#pragma once
/////////////////////////////////////////////////////////////////////
// Task.h - Enqueue work item to run on a threadpool thread        //
//                                                                 //
// Jim Fawcett, CSE687 - Object Oriented Design, Spring 2016       //
/////////////////////////////////////////////////////////////////////
/*
 * Threadpool makes copy of each work item on the heap in case it 
 * changes before executing.  Copy is deleted after execution.
 *
 * This means that work items have to be copyable.
 */
#include <functional>
#include <memory>
#include "../ThreadPool/ThreadPool.h"

class Task
{
public:
  using CallObj = std::function<void()>;

  Task() {}
  Task(const Task&) = delete;
  Task& operator=(const Task&) = delete;

  void workItem(CallObj* pCo);
  void wait();
  std::mutex& mutex();
  static ThreadPool& threadPool() { return trpl_; }
private:
  static ThreadPool trpl_;
};

inline std::mutex& Task::mutex() { return trpl_.mutex(); }