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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "termwise_blueprint_helper.h"
#include "termwise_search.h"
namespace search {
namespace queryeval {
TermwiseBlueprintHelper::TermwiseBlueprintHelper(const IntermediateBlueprint &self,
const MultiSearch::Children &subSearches,
UnpackInfo &unpackInfo)
: children(),
termwise(),
first_termwise(subSearches.size()),
termwise_unpack()
{
children.reserve(subSearches.size());
termwise.reserve(subSearches.size());
for (size_t i = 0; i < subSearches.size(); ++i) {
bool need_unpack = unpackInfo.needUnpack(i);
bool allow_termwise = self.getChild(i).getState().allow_termwise_eval();
if (need_unpack || !allow_termwise) {
if (need_unpack) {
size_t index = (i < first_termwise) ? children.size() : (children.size() + 1);
termwise_unpack.add(index);
}
children.push_back(subSearches[i]);
} else {
first_termwise = std::min(i, first_termwise);
termwise.push_back(subSearches[i]);
}
}
}
TermwiseBlueprintHelper::~TermwiseBlueprintHelper() { }
void
TermwiseBlueprintHelper::insert_termwise(SearchIterator::UP search, bool strict)
{
auto termwise_search = make_termwise(std::move(search), strict);
children.insert(children.begin() + first_termwise, termwise_search.release());
}
} // namespace queryeval
} // namespace search
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