jdk8-mips64-public/langtools: src/share/classes/javax/lang/model/type/UnknownTypeException.java@58fcba61a77d

     1 /*

     2  * Copyright 2005-2009 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Sun designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Sun in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22  * CA 95054 USA or visit www.sun.com if you need additional information or

    23  * have any questions.

    24  */

    26 package javax.lang.model.type;

    28 import javax.lang.model.UnknownEntityException;

    30 /**

    31  * Indicates that an unknown kind of type was encountered.  This can

    32  * occur if the language evolves and new kinds of types are added to

    33  * the {@code TypeMirror} hierarchy.  May be thrown by a {@linkplain

    34  * TypeVisitor type visitor} to indicate that the visitor was created

    35  * for a prior version of the language.

    36  *

    37  * @author Joseph D. Darcy

    38  * @author Scott Seligman

    39  * @author Peter von der Ah&eacute;

    40  * @see TypeVisitor#visitUnknown

    41  * @since 1.6

    42  */

    43 public class UnknownTypeException extends UnknownEntityException {

    45     private static final long serialVersionUID = 269L;

    47     private transient TypeMirror type;

    48     private transient Object parameter;

    50     /**

    51      * Creates a new {@code UnknownTypeException}.The {@code p}

    52      * parameter may be used to pass in an additional argument with

    53      * information about the context in which the unknown type was

    54      * encountered; for example, the visit methods of {@link

    55      * TypeVisitor} may pass in their additional parameter.

    56      *

    57      * @param t the unknown type, may be {@code null}

    58      * @param p an additional parameter, may be {@code null}

    59      */

    60     public UnknownTypeException(TypeMirror t, Object p) {

    61         super("Unknown type: " + t);

    62         type = t;

    63         this.parameter = p;

    64     }

    66     /**

    67      * Returns the unknown type.

    68      * The value may be unavailable if this exception has been

    69      * serialized and then read back in.

    70      *

    71      * @return the unknown type, or {@code null} if unavailable

    72      */

    73     public TypeMirror getUnknownType() {

    74         return type;

    75     }

    77     /**

    78      * Returns the additional argument.

    79      *

    80      * @return the additional argument

    81      */

    82     public Object getArgument() {

    83         return parameter;

    84     }

    85 }

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