/*

 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.

 * Copyright (c) 2019, Twitter, Inc.

 * 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_GC_SHARED_PREGCVALUES_HPP

#define SHARE_GC_SHARED_PREGCVALUES_HPP

#include "memory/metaspace/metaspaceSizesSnapshot.hpp"

// Simple class for storing info about the heap at the start of GC, to be used

// after GC for comparison/printing.

class PreGenGCValues {

public:

  PreGenGCValues(size_t young_gen_used,

                 size_t young_gen_capacity,

                 size_t eden_used,

                 size_t eden_capacity,

                 size_t from_used,

                 size_t from_capacity,

                 size_t old_gen_used,

                 size_t old_gen_capacity)

      : _young_gen_used(young_gen_used),

        _young_gen_capacity(young_gen_capacity),

        _eden_used(eden_used),

        _eden_capacity(eden_capacity),

        _from_used(from_used),

        _from_capacity(from_capacity),

        _old_gen_used(old_gen_used),

        _old_gen_capacity(old_gen_capacity) { }

  size_t young_gen_used()     const { return _young_gen_used;     }

  size_t young_gen_capacity() const { return _young_gen_capacity; }

  size_t eden_used()          const { return _eden_used;          }

  size_t eden_capacity()      const { return _eden_capacity;      }

  size_t from_used()          const { return _from_used;          }

  size_t from_capacity()      const { return _from_capacity;      }

  size_t old_gen_used()       const { return _old_gen_used;       }

  size_t old_gen_capacity()   const { return _old_gen_capacity;   }

  const metaspace::MetaspaceSizesSnapshot& metaspace_sizes() const { return _meta_sizes; }

private:

  const size_t _young_gen_used;

  const size_t _young_gen_capacity;

  const size_t _eden_used;

  const size_t _eden_capacity;

  const size_t _from_used;

  const size_t _from_capacity;

  const size_t _old_gen_used;

  const size_t _old_gen_capacity;

  const metaspace::MetaspaceSizesSnapshot _meta_sizes;

};

#endif // SHARE_GC_SHARED_PREGCVALUES_HPP