jdk8-mips64-public/jaxws: src/share/jaxws_classes/com/sun/xml/internal/xsom/util/TypeClosure.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  * Perform a transitive closure operation on a type to determine if it

    32  * belongs to this set.

    33  *

    34  * The contains method returns true if the TypeSet contains an instance

    35  * of the specified XSType or any of the base types of the XSType.

    36  *

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

    38  */

    39 public class TypeClosure extends TypeSet {

    41     private final TypeSet typeSet;

    43     public TypeClosure(TypeSet typeSet) {

    44         this.typeSet = typeSet;

    45     }

    47     /* (non-Javadoc)

    48      * @see com.sun.xml.internal.xsom.util.TypeSet#contains(com.sun.xml.internal.xsom.XSDeclaration)

    49      *

    50      * transitive closure variation on the contains method.

    51      */

    52     public boolean contains(XSType type) {

    53         if( typeSet.contains(type) ) {

    54             return true;

    55         } else {

    56             XSType baseType = type.getBaseType();

    57             if( baseType == null ) {

    58                 return false;

    59             } else {

    60                 // climb the super type hierarchy

    61                 return contains(baseType);

    62             }

    63         }

    64     }

    66 }

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