19 #ifndef RQT_MULTIPLOT_MESSAGE_BROKER_H    20 #define RQT_MULTIPLOT_MESSAGE_BROKER_H    38     virtual bool subscribe(
const QString& topic, QObject* receiver,
    39       const char* method, 
const PropertyMap& properties = 
PropertyMap(),
    40       Qt::ConnectionType type = Qt::AutoConnection) = 0;
    41     virtual bool unsubscribe(
const QString& topic, QObject* receiver,
    42       const char* method = 0) = 0;
 
MessageBroker(QObject *parent=0)
QMap< int, QVariant > PropertyMap
virtual bool subscribe(const QString &topic, QObject *receiver, const char *method, const PropertyMap &properties=PropertyMap(), Qt::ConnectionType type=Qt::AutoConnection)=0
virtual bool unsubscribe(const QString &topic, QObject *receiver, const char *method=0)=0