1 /*

     2  * Copyright (c) 2015, 2017, 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.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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

    21  * questions.

    22  */

    23 

    24 #ifndef SHARE_GC_Z_ZLIST_INLINE_HPP

    25 #define SHARE_GC_Z_ZLIST_INLINE_HPP

    26 

    27 #include "gc/z/zList.hpp"

    28 

    29 template <typename T, bool forward>

    30 ZListIteratorImpl<T, forward>::ZListIteratorImpl(ZList<T>* list) :

    31     _list(list),

    32     _next(forward ? list->first() : list->last()) {}

    33 

    34 template <typename T, bool forward>

    35 bool ZListIteratorImpl<T, forward>::next(T** elem) {

    36   if (_next != NULL) {

    37     *elem = _next;

    38     _next = forward ? _list->next(_next) : _list->prev(_next);

    39     return true;

    40   }

    41 

    42   // No more elements

    43   return false;

    44 }

    45 

    46 #endif // SHARE_GC_Z_ZLIST_INLINE_HPP