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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
namespace search::tensor {
/**
* Interface that is used to load a nearest neighbor index from binary form.
*/
class NearestNeighborIndexLoader {
public:
virtual ~NearestNeighborIndexLoader() {}
/**
* Loads the next part of the index (e.g. the node corresponding to a given document)
* and returns whether there is more data to load.
*
* This might throw std::runtime_error.
*/
virtual bool load_next() = 0;
};
}
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