/* * Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package java.lang.classfile.constantpool; import java.lang.constant.ConstantDesc; import jdk.internal.javac.PreviewFeature; /** * Models a constant pool entry that can be used as the constant in a * {@code ConstantValue} attribute; this includes the four primitive constant * types and {@linkplain String} constants. * * @sealedGraph * @since 22 */ @PreviewFeature(feature = PreviewFeature.Feature.CLASSFILE_API) public sealed interface ConstantValueEntry extends LoadableConstantEntry permits DoubleEntry, FloatEntry, IntegerEntry, LongEntry, StringEntry { /** * {@return the constant value} The constant value will be an {@link Integer}, * {@link Long}, {@link Float}, {@link Double}, or {@link String}. */ @Override ConstantDesc constantValue(); }