jpedroantunes commented on a change in pull request #10465:
URL: https://github.com/apache/arrow/pull/10465#discussion_r667844965
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File path: cpp/src/gandiva/cache.h
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@@ -34,26 +35,29 @@ void LogCacheSize(size_t capacity);
template <class KeyType, typename ValueType>
class Cache {
public:
- explicit Cache(size_t capacity) : cache_(capacity) { LogCacheSize(capacity);
}
+ explicit Cache(size_t capacity) {
+ this->cache_ = std::make_unique<GreedyDualSizeCache<KeyType,
ValueType>>(capacity);
+ LogCacheSize(capacity);
+ }
Cache() : Cache(GetCapacity()) {}
ValueType GetModule(KeyType cache_key) {
- arrow::util::optional<ValueType> result;
+ arrow::util::optional<ValueCacheObject<ValueType>> result;
mtx_.lock();
- result = cache_.get(cache_key);
+ result = (*cache_).get(cache_key);
mtx_.unlock();
- return result != arrow::util::nullopt ? *result : nullptr;
+ return result != arrow::util::nullopt ? (*result).module : nullptr;
}
- void PutModule(KeyType cache_key, ValueType module) {
+ void PutModule(KeyType cache_key, ValueCacheObject<ValueType>
valueCacheObject) {
mtx_.lock();
- cache_.insert(cache_key, module);
+ (*cache_).insert(cache_key, valueCacheObject);
mtx_.unlock();
}
private:
- LruCache<KeyType, ValueType> cache_;
+ std::unique_ptr<GreedyDualSizeCache<KeyType, ValueType>> cache_;
Review comment:
Before that, we were going to use cache of different types. Since, we
not need it anymore I will change it!
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