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#ifndef CACHE_IFACE_H

#define CACHE_IFACE_H



#include <string>

#include <set>

#include "archive.h"

#include "base_cache.h"



namespace cppcms {



using namespace std;



class worker_thread;

class cache_iface {

	worker_thread *cms;

	set<string> triggers;

public:

	void reset() { triggers.clear(); };

	cache_iface(worker_thread *w) : cms (w) {};

	bool fetch_page(string const &key);

	void store_page(string const &key,int timeout=-1);

	void rise(string const &trigger);

	void add_trigger(string const &trigger);

	bool fetch_frame(string const &key,string &result,bool notriggers=false);

	void store_frame(string const &key,

			 string const &frame,

			 set<string> const &triggers=set<string>(),

			 int timeout=-1,

			 bool notriggers=false);

	void store_frame(string const &key,

			 string const &frame,

			 int timeout,

			 bool notriggers=false)

	{

		store_frame(key,frame,set<string>(),timeout,notriggers);

	}

	bool fetch_data(string const &key,serializable &data,bool notriggers=false);

	void store_data(string const &key,serializable const &data,

			set<string> const &triggers=set<string>(),

			int timeout=-1,bool notriggers=false);

	void store_data(string const &key,serializable const &data,int timeout,bool notriggers=false)

	{

		store_data(key,data,set<string>(),timeout,notriggers);

	}

	void clear();

	bool stats(unsigned &keys,unsigned &triggers);



};



void deflate(string const &text,ostream &stream,long level,long length);

string deflate(string const &text,long level,long length);



class cache_factory {

public:

	virtual base_cache *get() const { return NULL; };

	virtual void del(base_cache *p) const { };

	virtual ~cache_factory() {};

};





}



#endif
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