OQLBE.cc

/* 
   EyeDB Object Database Management System
   Copyright (C) 1994-2008 SYSRA
   
   EyeDB is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.
   
   EyeDB is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.
   
   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, write to the Free Software
   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA 
*/

/*
   Author: Eric Viara <viara@sysra.com>
*/



#include "eyedb_p.h"
#include "OQLBE.h"
#include "OQLBEIterator.h"
#include "BEQueue.h"

namespace eyedb {

LinkedList *OQLBE::def_cl_list;

OQLBE::OQLBE(Database *db, DbHandle *dbh, const char *qstr)
{
  qiter = new OQLBEIteratorOQL(db, dbh, qstr);

  status = qiter->getStatus();

  if (status == Success)
    qid = db->getBEQueue()->addOQL(this);

  schema_info = 0;
}

Status
OQLBE::getStatus() const
{
  return status;
}

SchemaInfo *
OQLBE::getSchemaInfo()
{
  if (!schema_info && qiter)
    schema_info = new SchemaInfo(((OQLBEIteratorOQL *)qiter)->
                                getSchemaInfo());
  return schema_info;
}

Status
OQLBE::getResult(Value *value)
{
  IDB_CHECK_INTR();

  if (qiter)
    return qiter->getResult(value);

  return Success;
}


OQLBE::~OQLBE()
{
  delete qiter;
  delete schema_info;
}
}

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