VuoModuleCompilationQueue.hh

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#pragma once
 
#include <mutex>
#include <condition_variable>
#include "VuoFileUtilities.hh"
 
class VuoModuleCompilationQueue
{
public:
    class Item
    {
    public:
        Item();
        string moduleKey;  
        string sourcePath;  
        string sourceCode;  
        VuoFileUtilities::File *sourceFile;   
        string cachedModulesPath;  
        string compiledModulePath;  
        dispatch_group_t loadingGroup;  
        pair<int, int> priority;  
 
        bool hasHigherPriority(Item *other);
    };
 
    VuoModuleCompilationQueue();
    void enqueue(Item *item);
    Item * next();
    void completed(Item *item);
 
private:
    Item * ripeItem(map<string, list< pair<Item *, bool> > >::iterator iter);
    bool& ripeItemIsCompiling(map<string, list< pair<Item *, bool> > >::iterator iter);
    void pluckRipeItem(map<string, list< pair<Item *, bool> > >::iterator iter);
 
    map<string, list< pair<Item *, bool> > > queue;
 
    std::mutex queueMutex;  
    std::condition_variable queueChanged;  
 
    static const int maxConcurrentCompilations;  
};