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[apps/shared/continuous_function_store] Factor numberOfActiveFunctionsOfType and activeRecordOfTypeAtIndex

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This commit is contained in:
Ruben Dashyan
2019-09-10 11:50:49 +02:00
committed by LeaNumworks
parent 56a3fcfacb
commit d2b8e4865c
2 changed files with 10 additions and 28 deletions
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26
apps/graph/continuous_function_store.cpp
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@@ -9,32 +9,6 @@ using namespace Shared;
namespace Graph {
int ContinuousFunctionStore::numberOfActiveFunctionsOfType(ContinuousFunction::PlotType plotType) const {
int count = 0;
for (int i = 0; i < numberOfActiveFunctions(); i++) {
Ion::Storage::Record record = activeRecordAtIndex(i);
ExpiringPointer<ContinuousFunction> function = modelForRecord(record);
count += (plotType == function->plotType());
}
return count;
}
Ion::Storage::Record ContinuousFunctionStore::activeRecordOfTypeAtIndex(ContinuousFunction::PlotType plotType, int index) const {
int count = 0;
Ion::Storage::Record record;
for (int i = 0; i < numberOfActiveFunctions(); i++) {
record = activeRecordAtIndex(i);
ExpiringPointer<ContinuousFunction> function = modelForRecord(record);
if (plotType == function->plotType()) {
if (count == index) {
break;
}
count++;
}
}
return record;
}
Ion::Storage::Record::ErrorStatus ContinuousFunctionStore::addEmptyModel() {
Ion::Storage::Record::ErrorStatus error;
ContinuousFunction newModel = ContinuousFunction::NewModel(&error);

12
apps/graph/continuous_function_store.h
View File

@@ -8,14 +8,22 @@ namespace Graph {
class ContinuousFunctionStore : public Shared::FunctionStore {
public:
int numberOfActiveFunctionsOfType(Shared::ContinuousFunction::PlotType plotType) const {
return numberOfModelsSatisfyingTest(&isFunctionActiveOfType, &plotType);
}
Ion::Storage::Record activeRecordOfTypeAtIndex(Shared::ContinuousFunction::PlotType plotType, int i) const {
return recordSatisfyingTestAtIndex(i, &isFunctionActiveOfType, &plotType);
}
Shared::ExpiringPointer<Shared::ContinuousFunction> modelForRecord(Ion::Storage::Record record) const { return Shared::ExpiringPointer<Shared::ContinuousFunction>(static_cast<Shared::ContinuousFunction *>(privateModelForRecord(record))); }
int numberOfActiveFunctionsOfType(Shared::ContinuousFunction::PlotType plotType) const;
Ion::Storage::Record activeRecordOfTypeAtIndex(Shared::ContinuousFunction::PlotType plotType, int index) const;
private:
Ion::Storage::Record::ErrorStatus addEmptyModel() override;
const char * modelExtension() const override { return Ion::Storage::funcExtension; }
Shared::ExpressionModelHandle * setMemoizedModelAtIndex(int cacheIndex, Ion::Storage::Record record) const override;
Shared::ExpressionModelHandle * memoizedModelAtIndex(int cacheIndex) const override;
static bool isFunctionActiveOfType(Shared::ExpressionModelHandle * model, void * context) {
Shared::ContinuousFunction::PlotType plotType = *static_cast<Shared::ContinuousFunction::PlotType *>(context);
return isFunctionActive(model, context) && plotType == static_cast<Shared::ContinuousFunction *>(model)->plotType();
}
mutable Shared::ContinuousFunction m_functions[k_maxNumberOfMemoizedModels];
};