CMakePackageFinderCache.cpp

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#include "CMakePackageFinderCache.h"
 
namespace armarx
{
    CMakePackageFinderCache CMakePackageFinderCache::GlobalCache;
 
    CMakePackageFinderCache::CMakePackageFinderCache(const CMakePackageFinderCache& s) :
        packageFinders(s.packageFinders), timeout(s.timeout)
    {
    }
 
    CMakePackageFinderCache::CMakePackageFinderCache(IceUtil::Time timeout) : timeout(timeout)
    {
    }
 
    const CMakePackageFinder&
    CMakePackageFinderCache::findPackage(const std::string& packageName,
                                         const std::filesystem::path& packagePath,
                                         bool suppressStdErr,
                                         bool usePackagePathOnlyAsHint)
    {
        std::unique_lock lock(mutex);
        auto it = packageFinders.find(packageName);
        if (it != packageFinders.end())
        {
            if ((IceUtil::Time::now() - it->second.first) > timeout)
            {
                it->second.second = CMakePackageFinder(
                    packageName, packagePath, suppressStdErr, usePackagePathOnlyAsHint);
                it->second.first = IceUtil::Time::now();
            }
            return it->second.second;
        }
        else
        {
            auto insertion = packageFinders.insert(std::make_pair(
                packageName,
                std::make_pair(IceUtil::Time::now(), CMakePackageFinder(packageName))));
            return insertion.first->second.second;
        }
    }
} // namespace armarx