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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
/**
* \class storage::ServiceLayerComponent
* \ingroup common
*
* \brief Component class including some service layer specific information.
*/
/**
* \class storage::ServiceLayerComponentRegister
* \ingroup common
*
* \brief Specialization of ComponentRegister handling service layer components.
*/
/**
* \class storage::ServiceLayerManagedComponent
* \ingroup common
*
* \brief Specialization of StorageManagedComponent.
*
* A service layer component register will use this interface in order to set
* the service layer functionality parts.
*/
#pragma once
#include "storagecomponent.h"
#include <vespa/document/bucket/bucket.h>
namespace storage {
class ContentBucketSpaceRepo;
class MinimumUsedBitsTracker;
class StorBucketDatabase;
struct ServiceLayerManagedComponent
{
virtual ~ServiceLayerManagedComponent() = default;
virtual void setBucketSpaceRepo(ContentBucketSpaceRepo&) = 0;
virtual void setMinUsedBitsTracker(MinimumUsedBitsTracker&) = 0;
};
struct ServiceLayerComponentRegister : public virtual StorageComponentRegister
{
virtual void registerServiceLayerComponent(ServiceLayerManagedComponent&) = 0;
};
class ServiceLayerComponent : public StorageComponent,
private ServiceLayerManagedComponent
{
ContentBucketSpaceRepo* _bucketSpaceRepo;
MinimumUsedBitsTracker* _minUsedBitsTracker;
// ServiceLayerManagedComponent implementation
void setBucketSpaceRepo(ContentBucketSpaceRepo& repo) override { _bucketSpaceRepo = &repo; }
void setMinUsedBitsTracker(MinimumUsedBitsTracker& tracker) override {
_minUsedBitsTracker = &tracker;
}
public:
using UP = std::unique_ptr<ServiceLayerComponent>;
ServiceLayerComponent(ServiceLayerComponentRegister& compReg,
vespalib::stringref name)
: StorageComponent(compReg, name),
_bucketSpaceRepo(nullptr),
_minUsedBitsTracker(nullptr)
{
compReg.registerServiceLayerComponent(*this);
}
const ContentBucketSpaceRepo &getBucketSpaceRepo() const;
StorBucketDatabase& getBucketDatabase(document::BucketSpace bucketSpace) const;
MinimumUsedBitsTracker& getMinUsedBitsTracker() {
return *_minUsedBitsTracker;
}
const MinimumUsedBitsTracker& getMinUsedBitsTracker() const {
return *_minUsedBitsTracker;
}
};
} // storage
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