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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 "i_attribute_manager.h"
#include "i_attribute_writer.h"
#include <vespa/searchcore/proton/common/commit_time_tracker.h>
#include <vespa/document/base/fieldpath.h>
#include <vespa/searchlib/common/isequencedtaskexecutor.h>
#include <vespa/vespalib/stllike/hash_map.h>
namespace document { class DocumentType; }
namespace proton {
/**
* Concrete attribute writer that handles writes in form of put, update and remove
* to the attribute vectors managed by the underlying attribute manager.
*/
class AttributeWriter : public IAttributeWriter
{
private:
typedef search::AttributeVector AttributeVector;
typedef document::FieldPath FieldPath;
typedef document::DataType DataType;
typedef document::DocumentType DocumentType;
typedef document::FieldValue FieldValue;
const IAttributeManager::SP _mgr;
search::ISequencedTaskExecutor &_attributeFieldWriter;
using ExecutorId = search::ISequencedTaskExecutor::ExecutorId;
public:
class WriteField
{
FieldPath _fieldPath;
AttributeVector &_attribute;
bool _structFieldAttribute; // in array/map of struct
public:
WriteField(AttributeVector &attribute);
~WriteField();
AttributeVector &getAttribute() const { return _attribute; }
const FieldPath &getFieldPath() const { return _fieldPath; }
void buildFieldPath(const DocumentType &docType);
bool isStructFieldAttribute() const { return _structFieldAttribute; }
};
class WriteContext
{
ExecutorId _executorId;
std::vector<WriteField> _fields;
bool _hasStructFieldAttribute;
public:
WriteContext(ExecutorId executorId);
WriteContext(WriteContext &&rhs) noexcept;
~WriteContext();
WriteContext &operator=(WriteContext &&rhs) noexcept;
void buildFieldPaths(const DocumentType &docType);
void add(AttributeVector &attr);
ExecutorId getExecutorId() const { return _executorId; }
const std::vector<WriteField> &getFields() const { return _fields; }
bool hasStructFieldAttribute() const { return _hasStructFieldAttribute; }
};
private:
using AttrWithId = std::pair<search::AttributeVector *, ExecutorId>;
using AttrMap = vespalib::hash_map<vespalib::string, AttrWithId>;
std::vector<WriteContext> _writeContexts;
const DataType *_dataType;
bool _hasStructFieldAttribute;
AttrMap _attrMap;
void setupWriteContexts();
void setupAttriuteMapping();
void buildFieldPaths(const DocumentType &docType, const DataType *dataType);
void internalPut(SerialNum serialNum, const Document &doc, DocumentIdT lid,
bool immediateCommit, bool allAttributes, OnWriteDoneType onWriteDone);
void internalRemove(SerialNum serialNum, DocumentIdT lid,
bool immediateCommit, OnWriteDoneType onWriteDone);
public:
AttributeWriter(proton::IAttributeManager::SP mgr);
~AttributeWriter();
/* Only for in tests that add attributes after AttributeWriter construction. */
/**
* Implements IAttributeWriter.
*/
std::vector<search::AttributeVector *> getWritableAttributes() const override;
search::AttributeVector *getWritableAttribute(const vespalib::string &name) const override;
void put(SerialNum serialNum, const Document &doc, DocumentIdT lid,
bool immediateCommit, OnWriteDoneType onWriteDone) override;
void remove(SerialNum serialNum, DocumentIdT lid,
bool immediateCommit, OnWriteDoneType onWriteDone) override;
void remove(const LidVector &lidVector, SerialNum serialNum,
bool immediateCommit, OnWriteDoneType onWriteDone) override;
void update(SerialNum serialNum, const DocumentUpdate &upd, DocumentIdT lid,
bool immediateCommit, OnWriteDoneType onWriteDone, IFieldUpdateCallback & onUpdate) override;
void update(SerialNum serialNum, const Document &doc, DocumentIdT lid,
bool immediateCommit, OnWriteDoneType onWriteDone) override;
void heartBeat(SerialNum serialNum) override;
void compactLidSpace(uint32_t wantedLidLimit, SerialNum serialNum) override;
const proton::IAttributeManager::SP &getAttributeManager() const override {
return _mgr;
}
void forceCommit(SerialNum serialNum, OnWriteDoneType onWriteDone) override;
void onReplayDone(uint32_t docIdLimit) override;
bool hasStructFieldAttribute() const override;
};
} // namespace proton
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