command.h

#pragma once
#include <functional>
#include <QString>
#include <QByteArray>
#include <QList>
#include <QObject>

namespace RedisClient {

class Response;

class Command 
{    
public:
    typedef std::function<void(Response, QString)> Callback;

public:
    Command();

    Command(const QList<QByteArray>& cmd, int db = -1);

    Command(const QList<QByteArray>& cmd, QObject * context, Callback callback, int db = -1);

    virtual ~Command();

    Command &append(const QByteArray& part);

    QByteArray  getByteRepresentation() const;

    QByteArray getRawString(int limit=200) const;

    QList<QByteArray> getSplitedRepresentattion() const;

    QString getPartAsString(int i);

    int getDbIndex() const;

    bool hasDbIndex() const;

    QObject* getOwner() const;

    void setCallBack(QObject* context, Callback callback);

    Callback getCallBack() const;

    bool hasCallback() const;

    void markAsHiPriorityCommand();

    bool isHiPriorityCommand() const;

    bool isValid() const;
    bool isEmpty() const;

    /*
     * Command type checks
     */
    bool isScanCommand() const;
    bool isSelectCommand() const;
    bool isSubscriptionCommand() const;
    bool isUnSubscriptionCommand() const;

public:
    static QList<QByteArray> splitCommandString(const QString &);

protected:
    QObject * m_owner;
    QList<QByteArray> m_commandWithArguments;
    int m_dbIndex;
    bool m_hiPriorityCommand;
    Callback m_callback;
};
}