/*
 * ResourceHolder.cpp
 *
 *  Created on: 22 нояб. 2018 г.
 *      Author: titov
 */

#include "ResourceHolder.hpp"

systemic::ResourceHolder::ResourceHolder( std::size_t max_size,
                                          std::pmr::memory_resource* record_allocator,
                                          std::pmr::memory_resource* record_guard_allocator,
                                          NotificationInterface & herald )
    : size_limit(max_size),
      record_allocator(record_allocator),
      record_guard_allocator(record_guard_allocator ? record_guard_allocator : record_allocator),
      records( std::less< ResourceRecord::Info >(),
               std::pmr::polymorphic_allocator< ResourceRecord::Data >(record_allocator) ),
      herald(herald) {}

void * systemic::ResourceHolder::getRecord( const std::type_info & obj_type, Id id, Tag tag ) {

    ResourceRecord::Info record_info(&obj_type, id, tag);

    ResourceRecordMap::iterator iter = records.find(record_info);

    if( iter != records.end() )
        return iter->second;

    else
        return nullptr;

}