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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "juniperproperties.h"
#include "urlresult.h"
#include "resultconfig.h"
#include "docsumstore.h"
#include "keywordextractor.h"
#include "docsumfieldwriter.h"
#include <vespa/searchlib/util/rawbuf.h>
#include <vespa/fastlib/text/unicodeutil.h>
#include <vespa/fastlib/text/wordfolder.h>
using search::IAttributeManager;
namespace search::docsummary {
class IDocsumWriter
{
public:
struct ResolveClassInfo {
bool mustSkip;
bool allGenerated;
uint32_t outputClassId;
const ResultClass *outputClass;
const ResultClass::DynamicInfo *outputClassInfo;
const ResultClass *inputClass;
ResolveClassInfo()
: mustSkip(false), allGenerated(false),
outputClassId(ResultConfig::NoClassID()),
outputClass(nullptr), outputClassInfo(nullptr), inputClass(nullptr)
{ }
};
virtual ~IDocsumWriter() {}
virtual void InitState(IAttributeManager & attrMan, GetDocsumsState *state) = 0;
virtual uint32_t WriteDocsum(uint32_t docid, GetDocsumsState *state,
IDocsumStore *docinfos, search::RawBuf *target) = 0;
virtual void insertDocsum(const ResolveClassInfo & rci, uint32_t docid, GetDocsumsState *state,
IDocsumStore *docinfos, vespalib::Slime & slime, vespalib::slime::Inserter & target) = 0;
virtual ResolveClassInfo resolveClassInfo(vespalib::stringref outputClassName, uint32_t inputClassId) const = 0;
static uint32_t slime2RawBuf(const vespalib::Slime & slime, RawBuf & buf);
};
//--------------------------------------------------------------------------
class DynamicDocsumWriter : public IDocsumWriter
{
private:
ResultConfig *_resultConfig;
KeywordExtractor *_keywordExtractor;
uint32_t _defaultOutputClass;
uint32_t _numClasses;
uint32_t _numEnumValues;
ResultClass::DynamicInfo *_classInfoTable;
IDocsumFieldWriter **_overrideTable;
void resolveInputClass(ResolveClassInfo &rci, uint32_t id) const;
ResolveClassInfo resolveOutputClass(vespalib::stringref outputClassName) const;
public:
DynamicDocsumWriter(ResultConfig *config, KeywordExtractor *extractor);
DynamicDocsumWriter(const DynamicDocsumWriter &) = delete;
DynamicDocsumWriter& operator=(const DynamicDocsumWriter &) = delete;
~DynamicDocsumWriter() override;
ResultConfig *GetResultConfig() { return _resultConfig; }
bool SetDefaultOutputClass(uint32_t classID);
bool Override(const char *fieldName, IDocsumFieldWriter *writer);
void InitState(IAttributeManager & attrMan, GetDocsumsState *state) override;
uint32_t WriteDocsum(uint32_t docid, GetDocsumsState *state,
IDocsumStore *docinfos, search::RawBuf *target) override;
void insertDocsum(const ResolveClassInfo & outputClassInfo, uint32_t docid, GetDocsumsState *state,
IDocsumStore *docinfos, vespalib::Slime & slime, vespalib::slime::Inserter & target) override;
ResolveClassInfo resolveClassInfo(vespalib::stringref outputClassName, uint32_t inputClassId) const override;
};
}
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