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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/util/growstrategy.h>
#include <cstdint>
#include <iosfwd>
namespace search {
class GrowStrategy : public vespalib::GrowStrategy
{
private:
float _multiValueAllocGrowFactor;
public:
GrowStrategy() noexcept
: GrowStrategy(1024, 0.5, 0, 0, 0.2)
{}
GrowStrategy(uint32_t docsInitialCapacity, float docsGrowFactor,
uint32_t docsGrowDelta, uint32_t docsMinimumCapacity, float multiValueAllocGrowFactor) noexcept
: vespalib::GrowStrategy(docsInitialCapacity, docsGrowFactor, docsGrowDelta, docsMinimumCapacity),
_multiValueAllocGrowFactor(multiValueAllocGrowFactor)
{
}
static GrowStrategy make(uint32_t docsInitialCapacity, float docsGrowFactor, uint32_t docsGrowDelta) noexcept {
return {docsInitialCapacity, docsGrowFactor, docsGrowDelta, 0, 0.2};
}
float getMultiValueAllocGrowFactor() const noexcept { return _multiValueAllocGrowFactor; }
bool operator==(const GrowStrategy & rhs) const noexcept {
return vespalib::GrowStrategy::operator==(rhs) &&
(_multiValueAllocGrowFactor == rhs._multiValueAllocGrowFactor);
}
bool operator!=(const GrowStrategy & rhs) const noexcept {
return !(operator==(rhs));
}
};
std::ostream& operator<<(std::ostream& os, const GrowStrategy& grow_strategy);
}
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