/*
* @(#)UnknownAnnotationValueException.java 1.4 06/07/31
*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
package javax.lang.model.element;
/**
* Indicates that an unknown kind of annotation value was encountered.
* This can occur if the language evolves and new kinds of annotation
* values can be stored in an annotation. May be thrown by an
* {@linkplain AnnotationValueVisitor annotation value visitor} to
* indicate that the visitor was created for a prior version of the
* language.
*
* @author Joseph D. Darcy
* @author Scott Seligman
* @author Peter von der Ahé
* @version 1.4 06/07/31
* @see AnnotationValueVisitor#visitUnknown
* @since 1.6
*/
public class UnknownAnnotationValueException extends RuntimeException {
private static final long serialVersionUID = 269L;
private transient AnnotationValue av;
private transient Object parameter;
/**
* Creates a new {@code UnknownAnnotationValueException}. The
* {@code p} parameter may be used to pass in an additional
* argument with information about the context in which the
* unknown annotation value was encountered; for example, the
* visit methods of {@link AnnotationValueVisitor} may pass in
* their additional parameter.
*
* @param av the unknown annotation value, may be {@code null}
* @param p an additional parameter, may be {@code null}
*/
public UnknownAnnotationValueException(AnnotationValue av, Object p) {
super("Unknown annotation value: " + av);
this.av = av;
this.parameter = p;
}
/**
* Returns the unknown annotation value.
* The value may be unavailable if this exception has been
* serialized and then read back in.
*
* @return the unknown element, or {@code null} if unavailable
*/
public AnnotationValue getUnknownAnnotationValue() {
return av;
}
/**
* Returns the additional argument.
*
* @return the additional argument
*/
public Object getArgument() {
return parameter;
}
}