Hybrid Query Processing Engine for Coprocessing in Database Systems
HyPE
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00001 00002 #include <config/configuration.hpp> 00003 00004 #include <core/algorithm.hpp> 00005 00006 #include <plugins/recomputation_heuristics/periodic_recomputation.hpp> 00007 00008 namespace hype{ 00009 namespace core{ 00010 00011 PeriodicRecomputation::PeriodicRecomputation() : RecomputationHeuristic_Internal("Periodic Recomputation"), counter_(0) { 00012 RecomputationHeuristicFactorySingleton::Instance().Register("Periodic Recomputation",&PeriodicRecomputation::create); 00013 } 00014 00015 bool PeriodicRecomputation::internal_recompute(Algorithm& algorithm){ 00016 00017 //std::cout << algorithm.getName() << std::endl; 00018 //algorithm. 00019 assert(algorithm.getName()!=""); 00020 //static unsigned int counter=0; 00021 counter_++; 00022 if(counter_>=Runtime_Configuration::instance().getRecomputationPeriod()){ //Configuration::period_for_periodic_recomputation){ 00023 counter_=0; 00024 return true; 00025 } 00026 return false; 00027 } 00028 00029 }; //end namespace core 00030 }; //end namespace hype 00031