jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/xsom/util/TypeSet.java@e530533619ec

     1 /*

     2  * Copyright (c) 1997, 2010, 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 com.sun.xml.internal.xsom.util;

    28 import com.sun.xml.internal.xsom.XSType;

    30 /**

    31  * A simple abstraction for a set of Types that defines containment functions.

    32  *

    33  * @author <a href="mailto:Ryan.Shoemaker@Sun.COM">Ryan Shoemaker</a>, Sun Microsystems, Inc.

    34  */

    35 public abstract class TypeSet {

    37     /**

    38      * Return true if this TypeSet contains the specified type.

    39      *

    40      * Concrete implementations of this method determine what it

    41      * means for the TypeSet to "contain" a type.

    42      *

    43      * @param type the type

    44      * @return true iff this TypeSet contains the specified type

    45      */

    46     public abstract boolean contains(XSType type);

    48     /**

    49      * Calculate the TypeSet formed by the intersection of two

    50      * other TypeSet objects.

    51      *

    52      * @param a a TypeSet

    53      * @param b another TypeSet

    54      * @return the intersection of a and b

    55      */

    56     public static TypeSet intersection(final TypeSet a, final TypeSet b) {

    57         return new TypeSet(){

    58             public boolean contains(XSType type) {

    59                 return a.contains(type) && b.contains(type);

    60             }

    61         };

    62     }

    64     /**

    65      * Calculate the TypeSet formed by the union of two

    66      * other TypeSet objects.

    67      *

    68      * @param a a TypeSet

    69      * @param b another TypeSet

    70      * @return the union of a and b

    71      */

    72     public static TypeSet union(final TypeSet a, final TypeSet b) {

    73         return new TypeSet(){

    74             public boolean contains(XSType type) {

    75                 return a.contains(type) || b.contains(type);

    76             }

    77         };

    78     }

    79 }

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