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#ifndef CERT_TRANS_UTIL_SYNC_TASK_H_
#define CERT_TRANS_UTIL_SYNC_TASK_H_
#include "base/macros.h"
#include "base/notification.h"
#include "util/task.h"
namespace util {
// Helper class to allow using a util::Task in a synchronous manner.
class SyncTask {
public:
SyncTask(Executor* executor);
// REQUIRES: IsDone() returns true.
~SyncTask();
Task* task() {
return &task_;
}
// Returns true once the task is completed.
bool IsDone() const;
// Returns the status of the task.
// REQUIRES: IsDone() returns true.
Status status() const {
return task_.status();
}
// Blocks until IsDone() returns true.
void Wait() const;
// Request the task to cancel itself and return. This does not
// block, so the task should not be deleted until IsDone() returns
// true.
void Cancel();
private:
cert_trans::Notification notifier_;
Task task_;
DISALLOW_COPY_AND_ASSIGN(SyncTask);
};
} // namespace util
#endif // CERT_TRANS_UTIL_SYNC_TASK_H_
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