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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
/**
* \class document::BucketIdFactory
* \ingroup bucket
*
* \brief Class to generate bucket identifiers from document identifiers.
*
* To be able to take advantage of some pregenerated state to make bucket id
* creation efficient, this class exist to prevent the need for static objects
* in the bucket identifier.
*
* \see BucketId for more information.
*/
#pragma once
#include <vespa/document/util/printable.h>
#include <cstdint>
namespace document {
class BucketId;
class DocumentId;
class BucketIdFactory : public document::Printable
{
uint16_t _locationBits;
uint16_t _gidBits;
uint16_t _countBits;
uint64_t _locationMask;
uint64_t _gidMask;
uint64_t _initialCount;
public:
BucketIdFactory();
BucketId getBucketId(const DocumentId&) const;
void print(std::ostream& out, bool verbose, const std::string& indent) const override;
private:
void initializeMasks();
};
} // document
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