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#include "task.h"

#include <unistd.h>
#include <iostream>

Task::Task(const std::vector<std::string>& depends)
	: dependsStr(depends)
{
}

void Task::registerDepTasks(const std::list<std::shared_ptr<Task>>& tasks)
{
	for(auto const& depStr : dependsStr)
	{
		for(const auto& task : tasks)
		{
			if(task->target() == depStr)
			{
				dependsTasks.push_back(task);
			}
		}
	}
}

bool Task::dirty()
{
	for(const auto& task : dependsTasks)
	{
		if(task->dirty())
		{
			return true;
		}
	}

	return dirtyInner();
}

bool Task::ready()
{
	for(const auto& task : dependsTasks)
	{
		if(task->dirty() && !task->done())
		{
			return false;
		}
	}

	return true;
}

int Task::run()
{
	if(is_done.load())
	{
		return 0;
	}

	auto ret = runInner();
	if(ret == 0)
	{
		is_done.store(true);
	}

	return ret;
}

bool Task::done() const
{
	return is_done.load();
}