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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
#include <vespa/vespalib/datastore/atomic_entry_ref.h>
#include <vespa/vespalib/datastore/entryref.h>
#include <vespa/vespalib/stllike/allocator.h>
#include <vespa/vespalib/util/rcuvector.h>
#include <vector>
namespace search::attribute {
using EntryRefVector = std::vector<vespalib::datastore::EntryRef, vespalib::allocator_large<vespalib::datastore::EntryRef>>;
/*
* Create a vector of entry refs from an rcu vector containing atomic
* entry refs. The new vector can be used by a flush thread while
* saving an attribute vector as long as the proper generation guard
* is also held.
*
* The function must be called from the attribute write thread.
*/
EntryRefVector make_entry_ref_vector_snapshot(const vespalib::RcuVectorBase<vespalib::datastore::AtomicEntryRef>& ref_vector, uint32_t size);
}
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