greenplumn CJobTest 源码
greenplumn CJobTest 代码
文件路径：/src/backend/gporca/libgpopt/include/gpopt/search/CJobTest.h
//---------------------------------------------------------------------------
// Greenplum Database
// Copyright (C) 2011 EMC Corp.
//
// @filename:
// CJobTest.h
//
// @doc:
// Job implementation for testing purposes
//---------------------------------------------------------------------------
#ifndef GPOPT_CJobTest_H
#define GPOPT_CJobTest_H
#include "gpos/base.h"
#include "gpopt/search/CJob.h"
#include "gpopt/search/CJobQueue.h"
namespace gpopt
{
using namespace gpos;
//---------------------------------------------------------------------------
// @class:
// CJobTest
//
// @doc:
// Job derivative for unittests
//
//---------------------------------------------------------------------------
class CJobTest : public CJob
{
// friends
friend class CJobFactory;
public:
// job test type
enum ETestType
{
EttSpawn,
EttStartQueue,
EttQueueu
};
private:
// test type
ETestType m_ett{EttSpawn};
// number of job spawning rounds
ULONG m_ulRounds{gpos::ulong_max};
// spawning fanout
ULONG m_ulFanout{gpos::ulong_max};
// CPU-burning iterations per job
ULONG m_ulIters{gpos::ulong_max};
// iteration counter
static ULONG_PTR m_ulpCnt;
// job queue
CJobQueue *m_pjq;
// test job spawning
BOOL FSpawn(CSchedulerContext *psc);
// start jobs to be queued
BOOL FStartQueue(CSchedulerContext *psc);
// test job queueing
BOOL FQueue(CSchedulerContext *psc);
// burn some CPU to simulate actual work
void Loop() const;
public:
// ctor
CJobTest();
// dtor
~CJobTest() override;
// execution
BOOL FExecute(CSchedulerContext *psc) override;
#ifdef GPOS_DEBUG
// printer
IOstream &OsPrint(IOstream &) const override;
#endif // GPOS_DEBUG
// set execution parameters
void
Init(ETestType ett, ULONG ulRounds, ULONG ulFanout, ULONG ulIters,
CJobQueue *pjq)
{
m_ett = ett;
m_ulRounds = ulRounds;
m_ulFanout = ulFanout;
m_ulIters = ulIters;
m_pjq = pjq;
}
// copy execution parameters
void
Init(CJobTest *pjt)
{
Init(pjt->m_ett, pjt->m_ulRounds, pjt->m_ulFanout, pjt->m_ulIters,
pjt->m_pjq);
}
// reset
static void
ResetCnt()
{
m_ulpCnt = 0;
}
// conversion function
static CJobTest *
PjConvert(CJob *pj)
{
GPOS_ASSERT(nullptr != pj);
GPOS_ASSERT(EjtTest == pj->Ejt());
return dynamic_cast<CJobTest *>(pj);
}
};
} // namespace gpopt
#endif // !GPOPT_CJobTest_H
// EOF
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