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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::attribute {
/*
* Class used to traverse a posting list and call the functor for each
* lid.
*/
template <typename PostingList>
class PostingListTraverser
{
using EntryRef = vespalib::datastore::EntryRef;
const PostingList &_postingList;
EntryRef _pidx;
public:
PostingListTraverser(const PostingList &postingList, EntryRef pidx)
: _postingList(postingList),
_pidx(pidx)
{
}
~PostingListTraverser() { }
template <typename Func>
void
foreach(Func func) const {
_postingList.foreach_frozen(_pidx, func);
}
template <typename Func>
void
foreach_key(Func func) const {
_postingList.foreach_frozen_key(_pidx, func);
}
};
}
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