| /* |
| * @(#)WildcardType.java 1.5 04/06/07 |
| * |
| * Copyright (c) 2004, Sun Microsystems, Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * * Neither the name of the Sun Microsystems, Inc. nor the names of |
| * its contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
| * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER |
| * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package com.sun.mirror.type; |
| |
| |
| import java.util.Collection; |
| |
| |
| /** |
| * Represents a wildcard type argument. |
| * Examples include: <pre><tt> |
| * ? |
| * ? extends Number |
| * ? super T |
| * </tt></pre> |
| * |
| * <p> A wildcard may have its upper bound explicitly set by an |
| * <tt>extends</tt> clause, its lower bound explicitly set by a |
| * <tt>super</tt> clause, or neither (but not both). |
| * |
| * @author Joseph D. Darcy |
| * @author Scott Seligman |
| * @version 1.5 04/06/07 |
| * @since 1.5 |
| */ |
| |
| public interface WildcardType extends TypeMirror { |
| |
| /** |
| * Returns the upper bounds of this wildcard. |
| * If no upper bound is explicitly declared, then |
| * an empty collection is returned. |
| * |
| * @return the upper bounds of this wildcard |
| */ |
| Collection<ReferenceType> getUpperBounds(); |
| |
| /** |
| * Returns the lower bounds of this wildcard. |
| * If no lower bound is explicitly declared, then |
| * an empty collection is returned. |
| * |
| * @return the lower bounds of this wildcard |
| */ |
| Collection<ReferenceType> getLowerBounds(); |
| } |