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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "zcposting.h"
#include <vespa/searchlib/bitcompression/posocccompression.h>
#include <vespa/searchlib/bitcompression/posocc_fields_params.h>
namespace search::diskindex {
class Zc4PosOccSeqRead : public Zc4PostingSeqRead
{
private:
bitcompression::PosOccFieldsParams _fieldsParams;
bitcompression::EG2PosOccDecodeContextCooked<true> _cookedDecodeContext;
bitcompression::EG2PosOccDecodeContext<true> _rawDecodeContext;
public:
Zc4PosOccSeqRead(index::PostingListCountFileSeqRead *countFile);
void setFeatureParams(const PostingListParams ¶ms) override;
static const vespalib::string &getSubIdentifier();
const index::FieldLengthInfo &get_field_length_info() const override;
};
class Zc4PosOccSeqWrite : public Zc4PostingSeqWrite
{
private:
bitcompression::PosOccFieldsParams _fieldsParams;
bitcompression::EG2PosOccEncodeContext<true> _realEncodeFeatures;
public:
using Schema = index::Schema;
Zc4PosOccSeqWrite(const Schema &schema, uint32_t indexId,
const index::FieldLengthInfo &field_length_info,
index::PostingListCountFileSeqWrite *countFile);
};
class ZcPosOccSeqRead : public Zc4PostingSeqRead
{
private:
bitcompression::PosOccFieldsParams _fieldsParams;
bitcompression::EGPosOccDecodeContextCooked<true> _cookedDecodeContext;
bitcompression::EGPosOccDecodeContext<true> _rawDecodeContext;
public:
ZcPosOccSeqRead(index::PostingListCountFileSeqRead *countFile);
void setFeatureParams(const PostingListParams ¶ms) override;
static const vespalib::string &getSubIdentifier();
const index::FieldLengthInfo &get_field_length_info() const override;
};
class ZcPosOccSeqWrite : public ZcPostingSeqWrite
{
private:
bitcompression::PosOccFieldsParams _fieldsParams;
bitcompression::EGPosOccEncodeContext<true> _realEncodeFeatures;
public:
using Schema = index::Schema;
ZcPosOccSeqWrite(const Schema &schema, uint32_t indexId,
const index::FieldLengthInfo &field_length_info,
index::PostingListCountFileSeqWrite *countFile);
};
}
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