#ifndef RENDERCACHE_H
#define RENDERCACHE_H

#include <QMap>
#include <QMutex>

template<class K, class V>
class RenderCache
{
public:
  RenderCache() = default;

  void Clear(){values_.clear();}

  void Add(K key, V val){values_.insert(key, val);}

  V Get(K key) const {return values_.value(key);}

  bool Has(K key) const {return values_.contains(key);}

  void Lock() { lock_.lock(); }

  void Unlock() { lock_.unlock(); }

  QMutex* lock() { return &lock_; }

private:
  QHash<K, V> values_;

  QMutex lock_;

};

#endif // RENDERCACHE_H