joingrp.h

/* libIXAml - IXA Taldea */

#ifndef _JOINGRP_H
#define _JOINGRP_H

#include "join.h"
#include "joingrptype.h"
#include "xmlsimplestruct.h"
#include <vector>

class JoinGrp {
  JoinGrpType joinGrpT;  // Join multzoaren mota
  std::vector <Join> jg;    // Join lista duen bektorea
  unsigned ind;        // Hasierakoa() zein posizio erakutsi 
  
  void printErrorea (char*, XMLSimpleNode*) const;
 public:

  JoinGrp();

  JoinGrp(const JoinGrpType & type);

  JoinGrp(const JoinGrp & joinGrp);

  JoinGrp& operator=( const JoinGrp & jGrp);

  bool operator==(const JoinGrp & jGrp) const;

  bool operator <  (const JoinGrp & jGrp) const;

  bool operator <= (const JoinGrp & jGrp) const;

  bool operator >  (const JoinGrp & jGrp) const;
  
  bool operator >= (const JoinGrp & jGrp) const;

  void putType(const JoinGrpType & joinGrpT);

  JoinGrpType getType() const;

  void begin();

  void next();

  Join current() const;

  bool ready() const;

  unsigned size() const;
  
  bool contains(const JoinId & id) const;
 
  Join get(const unsigned pos) const;
  
  Join get(const JoinId & id) const;

  void add(const  Join & join);

  void remove(const Join & join);

  /* ** BILAKETAK ********************************************************** */
  /* 1. -> Targets-en artean id duten joinak bilatu eta itzuli               */
  /* 2. -> Targets-en artean ind posizioan id duten joinak bilatu eta itzuli */
  /* 3. -> Targets-en arten ind1 posizioan id duten joinen ind2 Idak itzuli  */
  /* *********************************************************************** */

  std::vector<Join> find (const Id & id) const;

  std::vector<Join> find (const TargetName & name, const Id & id) const;

  std::vector<Id> find (const TargetName & n1, const Id & id1, const TargetName & nResult) const;

  std::vector<Join> find (const unsigned int & pos, const Id & id) const;
  
  std::vector<Id> find (const unsigned int & pos1, const Id & id1, const unsigned int & pos2) const;

  XMLSimpleNode* toXML(XMLSimpleStruct* xmlstruct) const;           // JoinG -> LT_NSL <JOINGRP> ... </JOINGRP>

  void init(XMLSimpleNode* joinGrpItem) throw (char*);   // <JOINGRP> ... </BODY> -> JoinG
                                        // char* salbuespena altxa dezake itemen informazio
                                        // falta edo erreferentzi erroreak badaude
};
#endif //_JOINGRP_H

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