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GElementManager.cpp
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224 lines (170 loc) · 6.34 KB
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/***************************
@Author: Chunel
@Contact: chunel@foxmail.com
@File: GElementManager.cpp
@Time: 2021/6/2 10:33 下午
@Desc:
***************************/
#include "GElementManager.h"
CGRAPH_NAMESPACE_BEGIN
GElementManager::GElementManager() : CObject() {
}
GElementManager::~GElementManager() = default;
GElementManager::GElementManager(const GElementManager& manager) {
this->manager_elements_ = manager.manager_elements_;
}
GElementManager& GElementManager::operator=(const GElementManager& manager) {
if (this == &manager) {
return (*this);
}
this->manager_elements_ = manager.manager_elements_;
return (*this);
}
CStatus GElementManager::init() {
CGRAPH_FUNCTION_BEGIN
status = preRunCheck();
CGRAPH_FUNCTION_CHECK_STATUS
status = analyse();
CGRAPH_FUNCTION_CHECK_STATUS
for (GElementPtr element : manager_elements_) {
CGRAPH_ASSERT_NOT_NULL(element)
status = element->doAspect(GAspectType::BEGIN_INIT);
CGRAPH_FUNCTION_CHECK_STATUS
status = element->init();
element->doAspect(GAspectType::FINISH_INIT, status);
CGRAPH_FUNCTION_CHECK_STATUS
}
CGRAPH_FUNCTION_END
}
CStatus GElementManager::deinit() {
CGRAPH_FUNCTION_BEGIN
for (GElementPtr element : manager_elements_) {
CGRAPH_ASSERT_NOT_NULL(element)
status = element->doAspect(GAspectType::BEGIN_DEINIT);
CGRAPH_FUNCTION_CHECK_STATUS
status = element->deinit();
element->doAspect(GAspectType::FINISH_DEINIT, status);
CGRAPH_FUNCTION_CHECK_STATUS
}
CGRAPH_FUNCTION_END
}
/**
* 无法执行manager的run方法
* @return
*/
CStatus GElementManager::run() {
CGRAPH_NO_SUPPORT
}
CStatus GElementManager::preRunCheck() {
CGRAPH_FUNCTION_BEGIN
/**
* 认定图可以连通的判定条件：
* 1，当前节点仅有一个依赖
* 2，当前节点依赖的节点，只有一个后继
* 3，当前节点的依赖的后继，仍是当前节点
*/
for (GElement* element : manager_elements_) {
if (1 == element->dependence_.size()
&& 1 == (*element->dependence_.begin())->run_before_.size()
&& (*(element->dependence_.begin()))->run_before_.find(element) != (*(element->dependence_.begin()))->run_before_.end()) {
element->linkable_ = true;
}
}
CGRAPH_FUNCTION_END
}
CStatus GElementManager::analyse() {
CGRAPH_FUNCTION_BEGIN
int runElementSize = 0;
int totalElementSize = (int)manager_elements_.size();
para_cluster_arrs_.clear();
GClusterArr curClusterArr; // 记录每一层，可以并行的逻辑
for (GElementPtr element : manager_elements_) {
if (!element->isRunnable() || element->isLinkable()) {
continue;
}
GCluster curCluster;
GElementPtr curElement = element;
curCluster.addElement(curElement);
/* 将linkable的节点，统一放到一个cluster中 */
while (1 == curElement->run_before_.size()
&& (*curElement->run_before_.begin())->isLinkable()) {
// 将下一个放到cluster中处理
curElement = (*curElement->run_before_.begin());
curCluster.addElement(curElement);
}
curClusterArr.emplace_back(curCluster);
}
para_cluster_arrs_.emplace_back(curClusterArr);
GClusterArr runnableClusterArr;
while (!curClusterArr.empty() && runElementSize <= totalElementSize) {
runnableClusterArr = curClusterArr;
curClusterArr.clear();
for (GClusterRef cluster : runnableClusterArr) {
status = cluster.process(true); // 不执行run方法的process
CGRAPH_FUNCTION_CHECK_STATUS
}
runElementSize += (int)runnableClusterArr.size();
GElementPtrSet duplications;
for (GClusterRef cluster : runnableClusterArr) {
for (GElementPtr element : cluster.cluster_elements_) {
for (GElementPtr cur : element->run_before_) {
/**
* 判断element是否需要被加入
* 1，该元素是可以执行的
* 2，改元素本次循环是第一次被遍历
*/
if (cur->isRunnable() && duplications.end() == duplications.find(cur)) {
GCluster curCluster;
GElementPtr curElement = cur;
curCluster.addElement(curElement);
duplications.insert(curElement);
while (1 == curElement->run_before_.size()
&& (*curElement->run_before_.begin())->isLinkable()) {
curElement = (*curElement->run_before_.begin());
curCluster.addElement(curElement);
duplications.insert(curElement);
}
curClusterArr.emplace_back(curCluster);
}
}
}
}
/* 为空的话，直接退出循环；不为空的话，放入para信息中 */
if (!curClusterArr.empty()) {
para_cluster_arrs_.emplace_back(curClusterArr);
}
}
CGRAPH_FUNCTION_END
}
CStatus GElementManager::afterRunCheck(int runNodeSize) {
CGRAPH_FUNCTION_BEGIN
/* 验证是否所有的内容均被执行过 */
if (runNodeSize != manager_elements_.size()) {
return CStatus("pipeline run element size check failed...");
}
/* 需要验证每个cluster里的每个内容是否被执行过一次 */
for (GClusterArrRef clusterArr : para_cluster_arrs_) {
for (GClusterRef cluster : clusterArr) {
if (!cluster.isElementsDone()) {
return CStatus("pipeline done status check failed...");
}
}
}
CGRAPH_FUNCTION_END
}
CStatus GElementManager::addElement(GElementPtr element) {
CGRAPH_FUNCTION_BEGIN
CGRAPH_ASSERT_NOT_NULL(element)
this->manager_elements_.emplace(element);
CGRAPH_FUNCTION_END
}
bool GElementManager::hasElement(GElementPtr element) const {
if (nullptr == element) {
return false;
}
return manager_elements_.end() != manager_elements_.find(element);
}
void GElementManager::deleteElement(GElementPtr element) {
manager_elements_.erase(element);
}
CGRAPH_NAMESPACE_END