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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "zcposocc.h"
#include <vespa/searchlib/index/postinglistcounts.h>
#include <vespa/searchlib/index/postinglistcountfile.h>
#include <vespa/searchlib/index/postinglistparams.h>
namespace search::diskindex {
using search::bitcompression::PosOccFieldsParams;
using search::bitcompression::EG2PosOccDecodeContext;
using search::bitcompression::EGPosOccDecodeContext;
using search::index::FieldLengthInfo;
using search::index::PostingListCountFileSeqRead;
using search::index::PostingListCountFileSeqWrite;
Zc4PosOccSeqRead::Zc4PosOccSeqRead(PostingListCountFileSeqRead *countFile)
: Zc4PostingSeqRead(countFile, false),
_fieldsParams(),
_cookedDecodeContext(&_fieldsParams),
_rawDecodeContext(&_fieldsParams)
{
_reader.set_decode_features(&_cookedDecodeContext);
}
void
Zc4PosOccSeqRead::
setFeatureParams(const PostingListParams ¶ms)
{
bool oldCooked = &_reader.get_decode_features() == &_cookedDecodeContext;
bool newCooked = oldCooked;
params.get("cooked", newCooked);
if (oldCooked != newCooked) {
if (newCooked) {
_cookedDecodeContext = _rawDecodeContext;
_reader.set_decode_features(&_cookedDecodeContext);
} else {
_rawDecodeContext = _cookedDecodeContext;
_reader.set_decode_features(&_rawDecodeContext);
}
}
}
const vespalib::string &
Zc4PosOccSeqRead::getSubIdentifier()
{
PosOccFieldsParams fieldsParams;
EG2PosOccDecodeContext<true> d(&fieldsParams);
return d.getIdentifier();
}
const FieldLengthInfo &
Zc4PosOccSeqRead::get_field_length_info() const
{
return _fieldsParams.getFieldParams()->get_field_length_info();
}
Zc4PosOccSeqWrite::Zc4PosOccSeqWrite(const Schema &schema,
uint32_t indexId,
const FieldLengthInfo &field_length_info,
PostingListCountFileSeqWrite *countFile)
: Zc4PostingSeqWrite(countFile),
_fieldsParams(),
_realEncodeFeatures(&_fieldsParams)
{
_writer.set_encode_features(&_realEncodeFeatures);
_fieldsParams.setSchemaParams(schema, indexId);
_fieldsParams.set_field_length_info(field_length_info);
}
ZcPosOccSeqRead::ZcPosOccSeqRead(PostingListCountFileSeqRead *countFile)
: Zc4PostingSeqRead(countFile, true),
_fieldsParams(),
_cookedDecodeContext(&_fieldsParams),
_rawDecodeContext(&_fieldsParams)
{
_reader.set_decode_features(&_cookedDecodeContext);
}
void
ZcPosOccSeqRead::
setFeatureParams(const PostingListParams ¶ms)
{
bool oldCooked = &_reader.get_decode_features() == &_cookedDecodeContext;
bool newCooked = oldCooked;
params.get("cooked", newCooked);
if (oldCooked != newCooked) {
if (newCooked) {
_cookedDecodeContext = _rawDecodeContext;
_reader.set_decode_features(&_cookedDecodeContext);
} else {
_rawDecodeContext = _cookedDecodeContext;
_reader.set_decode_features(&_rawDecodeContext);
}
}
}
const vespalib::string &
ZcPosOccSeqRead::getSubIdentifier()
{
PosOccFieldsParams fieldsParams;
EGPosOccDecodeContext<true> d(&fieldsParams);
return d.getIdentifier();
}
const FieldLengthInfo &
ZcPosOccSeqRead::get_field_length_info() const
{
return _fieldsParams.getFieldParams()->get_field_length_info();
}
ZcPosOccSeqWrite::ZcPosOccSeqWrite(const Schema &schema,
uint32_t indexId,
const FieldLengthInfo &field_length_info,
PostingListCountFileSeqWrite *countFile)
: ZcPostingSeqWrite(countFile),
_fieldsParams(),
_realEncodeFeatures(&_fieldsParams)
{
_writer.set_encode_features(&_realEncodeFeatures);
_fieldsParams.setSchemaParams(schema, indexId);
_fieldsParams.set_field_length_info(field_length_info);
}
}
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