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model_values.cc
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model_values.cc
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#include "drake/systems/framework/model_values.h"
#include <memory>
#include <vector>
namespace drake {
namespace systems {
namespace internal {
int ModelValues::size() const {
return static_cast<int>(values_.size());
}
void ModelValues::AddModel(
int index, std::unique_ptr<AbstractValue> model_value) {
// Grow the values_ so that our new model will live at @p index.
DRAKE_DEMAND(index >= size());
values_.resize(index);
values_.emplace_back(std::move(model_value));
}
std::unique_ptr<AbstractValue> ModelValues::CloneModel(int index) const {
if (index < size()) {
const AbstractValue* const model_value = values_[index].get();
if (model_value != nullptr) {
std::unique_ptr<AbstractValue> result = model_value->Clone();
DRAKE_DEMAND(result.get() != nullptr);
return result;
}
}
return nullptr;
}
} // namespace internal
} // namespace systems
} // namespace drake