AbstractExecutorContext.hpp

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#ifndef ABSTRACTEXECUTORCONTEXT_HPP_
#define ABSTRACTEXECUTORCONTEXT_HPP_

#include <memory>

#include "kaa/KaaThread.hpp"
#include "kaa/utils/ThreadPool.hpp"
#include "kaa/context/IExecutorContext.hpp"

namespace kaa {

class AbstractExecutorContext : public IExecutorContext {
public:
    AbstractExecutorContext()
        : useCount_(0), awaitTerminationTimeout_(5)
    {}

    virtual void init();
    virtual void stop();

    void setAwaitTerminationTimeout(std::size_t awaitTerminationTimeout)
    {
        awaitTerminationTimeout_ = awaitTerminationTimeout;
    }

    std::size_t getAwaitTerminationTimeout()
    {
        return awaitTerminationTimeout_;
    }

protected:
    IThreadPoolPtr createExecutor(std::size_t threadCount)
    {
        return std::make_shared<ThreadPool>(threadCount);
    }

    void shutdownExecutor(IThreadPoolPtr threadPool)
    {
        if (threadPool) {
            threadPool->awaitTermination(awaitTerminationTimeout_);
        }
    }

protected:
    virtual void doInit() = 0;
    virtual void doStop() = 0;

private:
    std::size_t useCount_;
    KAA_MUTEX_DECLARE(useCountGuard_);

    std::size_t awaitTerminationTimeout_; // in seconds
};

} /* namespace kaa */

#endif /* ABSTRACTEXECUTORCONTEXT_HPP_ */