/*=============================================================================
# Filename: SigEntry.h
# Author: Bookug Lobert 
# Mail: zengli-bookug@pku.edu.cn
# Last Modified: 2016-04-11 13:48
# Description: written by liyouhuan and hanshuo
=============================================================================*/

#ifndef _SIGNATURE_SIGENTRY_H
#define _SIGNATURE_SIGENTRY_H

#include "../Util/Util.h"
#include "Signature.h"

class SigEntry
{
private:
	EntitySig sig;
	//-1 if not in leaf node
	TYPE_ENTITY_LITERAL_ID entity_id;
public:
	SigEntry();
	SigEntry(TYPE_ENTITY_LITERAL_ID _entity_id, EntityBitSet& _bitset);
	SigEntry(const SigEntry& _sig_entry);
	SigEntry(const EntitySig& sig, TYPE_ENTITY_LITERAL_ID _entity_id);
	const EntitySig& getEntitySig() const;
	TYPE_ENTITY_LITERAL_ID getEntityId() const;
	int getSigCount() const;
	SigEntry& operator=(const SigEntry _sig_entry);
	SigEntry& operator|=(const SigEntry _sig_entry);
	bool cover(const SigEntry& _sig_entry) const;
	bool cover(const EntitySig& _sig) const;
	int xEpsilen(const SigEntry& _sig_entry) const;
	int xOR(const SigEntry& _sig_entry) const;
	std::string to_str() const;
};

#endif // _SIGNATURE_SIGENTRY_H