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#ifndef INCLUDE_MESSAGE_H
#define INCLUDE_MESSAGE_H
#include <stdlib.h>
#include <QAtomicInt>
#include "util/export.h"
class MessageQueue;
class QWaitCondition;
class QMutex;
class SDRANGELOVE_API Message {
public:
Message();
virtual ~Message();
virtual const char* getIdentifier() const;
virtual bool matchIdentifier(const char* identifier) const;
static bool match(Message* message);
void* getDestination() const { return m_destination; }
void submit(MessageQueue* queue, void* destination = NULL);
int execute(MessageQueue* queue, void* destination = NULL);
void completed(int result = 0);
protected:
// addressing
static const char* m_identifier;
void* m_destination;
// stuff for synchronous messages
bool m_synchronous;
QWaitCondition* m_waitCondition;
QMutex* m_mutex;
QAtomicInt m_complete;
int m_result;
void prepareSync();
};
#define MESSAGE_CLASS_DECLARATION \
public: \
const char* getIdentifier() const; \
bool matchIdentifier(const char* identifier) const; \
static bool match(Message* message); \
protected: \
static const char* m_identifier; \
private:
#define MESSAGE_CLASS_DEFINITION(Name, BaseClass) \
const char* Name::m_identifier = #Name; \
const char* Name::getIdentifier() const { return m_identifier; } \
bool Name::matchIdentifier(const char* identifier) const {\
return (m_identifier == identifier) ? true : BaseClass::matchIdentifier(identifier); \
} \
bool Name::match(Message* message) { return message->matchIdentifier(m_identifier); }
#endif // INCLUDE_MESSAGE_H
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