueMustConvertTo { 045 Class<?> value(); 046 String method() default ""; 047}