00001 /* 00002 // $Id: //open/dev/fennel/device/ThreadPoolScheduler.h#10 $ 00003 // Fennel is a library of data storage and processing components. 00004 // Copyright (C) 2005-2009 The Eigenbase Project 00005 // Copyright (C) 2005-2009 SQLstream, Inc. 00006 // Copyright (C) 2005-2009 LucidEra, Inc. 00007 // Portions Copyright (C) 1999-2009 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_ThreadPoolScheduler_Included 00025 #define Fennel_ThreadPoolScheduler_Included 00026 00027 #include "fennel/synch/ThreadPool.h" 00028 #include "fennel/device/DeviceAccessScheduler.h" 00029 #include "fennel/device/RandomAccessRequest.h" 00030 00031 FENNEL_BEGIN_NAMESPACE 00032 00037 class FENNEL_DEVICE_EXPORT ThreadPoolScheduler 00038 : public DeviceAccessScheduler 00039 { 00040 ThreadPool<RandomAccessRequest> pool; 00041 00042 public: 00046 explicit ThreadPoolScheduler(DeviceAccessSchedulerParams const &); 00047 00051 virtual ~ThreadPoolScheduler(); 00052 00053 // ---------------------------------------------------------------------- 00054 // Implementation of DeviceAccessScheduler interface (q.v.) 00055 // ---------------------------------------------------------------------- 00056 virtual bool schedule(RandomAccessRequest &request); 00057 virtual void stop(); 00058 }; 00059 00060 FENNEL_END_NAMESPACE 00061 00062 #endif 00063 00064 // End ThreadPoolScheduler.h