26 lines
410 B
C++
26 lines
410 B
C++
#ifndef IDGENERATOR_H
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#define IDGENERATOR_H
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#include <QMap>
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#include <QByteArray>
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class IDGenerator
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{
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public:
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qint64 new_id();
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void recylce_id(qint64 id);
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void use_id(qint64 id);
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qint64 next_id();
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QByteArray to_bytes() const;
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void from_bytes(const QByteArray& bytes);
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private:
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qint64 m_id = 1;
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QMap<qint64, qint64> m_recycle_id;
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QMap<qint64, qint64> m_use_id;
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};
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#endif
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