javax.lang.model.element.AnnotationMirror Maven / Gradle / Ivy
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/*
* Copyright (c) 2005, 2006, 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.
*
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package javax.lang.model.element;
import java.util.Map;
import javax.lang.model.type.DeclaredType;
/**
* Represents an annotation. An annotation associates a value with
* each element of an annotation type.
*
* Annotations should be compared using the {@code equals}
* method. There is no guarantee that any particular annotation will
* always be represented by the same object.
*
* @author Joseph D. Darcy
* @author Scott Seligman
* @author Peter von der Ahé
* @since 1.6
*/
public interface AnnotationMirror {
/**
* Returns the type of this annotation.
*
* @return the type of this annotation
*/
DeclaredType getAnnotationType();
/**
* Returns the values of this annotation's elements.
* This is returned in the form of a map that associates elements
* with their corresponding values.
* Only those elements with values explicitly present in the
* annotation are included, not those that are implicitly assuming
* their default values.
* The order of the map matches the order in which the
* values appear in the annotation's source.
*
*
Note that an annotation mirror of a marker annotation type
* will by definition have an empty map.
*
*
To fill in default values, use {@link
* javax.lang.model.util.Elements#getElementValuesWithDefaults
* getElementValuesWithDefaults}.
*
* @return the values of this annotation's elements,
* or an empty map if there are none
*/
Map getElementValues();
}