// collection.cpp

/**
*    Copyright (C) 2013 10gen Inc.
*
*    This program is free software: you can redistribute it and/or  modify
*    it under the terms of the GNU Affero General Public License, version 3,
*    as published by the Free Software Foundation.
*
*    This program 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 Affero General Public License for more details.
*
*    You should have received a copy of the GNU Affero General Public License
*    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*
*    As a special exception, the copyright holders give permission to link the
*    code of portions of this program with the OpenSSL library under certain
*    conditions as described in each individual source file and distribute
*    linked combinations including the program with the OpenSSL library. You
*    must comply with the GNU Affero General Public License in all respects for
*    all of the code used other than as permitted herein. If you modify file(s)
*    with this exception, you may extend this exception to your version of the
*    file(s), but you are not obligated to do so. If you do not wish to do so,
*    delete this exception statement from your version. If you delete this
*    exception statement from all source files in the program, then also delete
*    it in the license file.
*/

#include "mongo/db/structure/collection.h"

#include "mongo/db/database.h"
#include "mongo/db/namespace_details.h"
#include "mongo/db/storage/extent.h"
#include "mongo/db/storage/extent_manager.h"
#include "mongo/db/structure/collection_iterator.h"

namespace mongo {

    CollectionTemp::CollectionTemp( const StringData& fullNS,
                                    NamespaceDetails* details,
                                    Database* database ) {
        _ns = fullNS.toString();
        _details = details;
        _database = database;
        _magic = 1357924;
    }

    CollectionTemp::~CollectionTemp() {
        verify( ok() );
        _magic = 0;
    }

    CollectionIterator* CollectionTemp::getIterator( const DiskLoc& start, bool tailable,
                                                     const CollectionScanParams::Direction& dir) const {
        verify( ok() );
        if ( _details->isCapped() )
            return new CappedIterator( this, start, tailable, dir );
        return new FlatIterator( this, start, dir );
    }


    ExtentManager* CollectionTemp::getExtentManager() {
        verify( ok() );
        return &_database->getExtentManager();
    }

    const ExtentManager* CollectionTemp::getExtentManager() const {
        verify( ok() );
        return &_database->getExtentManager();
    }

}