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00001 /********************************************************************* 00002 * Software License Agreement (BSD License) 00003 * 00004 * Copyright (c) 2010, Willow Garage, Inc. 00005 * All rights reserved. 00006 * 00007 * Redistribution and use in source and binary forms, with or without 00008 * modification, are permitted provided that the following conditions 00009 * are met: 00010 * 00011 * * Redistributions of source code must retain the above copyright 00012 * notice, this list of conditions and the following disclaimer. 00013 * * Redistributions in binary form must reproduce the above 00014 * copyright notice, this list of conditions and the following 00015 * disclaimer in the documentation and/or other materials provided 00016 * with the distribution. 00017 * * Neither the name of the Willow Garage nor the names of its 00018 * contributors may be used to endorse or promote products derived 00019 * from this software without specific prior written permission. 00020 * 00021 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00022 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00023 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 00024 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 00025 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 00026 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 00027 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00028 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00029 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 00030 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 00031 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 00032 * POSSIBILITY OF SUCH DAMAGE. 00033 *********************************************************************/ 00034 00035 #ifndef _DB_TASK_H_ 00036 #define _DB_TASK_H_ 00037 00038 #include <iostream> 00039 00040 #include "DBPlanner/task.h" 00041 00042 namespace db_planner { 00043 class DatabaseManager; 00044 } 00045 00046 namespace graspit_dbase_tasks { 00047 00048 class DBTaskDispatcher; 00049 00051 00079 class DBTask { 00080 public: 00081 enum Status{RUNNING, ERROR, DONE}; 00082 protected: 00084 Status mStatus; 00085 00087 DBTaskDispatcher* mDispatcher; 00088 00090 00091 db_planner::DatabaseManager *mDBMgr; 00092 00094 db_planner::TaskRecord mRecord; 00095 00096 public: 00097 DBTask(DBTaskDispatcher *disp, db_planner::DatabaseManager *mgr, db_planner::TaskRecord rec) 00098 : mDispatcher(disp), mDBMgr(mgr), mRecord(rec) {}; 00099 00100 virtual ~DBTask(){} 00101 00102 virtual void start() = 0; 00103 00104 virtual void mainLoop() {} 00105 00107 Status getStatus(){return mStatus;} 00108 00110 db_planner::TaskRecord getRecord(){return mRecord;} 00111 }; 00112 00114 00116 class DBEmptyTask : public DBTask 00117 { 00118 public: 00119 DBEmptyTask(DBTaskDispatcher *disp, db_planner::DatabaseManager *mgr, db_planner::TaskRecord rec) : 00120 DBTask(disp, mgr, rec) {} 00121 ~DBEmptyTask(){} 00122 void start(){std::cout << "Started simple task\n"; mStatus = RUNNING;} 00123 void mainLoop(){std::cout << "Finished simple task\n"; mStatus = DONE;} 00124 }; 00125 00127 00129 class DBEmptyOneShotTask : public DBTask 00130 { 00131 public: 00132 DBEmptyOneShotTask(DBTaskDispatcher *disp, db_planner::DatabaseManager *mgr, db_planner::TaskRecord rec) : 00133 DBTask(disp, mgr, rec) {} 00134 ~DBEmptyOneShotTask(){} 00135 void start(){std::cout << "Started and finished one-shot simple task\n"; mStatus = DONE;} 00136 }; 00137 00138 } 00139 00140 #endif