/*

 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

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

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

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

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

 * accompanied this code).

 *

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

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

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

 *

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

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

 * questions.

 *

 */

#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP

#define SHARE_VM_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP

#include "runtime/thread.hpp"

#include "utilities/globalDefinitions.hpp"

class CopyFailedInfo : public CHeapObj<mtGC> {

  size_t    _first_size;

  size_t    _smallest_size;

  size_t    _total_size;

  uint      _count;

 public:

  CopyFailedInfo() : _first_size(0), _smallest_size(0), _total_size(0), _count(0) {}

  virtual void register_copy_failure(size_t size) {

    if (_first_size == 0) {

      _first_size = size;

      _smallest_size = size;

    } else if (size < _smallest_size) {

      _smallest_size = size;

    }

    _total_size += size;

    _count++;

  }

  virtual void reset() {

    _first_size = 0;

    _smallest_size = 0;

    _total_size = 0;

    _count = 0;

  }

  bool has_failed() const { return _count != 0; }

  size_t first_size() const { return _first_size; }

  size_t smallest_size() const { return _smallest_size; }

  size_t total_size() const { return _total_size; }

  uint failed_count() const { return _count; }

};

class PromotionFailedInfo : public CopyFailedInfo {

  OSThread* _thread;

 public:

  PromotionFailedInfo() : CopyFailedInfo(), _thread(NULL) {}

  void register_copy_failure(size_t size) {

    CopyFailedInfo::register_copy_failure(size);

    if (_thread == NULL) {

      _thread = Thread::current()->osthread();

    } else {

      assert(_thread == Thread::current()->osthread(), "The PromotionFailedInfo should be thread local.");

    }

  }

  void reset() {

    CopyFailedInfo::reset();

    _thread = NULL;

  }

  OSThread* thread() const { return _thread; }

};

class EvacuationFailedInfo : public CopyFailedInfo {};

#endif /* SHARE_VM_GC_IMPLEMENTATION_SHARED_COPYFAILEDINFO_HPP */