ClickHouse/src/Common/FileUpdatesTracker.h
2020-04-03 18:14:31 +03:00

37 lines
602 B
C++

#pragma once
#include <Poco/File.h>
#include <Poco/Timestamp.h>
#include <string>
class FileUpdatesTracker
{
private:
std::string path;
Poco::Timestamp known_time;
public:
FileUpdatesTracker(const std::string & path_)
: path(path_)
, known_time(0)
{}
bool isModified() const
{
return getLastModificationTime() > known_time;
}
void fixCurrentVersion()
{
known_time = getLastModificationTime();
}
private:
Poco::Timestamp getLastModificationTime() const
{
return Poco::File(path).getLastModified();
}
};