Cache.hh

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#ifndef CASM_Cache
#define CASM_Cache
 
#include <string>
 
#include "casm/casm_io/json/jsonParser.hh"
 
namespace CASM {
 
namespace DB {
 
class Cache {
 public:
  Cache() : m_cache_updated(false) {}
 
  template <typename T>
  void cache_insert(std::string name, const T &data) const {
    if (!m_cache.contains(name)) {
      m_cache[name] = data;
      m_cache_updated = true;
    }
  }
 
  void set_initial_cache(jsonParser const &_cache) {
    m_cache = _cache;
    m_cache_updated = false;
  }
 
  void update_cache(jsonParser const &_cache) {
    m_cache = _cache;
    m_cache_updated = true;
  }
 
  const jsonParser &cache() const { return m_cache; }
 
  bool cache_updated() const { return m_cache_updated; }
 
  void cache_clear() const {
    m_cache.put_obj();
    m_cache_updated = true;
  }
 
 protected:
  jsonParser &cache() { return m_cache; }
 
 private:
  mutable jsonParser m_cache;
  mutable bool m_cache_updated;
};
}  // namespace DB
 
}  // namespace CASM
 
#endif