/*
* Copyright (c) 2005, 2009, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*
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package javax.lang.model.type;
import javax.lang.model.UnknownEntityException;
/**
* Indicates that an unknown kind of type was encountered. This can
* occur if the language evolves and new kinds of types are added to
* the {@code TypeMirror} hierarchy. May be thrown by a {@linkplain
* TypeVisitor type 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
* @see TypeVisitor#visitUnknown
* @since 1.6
*/
public class UnknownTypeException extends UnknownEntityException {
private static final long serialVersionUID = 269L;
private transient TypeMirror type;
private transient Object parameter;
/**
* Creates a new {@code UnknownTypeException}.The {@code p}
* parameter may be used to pass in an additional argument with
* information about the context in which the unknown type was
* encountered; for example, the visit methods of {@link
* TypeVisitor} may pass in their additional parameter.
*
* @param t the unknown type, may be {@code null}
* @param p an additional parameter, may be {@code null}
*/
public UnknownTypeException(TypeMirror t, Object p) {
super("Unknown type: " + t);
type = t;
this.parameter = p;
}
/**
* Returns the unknown type.
* The value may be unavailable if this exception has been
* serialized and then read back in.
*
* @return the unknown type, or {@code null} if unavailable
*/
public TypeMirror getUnknownType() {
return type;
}
/**
* Returns the additional argument.
*
* @return the additional argument
*/
public Object getArgument() {
return parameter;
}
}