CacheModel.h

// Copyright eeGeo Ltd (2012-2014), All Rights Reserved

#pragma once

#include "Types.h"
#include "Cache.h"
#include "CacheRecord.h"
#include <string>
#include <map>
#include <vector>
#include <utility>

namespace Eegeo
{
    namespace Web
    {
        namespace Cache
        {
            class CacheModel
            {
            public:
                CacheModel();
                virtual ~CacheModel();

                void Clear();
                bool ContainsUrl(const std::string& url) const;
                bool TryGetCacheRecord(const std::string& url, CacheRecord& out_cacheRecord) const;
                void Insert(const CacheRecord& cacheRecord);
                bool Remove(const std::string& url);
                bool ReplaceOrInsert(const CacheRecord& cacheRecord);

                void GetCacheRecords(std::vector<CacheRecord>& cacheRecords) const;
                size_t GetNumOfRecords() const;

            private:
                typedef std::map<std::string, CacheRecord> TUrlToCacheRecordMap;
                typedef std::pair<std::string, CacheRecord> TUrlCacheRecordPair;
                TUrlToCacheRecordMap m_cacheRecordsByUrl;

                size_t GetSizeOnDisk() const;
            };
        }
    }
}