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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#ifndef SD_ASYNCHRONOUS_TASK_HXX
#define SD_ASYNCHRONOUS_TASK_HXX
namespace sd { namespace tools {
/** Interface for the asynchronous execution of a task. This interface
allows an controller to run the task either timer based with a fixed
amount of time between the steps or thread based one step right after
the other.
*/
class AsynchronousTask
{
public:
/** Run the next step of the task. After HasNextStep() returns false
this method should ignore further calls.
*/
virtual void RunNextStep (void) = 0;
/** Return <TRUE/> when there is at least one more step to execute.
When the task has been executed completely then <FALSE/> is
returned.
*/
virtual bool HasNextStep (void) = 0;
};
} } // end of namespace ::sd::tools
#endif
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