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