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