/*

 * Copyright (c) 2015, 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

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 *

 */

#include "gc/g1/bufferingOopClosure.hpp"

#include "gc/g1/g1CodeBlobClosure.hpp"

#include "gc/g1/g1CollectedHeap.hpp"

#include "gc/g1/g1OopClosures.inline.hpp"

#include "gc/g1/g1RootClosures.hpp"

// Simple holder object for a complete set of closures used by the G1 evacuation code.

template <G1Mark Mark>

class G1SharedClosures VALUE_OBJ_CLASS_SPEC {

public:

  G1ParCopyClosure<G1BarrierNone,  Mark> _oops;

  G1ParCopyClosure<G1BarrierKlass, Mark> _oop_in_klass;

  G1KlassScanClosure                     _klass_in_cld_closure;

  CLDToKlassAndOopClosure                _clds;

  G1CodeBlobClosure                      _codeblobs;

  BufferingOopClosure                    _buffered_oops;

  G1SharedClosures(G1CollectedHeap* g1h, G1ParScanThreadState* pss, bool process_only_dirty_klasses, bool must_claim_cld) :

    _oops(g1h, pss),

    _oop_in_klass(g1h, pss),

    _klass_in_cld_closure(&_oop_in_klass, process_only_dirty_klasses),

    _clds(&_klass_in_cld_closure, &_oops, must_claim_cld),

    _codeblobs(&_oops),

    _buffered_oops(&_oops) {}

};

class G1EvacuationClosures : public G1EvacuationRootClosures {

  G1SharedClosures<G1MarkNone> _closures;

public:

  G1EvacuationClosures(G1CollectedHeap* g1h,

                       G1ParScanThreadState* pss,

                       bool gcs_are_young) :

      _closures(g1h, pss, gcs_are_young, /* must_claim_cld */ false) {}

  OopClosure* weak_oops()   { return &_closures._buffered_oops; }

  OopClosure* strong_oops() { return &_closures._buffered_oops; }

  CLDClosure* weak_clds()             { return &_closures._clds; }

  CLDClosure* strong_clds()           { return &_closures._clds; }

  CLDClosure* thread_root_clds()      { return NULL; }

  CLDClosure* second_pass_weak_clds() { return NULL; }

  CodeBlobClosure* strong_codeblobs()      { return &_closures._codeblobs; }

  CodeBlobClosure* weak_codeblobs()        { return &_closures._codeblobs; }

  void flush()                 { _closures._buffered_oops.done(); }

  double closure_app_seconds() { return _closures._buffered_oops.closure_app_seconds(); }

  OopClosure* raw_strong_oops() { return &_closures._oops; }

  bool trace_metadata()         { return false; }

};