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70 lines
2.5 KiB
Java
70 lines
2.5 KiB
Java
/*
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* Copyright (c) 2005, 2020, 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 javax.lang.model.element;
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/**
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* Represents a value of an annotation interface element.
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* A value is of one of the following types:
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* <ul><li> a wrapper class (such as {@link Integer}) for a primitive type
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* <li> {@code String}
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* <li> {@code TypeMirror}
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* <li> {@code VariableElement} (representing an enum constant)
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* <li> {@code AnnotationMirror}
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* <li> {@code List<? extends AnnotationValue>}
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* (representing the elements, in declared order, if the value is an array)
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* </ul>
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*
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* @author Joseph D. Darcy
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* @author Scott Seligman
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* @author Peter von der Ahé
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* @since 1.6
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*/
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public interface AnnotationValue {
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/**
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* {@return the value}
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*/
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Object getValue();
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/**
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* {@return a string representation of this value}
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* This is returned in a form suitable for representing this value
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* in the source code of an annotation.
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*/
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String toString();
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/**
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* Applies a visitor to this value.
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*
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* @param <R> the return type of the visitor's methods
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* @param <P> the type of the additional parameter to the visitor's methods
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* @param v the visitor operating on this value
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* @param p additional parameter to the visitor
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* @return a visitor-specified result
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*/
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<R, P> R accept(AnnotationValueVisitor<R, P> v, P p);
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}
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