00001 /* 00002 // $Id: //open/dev/fennel/sorter/ExternalSortTask.h#2 $ 00003 // Fennel is a library of data storage and processing components. 00004 // Copyright (C) 2005-2009 The Eigenbase Project 00005 // Copyright (C) 2009-2009 SQLstream, Inc. 00006 // Copyright (C) 2004-2009 LucidEra, Inc. 00007 // Portions Copyright (C) 2004-2009 John V. Sichi 00008 // 00009 // This program is free software; you can redistribute it and/or modify it 00010 // under the terms of the GNU General Public License as published by the Free 00011 // Software Foundation; either version 2 of the License, or (at your option) 00012 // any later version approved by The Eigenbase Project. 00013 // 00014 // This program is distributed in the hope that it will be useful, 00015 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00017 // GNU General Public License for more details. 00018 // 00019 // You should have received a copy of the GNU General Public License 00020 // along with this program; if not, write to the Free Software 00021 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00022 */ 00023 00024 #ifndef Fennel_ExternalSortTask_Included 00025 #define Fennel_ExternalSortTask_Included 00026 00027 FENNEL_BEGIN_NAMESPACE 00028 00029 class ExternalSortExecStreamImpl; 00030 class ExternalSortRunLoader; 00031 00038 class FENNEL_SORTER_EXPORT ExternalSortTask 00039 { 00043 ExternalSortExecStreamImpl &sortStream; 00044 00048 ExternalSortRunLoader &runLoader; 00049 00050 public: 00051 explicit ExternalSortTask( 00052 ExternalSortExecStreamImpl &sortStreamInit, 00053 ExternalSortRunLoader &runLoaderInit) 00054 : sortStream(sortStreamInit), 00055 runLoader(runLoaderInit) 00056 { 00057 } 00058 00064 void execute(); 00065 }; 00066 00067 FENNEL_END_NAMESPACE 00068 00069 #endif 00070 00071 // End ExternalSortTask.h