/*

 * Copyright (c) 2019, 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.

 *

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 */

#ifndef SHARE_JFR_LEAKPROFILER_CHECKPOINT_EVENTEMITTER_HPP

#define SHARE_JFR_LEAKPROFILER_CHECKPOINT_EVENTEMITTER_HPP

#include "memory/allocation.hpp"

#include "jfr/utilities/jfrTime.hpp"

typedef u8 traceid;

class EdgeStore;

class JfrThreadLocal;

class ObjectSample;

class ObjectSampler;

class Thread;

class EventEmitter : public CHeapObj<mtTracing> {

  friend class LeakProfiler;

  friend class PathToGcRootsOperation;

 private:

  const JfrTicks& _start_time;

  const JfrTicks& _end_time;

  Thread* _thread;

  JfrThreadLocal* _jfr_thread_local;

  traceid _thread_id;

  EventEmitter(const JfrTicks& start_time, const JfrTicks& end_time);

  ~EventEmitter();

  void write_event(const ObjectSample* sample, EdgeStore* edge_store);

  size_t write_events(ObjectSampler* sampler, EdgeStore* store, bool emit_all);

  static void emit(ObjectSampler* sampler, int64_t cutoff_ticks, bool emit_all);

};

#endif // SHARE_JFR_LEAKPROFILER_CHECKPOINT_EVENTEMITTER_HPP