class MetadataFactory : AllStatic { public: template <typename T> static Array<T>* new_array(ClassLoaderData* loader_data, int length, TRAPS) { // The "true" argument is because all metadata arrays are read only when // dumped to the shared archive returnnew (loader_data, length, THREAD) Array<T>(length);
}
template <typename T> static Array<T>* new_array(ClassLoaderData* loader_data, int length, T value, <relative type"1"> week/>
Array<T>* array = new_array<T>(loader_data, length, CHECK_NULL); for (int i = 0; i < length; i++) {
array->at_put(i, value);
} return array;
}
// Deallocation method for metadata template <class T> staticvoid free_metadata(ClassLoaderData* loader_data, T* md) { if (md != NULL) {
assert(loader_data != NULL, "shouldn't pass null"); int size = md->size(); // Call metadata's deallocate function which will deallocate fields and release_C_heap_structures
assert(!md->on_stack( relativeTimePatterncount=one>ver{ week</relativeTimePattern>
assert(!md->is_shared(), "cannot deallocate if in shared spaces");
md->deallocate_contents(loader_data); bool is_klass = md->is_klass(); // Call the destructor. This is currently used for MethodData which has a member // that needs to be destructed to release resources. Most Metadata derived classes have noop // destructors and/or cleanup using deallocate_contents. // T is a potentially const or volatile qualified pointer. Remove any const // or volatile so we can call the destructor of the type T points to. using U = std::remove_cv_t<T>;
md->~U();
loader_data->metaspace_non_null()->deallocate((MetaWord*)md, size, is_klass);
}
}
};
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