lazy_properties_hash.h

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#ifndef COCKATRICE_LAZY_PROPERTIES_HASH_H
#define COCKATRICE_LAZY_PROPERTIES_HASH_H
 
#include <QHash>
#include <QMutex>

class LazyPropertiesHash
{
 
    mutable QByteArray blob;                    
    mutable QHash<QString, QString> properties; 
    mutable QMutex propertiesMutex;             
    mutable bool isMaterialized = false;        

    void ensureMaterialized() const;
 
public:
    LazyPropertiesHash();

    explicit LazyPropertiesHash(const QByteArray &blob);

    explicit LazyPropertiesHash(const QHash<QString, QString> &properties);
 
    // Override copy constructor and copy-assignment because mutex isn't copiable
    LazyPropertiesHash(const LazyPropertiesHash &other);
    LazyPropertiesHash &operator=(const LazyPropertiesHash &other);

    QString value(const QString &key) const;

    bool insert(const QString &key, const QString &value);

    const QHash<QString, QString> &getProperties() const;
};
 
#endif // COCKATRICE_LAZY_PROPERTIES_HASH_H