001package ball.annotation; 002/*- 003 * ########################################################################## 004 * Utilities 005 * %% 006 * Copyright (C) 2008 - 2022 Allen D. Ball 007 * %% 008 * Licensed under the Apache License, Version 2.0 (the "License"); 009 * you may not use this file except in compliance with the License. 010 * You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, software 015 * distributed under the License is distributed on an "AS IS" BASIS, 016 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 017 * See the License for the specific language governing permissions and 018 * limitations under the License. 019 * ########################################################################## 020 */ 021import java.lang.annotation.Documented; 022import java.lang.annotation.Retention; 023import java.lang.annotation.Target; 024 025import static java.lang.annotation.ElementType.FIELD; 026import static java.lang.annotation.ElementType.LOCAL_VARIABLE; 027import static java.lang.annotation.RetentionPolicy.RUNTIME; 028 029/** 030 * Annotation to specify a field constant expression must convert to the 031 * specified type. The test is made at compile time during annotation 032 * processing. 033 * 034 * @see ball.annotation.processing.ConstantValueMustConvertToProcessor 035 * 036 * @author {@link.uri mailto:ball@hcf.dev Allen D. Ball} 037 */ 038@Documented 039@Retention(RUNTIME) 040@Target({ FIELD, LOCAL_VARIABLE }) 041public @interface ConstantValueMustConvertTo { 042 Class<?> value(); 043 String method() default ""; 044}