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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 "i_document_db_reference_resolver.h"
#include <vespa/vespalib/stllike/string.h>
#include <vespa/searchlib/attribute/not_implemented_attribute.h>
#include <map>
namespace document {
class DocumentType;
class DocumentTypeRepo;
}
namespace search {
class IAttributeManager;
struct IDocumentMetaStoreContext;
}
namespace search::attribute {
class IAttributeVector;
class ReferenceAttribute;
}
namespace vespa::config::search::internal { class InternalImportedFieldsType; }
namespace vespalib {
class ISequencedTaskExecutor;
class MonitoredRefCount;
}
namespace proton {
class IDocumentDBReference;
class IDocumentDBReferenceRegistry;
class ImportedAttributesRepo;
class GidToLidChangeRegistrator;
/**
* Class that for a given document db resolves all references to parent document dbs:
* 1) Connects all reference attributes to gid mappers of parent document dbs.
*/
class DocumentDBReferenceResolver : public IDocumentDBReferenceResolver {
private:
using ImportedFieldsConfig = const vespa::config::search::internal::InternalImportedFieldsType;
const IDocumentDBReferenceRegistry &_registry;
const document::DocumentType &_thisDocType;
const ImportedFieldsConfig &_importedFieldsCfg;
const document::DocumentType &_prevThisDocType;
vespalib::MonitoredRefCount &_refCount;
vespalib::ISequencedTaskExecutor &_attributeFieldWriter;
bool _useReferences;
std::map<vespalib::string, std::unique_ptr<GidToLidChangeRegistrator>> _registrators;
GidToLidChangeRegistrator &getRegistrator(const vespalib::string &docTypeName);
std::shared_ptr<IDocumentDBReference> getTargetDocumentDB(const vespalib::string &refAttrName) const;
void connectReferenceAttributesToGidMapper(const search::IAttributeManager &attrMgr);
std::unique_ptr<ImportedAttributesRepo> createImportedAttributesRepo(const search::IAttributeManager &attrMgr,
const std::shared_ptr<search::IDocumentMetaStoreContext> &documentMetaStore,
bool useSearchCache);
void detectOldListeners(const search::IAttributeManager &attrMgr);
void listenToGidToLidChanges(const search::IAttributeManager &attrMgr);
public:
DocumentDBReferenceResolver(const IDocumentDBReferenceRegistry ®istry,
const document::DocumentType &thisDocType,
const ImportedFieldsConfig &importedFieldsCfg,
const document::DocumentType &prevThisDocType,
vespalib::MonitoredRefCount &refCount,
vespalib::ISequencedTaskExecutor &attributeFieldWriter,
bool useReferences);
~DocumentDBReferenceResolver() override;
std::unique_ptr<ImportedAttributesRepo> resolve(const search::IAttributeManager &newAttrMgr,
const search::IAttributeManager &oldAttrMgr,
const std::shared_ptr<search::IDocumentMetaStoreContext> &documentMetaStore,
vespalib::duration visibilityDelay) override;
void teardown(const search::IAttributeManager &oldAttrMgr) override;
};
}
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