Mercurial > hg > orthanc
view Core/MultiThreading/ArrayFilledByThreads.cpp @ 779:76eb563f08f0 lua-scripting
improvements
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 30 Apr 2014 18:10:16 +0200 |
parents | 0cd977e94479 |
children | a811bdf8b8eb |
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#include "ArrayFilledByThreads.h" #include "../MultiThreading/ThreadedCommandProcessor.h" #include "../OrthancException.h" namespace Orthanc { class ArrayFilledByThreads::Command : public ICommand { private: ArrayFilledByThreads& that_; size_t index_; public: Command(ArrayFilledByThreads& that, size_t index) : that_(that), index_(index) { } virtual bool Execute() { std::auto_ptr<IDynamicObject> obj(that_.filler_.GetFillerItem(index_)); if (obj.get() == NULL) { return false; } else { boost::mutex::scoped_lock lock(that_.mutex_); that_.array_[index_] = obj.release(); return true; } } }; void ArrayFilledByThreads::Clear() { for (size_t i = 0; i < array_.size(); i++) { if (array_[i]) delete array_[i]; } array_.clear(); filled_ = false; } void ArrayFilledByThreads::Update() { if (!filled_) { array_.resize(filler_.GetFillerSize()); Orthanc::ThreadedCommandProcessor processor(threadCount_); for (size_t i = 0; i < array_.size(); i++) { processor.Post(new Command(*this, i)); } processor.Join(); filled_ = true; } } ArrayFilledByThreads::ArrayFilledByThreads(IFiller& filler) : filler_(filler) { filled_ = false; threadCount_ = 4; } ArrayFilledByThreads::~ArrayFilledByThreads() { Clear(); } void ArrayFilledByThreads::Reload() { Clear(); Update(); } void ArrayFilledByThreads::Invalidate() { Clear(); } void ArrayFilledByThreads::SetThreadCount(unsigned int t) { if (t < 1) { throw OrthancException(ErrorCode_ParameterOutOfRange); } threadCount_ = t; } size_t ArrayFilledByThreads::GetSize() { Update(); return array_.size(); } IDynamicObject& ArrayFilledByThreads::GetItem(size_t index) { if (index >= GetSize()) { throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); } return *array_[index]; } }