jdk8-mips64-public/langtools: src/share/classes/javax/lang/model/type/WildcardType.java@2eb010b6cb22

     1 /*

     2  * Copyright (c) 2005, 2006, Oracle and/or its affiliates. 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.  Oracle designates this

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

     9  * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    22  * or visit www.oracle.com if you need additional information or have any

    23  * questions.

    24  */

    26 package javax.lang.model.type;

    29 /**

    30  * Represents a wildcard type argument.

    31  * Examples include:    <pre><tt>

    32  *   ?

    33  *   ? extends Number

    34  *   ? super T

    35  * </tt></pre>

    36  *

    37  * <p> A wildcard may have its upper bound explicitly set by an

    38  * {@code extends} clause, its lower bound explicitly set by a

    39  * {@code super} clause, or neither (but not both).

    40  *

    41  * @author Joseph D. Darcy

    42  * @author Scott Seligman

    43  * @author Peter von der Ah&eacute;

    44  * @since 1.6

    45  */

    46 public interface WildcardType extends TypeMirror {

    48     /**

    49      * Returns the upper bound of this wildcard.

    50      * If no upper bound is explicitly declared,

    51      * {@code null} is returned.

    52      *

    53      * @return the upper bound of this wildcard

    54      */

    55     TypeMirror getExtendsBound();

    57     /**

    58      * Returns the lower bound of this wildcard.

    59      * If no lower bound is explicitly declared,

    60      * {@code null} is returned.

    61      *

    62      * @return the lower bound of this wildcard

    63      */

    64     TypeMirror getSuperBound();

    65 }

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