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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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).
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#ifndef SHARE_GC_G1_G1HEAPTRANSITION_HPP
#define SHARE_GC_G1_G1HEAPTRANSITION_HPP

#include "gc/shared/plab.hpp"
#include "memory/metaspaceStats.hpp"

class G1CollectedHeap;

class G1HeapTransition {
  struct Data {
    size_t _eden_length;
    size_t _survivor_length;
    size_t _old_length;
    size_t _humongous_length;
    const MetaspaceCombinedStats _meta_sizes;

    // Only includes current eden regions.
    uint* _eden_length_per_node;
    // Only includes current survivor regions.
    uint* _survivor_length_per_node;

    Data(G1CollectedHeap* g1_heap);
    ~Data();
  };

  G1CollectedHeap* _g1_heap;
  Data _before;

public:
  G1HeapTransition(G1CollectedHeap* g1_heap);

  void print();
};

#endif // SHARE_GC_G1_G1HEAPTRANSITION_HPP