core/sql/executor/ExSMTaskList.h

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#ifndef EXSM_TASKLIST_H
#define EXSM_TASKLIST_H

#include <pthread.h>
#include "ExSMCommon.h"

class ExSMTask;
class ExSMTaskList;
class ExSMQueue;

class ExSMTaskList
{
public:
  ExSMTaskList();

  virtual ~ExSMTaskList();

  void lock();
  void unlock();

  void addTask(ExSMTask *t);
  void removeTask(ExSMTask *t);

  uint32_t getNumTasks() { return numTasks_; }

  ExSMTask *findTask(const sm_target_t &target,
                     bool doLock,
                     bool doTrace);

protected:

  ExSMTask **buckets_;
  uint32_t numBuckets_;
  uint32_t numTasks_;
  int64_t numInserts_;
  int64_t numCollisions_;

  pthread_mutex_t taskListMutex_;

}; // class ExSMTaskList

#endif // EXSM_TASKLIST_H