fsfw/ipc/QueueFactory.h

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2020-08-18 13:09:15 +02:00
#ifndef FRAMEWORK_IPC_QUEUEFACTORY_H_
#define FRAMEWORK_IPC_QUEUEFACTORY_H_
#include "../ipc/MessageQueueIF.h"
#include <cstdint>
/**
* Creates message queues.
* This class is a "singleton" interface, i.e. it provides an
* interface, but also is the base class for a singleton.
*/
class QueueFactory {
public:
virtual ~QueueFactory();
/**
* Returns the single instance of QueueFactory.
* The implementation of #instance is found in its subclasses.
* Thus, we choose link-time variability of the instance.
*/
static QueueFactory* instance();
MessageQueueIF* createMessageQueue(uint32_t messageDepth = 3,
size_t maxMessageSize = MessageQueueMessage::MAX_MESSAGE_SIZE);
void deleteMessageQueue(MessageQueueIF* queue);
private:
/**
* External instantiation is not allowed.
*/
QueueFactory();
static QueueFactory* factoryInstance;
};
#endif /* FRAMEWORK_IPC_QUEUEFACTORY_H_ */