1 /*
   2  * Copyright (c) 2012 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 
  25 #ifndef SHARE_VM_MEMORY_REFERENCEPROCESSORSTATS_HPP
  26 #define SHARE_VM_MEMORY_REFERENCEPROCESSORSTATS_HPP
  27 
  28 #include "utilities/globalDefinitions.hpp"
  29 
  30 class ReferenceProcessor;
  31 
  32 // ReferenceProcessorStats contains statistics about how many references that
  33 // have been traversed when processing references during garbage collection.
  34 class ReferenceProcessorStats {
  35   size_t _soft_count;
  36   size_t _weak_count;
  37   size_t _final_count;
  38   size_t _phantom_count;
  39 
  40  public:
  41   ReferenceProcessorStats() :
  42     _soft_count(0),
  43     _weak_count(0),
  44     _final_count(0),
  45     _phantom_count(0) {}
  46 
  47   ReferenceProcessorStats(size_t soft_count,
  48                           size_t weak_count,
  49                           size_t final_count,
  50                           size_t phantom_count) :
  51     _soft_count(soft_count),
  52     _weak_count(weak_count),
  53     _final_count(final_count),
  54     _phantom_count(phantom_count)
  55   {}
  56 
  57   size_t soft_count() const {
  58     return _soft_count;
  59   }
  60 
  61   size_t weak_count() const {
  62     return _weak_count;
  63   }
  64 
  65   size_t final_count() const {
  66     return _final_count;
  67   }
  68 
  69   size_t phantom_count() const {
  70     return _phantom_count;
  71   }
  72 };
  73 #endif