/*

 * Copyright (c) 2003, 2020, 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

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 */

package java.lang.annotation;

/**

 * Thrown to indicate that a program has attempted to access an element of

 * an annotation interface that was added to the annotation interface definition

 * after the annotation was compiled (or serialized). This exception will not be

 * thrown if the new element has a default value.

 * This exception can be thrown by the {@linkplain

 * java.lang.reflect.AnnotatedElement API used to read annotations

 * reflectively}.

 *

 * @author  Josh Bloch

 * @see     java.lang.reflect.AnnotatedElement

 * @since 1.5

 */

public class IncompleteAnnotationException extends RuntimeException {

    @java.io.Serial

    private static final long serialVersionUID = 8445097402741811912L;

    /**

     * The annotation interface.

     */

    private Class<? extends Annotation> annotationType;

    /**

     * The element name.

     */

    private String elementName;

    /**

     * Constructs an IncompleteAnnotationException to indicate that

     * the named element was missing from the specified annotation interface.

     *

     * @param annotationType the Class object for the annotation interface

     * @param elementName the name of the missing element

     * @throws NullPointerException if either parameter is {@code null}

     */

    public IncompleteAnnotationException(

            Class<? extends Annotation> annotationType,

            String elementName) {

        super(annotationType.getName() + " missing element " +

              elementName.toString());

        this.annotationType = annotationType;

        this.elementName = elementName;

    }

    /**

     * Returns the Class object for the annotation interface with the

     * missing element.

     *

     * @return the Class object for the annotation interface with the

     *     missing element

     */

    public Class<? extends Annotation> annotationType() {

        return annotationType;

    }

    /**

     * Returns the name of the missing element.

     *

     * @return the name of the missing element

     */

    public String elementName() {

        return elementName;

    }

}