dependency_tracker_stub.h

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// Copyright (c) 2026, Oracle and/or its affiliates.
//
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#ifndef MYSQL_SCHEDULER_DEPENDENCY_TRACKER_STUB_H
#define MYSQL_SCHEDULER_DEPENDENCY_TRACKER_STUB_H
 
#include "mysql/concurrency/condition_variable.h"
#include "mysql/scheduler/base_dependency_tracker.h"
 
namespace mysql::scheduler {
 
/// @brief Dependency tracker stub: empty tracker, does not check dependencies
class Dependency_tracker_stub : public Base_dependency_tracker {
 public:
  bool add_dependency(const Task_id_type &, const Task_id_type &) override {
    return true;
  }
  bool activate_task(const Task_id &) override { return true; }
  bool check_ready(const Task_id &) override { return true; }
  std::vector<Task_id> mark_dependency_met(const Task_id &, bool) override {
    return {};
  }
  virtual ~Dependency_tracker_stub() override = default;
};
 
}  // namespace mysql::scheduler
 
#endif  // MYSQL_SCHEDULER_DEPENDENCY_TRACKER_STUB_H