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/*
* This file is part of rasdaman community.
*
* Rasdaman community is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with rasdaman community. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
/
/**
* SOURCE: persmddcolliter.cc
*
* MODULE: cachetamgr
* CLASS: MDDCollIter
*
* COMMENTS:
* none
*
*/
#include <iostream>
#include "mddcolliter.hh"
#include "mddcoll.hh"
#include "mddobj.hh"
#include "relmddif/dbmddobj.hh"
#include "relmddif/dbmddset.hh"
#include "reladminif/dbobjectiditerator.hh"
#include "raslib/rmdebug.hh"
MDDCollIter::MDDCollIter(MDDColl* targetColl)
: dbIter(0),
persColl(targetColl)
{
RMDBGONCE(2, RMDebug::module_mddmgr, "MDDCollIter", "MDDCollIter(" << targetColl->getName() << ")");
dbColl = targetColl->getDBMDDSet();
dbIter = dbColl->newIterator();
}
void
MDDCollIter::printStatus(unsigned int level, ostream& stream) const
{
stream << " MDDCollIter printStatus: " ;
}
MDDObj*
MDDCollIter::getElement() const
{
RMDBGENTER(2, RMDebug::module_mddmgr, "MDDCollIter", "getElement()");
// Initialization to null: make sure null pointer is returned if the
// collection is empty or if the iterator has come to the end already
MDDObj* persEl = NULL;
if (dbIter->not_done())
{
DBMDDObjId el = dbIter->get_element();
if (!el.is_null())
{
persEl = persColl->getMDDObj((DBMDDObj*)el);
}
}
// persEl is null if there is nothing to return
RMDBGEXIT(2, RMDebug::module_mddmgr, "MDDCollIter", "getElement() " << (r_Ptr)persEl);
return persEl;
}
void
MDDCollIter::reset()
{
RMDBGONCE(2, RMDebug::module_mddmgr, "MDDCollIter", "reset()");
dbIter->reset();
}
bool
MDDCollIter::notDone() const
{
RMDBGONCE(2, RMDebug::module_mddmgr, "MDDCollIter", "notDone()");
return dbIter->not_done();
}
void
MDDCollIter::advance()
{
RMDBGONCE(2, RMDebug::module_mddmgr, "MDDCollIter", "advance()");
dbIter->advance();
}
MDDCollIter::~MDDCollIter()
{
RMDBGONCE(2, RMDebug::module_mddmgr, "MDDCollIter", "~MDDCollIter()");
delete dbIter;
dbIter = NULL;
}
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