greenplumn CSchedulerContext 源码

2022-08-18
浏览 (276)

greenplumn CSchedulerContext 代码

文件路径：/src/backend/gporca/libgpopt/src/search/CSchedulerContext.cpp

//---------------------------------------------------------------------------
//	Greenplum Database
//	Copyright (C) 2008-2011 Greenplum, Inc.
//
//	@filename:
//		CSchedulerContext.cpp
//
//	@doc:
//		Implementation of optimizer job scheduler
//---------------------------------------------------------------------------

#include "gpopt/search/CSchedulerContext.h"

#include "gpos/base.h"
#include "gpos/memory/CMemoryPoolManager.h"

#include "gpopt/engine/CEngine.h"
#include "gpopt/search/CScheduler.h"


using namespace gpos;
using namespace gpopt;


//---------------------------------------------------------------------------
//	@function:
//		CSchedulerContext::CSchedulerContext
//
//	@doc:
//		Ctor
//
//---------------------------------------------------------------------------
CSchedulerContext::CSchedulerContext()

	= default;


//---------------------------------------------------------------------------
//	@function:
//		CSchedulerContext::~CSchedulerContext
//
//	@doc:
//		Dtor
//
//---------------------------------------------------------------------------
CSchedulerContext::~CSchedulerContext()
{
	GPOS_ASSERT_IMP(FInit(), nullptr != GetGlobalMemoryPool());
	GPOS_ASSERT_IMP(FInit(), nullptr != PmpLocal());
	GPOS_ASSERT_IMP(FInit(), nullptr != Psched());

	// release local memory pool
	if (FInit())
	{
		CMemoryPoolManager::GetMemoryPoolMgr()->Destroy(PmpLocal());
	}
}


//---------------------------------------------------------------------------
//	@function:
//		CSchedulerContext::Init
//
//	@doc:
//		Initialize scheduling context
//
//---------------------------------------------------------------------------
void
CSchedulerContext::Init(CMemoryPool *pmpGlobal, CJobFactory *pjf,
						CScheduler *psched, CEngine *peng)
{
	GPOS_ASSERT(nullptr != pmpGlobal);
	GPOS_ASSERT(nullptr != pjf);
	GPOS_ASSERT(nullptr != psched);
	GPOS_ASSERT(nullptr != peng);

	GPOS_ASSERT(!FInit() && "Scheduling context is already initialized");

	m_pmpLocal = CMemoryPoolManager::GetMemoryPoolMgr()->CreateMemoryPool();

	m_pmpGlobal = pmpGlobal;
	m_pjf = pjf;
	m_psched = psched;
	m_peng = peng;
	m_fInit = true;
}


// EOF

相关信息

greenplumn 源码目录

相关文章

greenplumn CBinding 源码

greenplumn CGroup 源码

greenplumn CGroupExpression 源码

greenplumn CGroupProxy 源码

greenplumn CJob 源码

greenplumn CJobFactory 源码

greenplumn CJobGroup 源码

greenplumn CJobGroupExploration 源码

greenplumn CJobGroupExpression 源码

greenplumn CJobGroupExpressionExploration 源码

0 赞

所属分类： 大数据
本文标签： greenplum
版权声明： 原创文章如转载，请注明本文链接: https://m.seaxiang.com/blog/725fb61367fa48adb9ec8d933325ca99

热门推荐

1、直接访问google.com
2、 - 优质文章
3、 gate.io
4、 harmony 鸿蒙hdc使用指导
5、 harmony 鸿蒙ArkUI组件（ArkTS）开发常见问题
6、 harmony 鸿蒙初识ArkTS语言
7、 flink kafka connector scan.startup.mode 的几个选项
8、 golang
9、 openharmony
10、 Vue中input框自动聚焦

Loading...