QueryCache.h

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//
// Created by "Nico Schaefer" on 1/17/17.
//
 
#ifndef JODA_QUERYCACHE_H
#define JODA_QUERYCACHE_H
 
#include <joda/document/RapidJsonDocument.h>
#include <joda/query/predicate/Predicate.h>
#include <unordered_map>
#include "../../../src/cache/CacheEntry.h"
 
class QueryCache {
 public:
  std::shared_ptr<const CacheEntry::CacheIndex> getBestCache(
      const std::shared_ptr<joda::query::Predicate> &pred);
 
  std::shared_ptr<const CacheEntry::CacheIndex> getBestCache(
      const std::unique_ptr<joda::query::Predicate> &pred);
  std::shared_ptr<const CacheEntry::CacheIndex> getBestCache(
      const std::string &predStr);
  bool cacheAvailable(const std::shared_ptr<joda::query::Predicate> &pred);
  bool cacheAvailable(const std::string &predStr);
  void addQueryResult(std::unique_ptr<CacheEntry> &&ce);
  void addQueryResult(std::shared_ptr<const CacheEntry::CacheIndex> docs,
                      const std::shared_ptr<joda::query::Predicate> &predicate);
 
  void reset();
 
 protected:
  std::unordered_map<std::string, std::unique_ptr<CacheEntry>> queryMap;
};
 
#endif  // JODA_QUERYCACHE_H