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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/vespalib/stllike/string.h>
#include <vector>
#include <memory>
namespace vespalib {
class nbostream;
}
namespace document {
class GlobalId;
class Document;
class DocumentId;
class DocumentUpdate;
}
/**
* We create small wrapper classes for number values for the following reasons:
* - Being able to create functions taking in several of them, without risking
* caller using numbers in wrong order.
* - We can identify type by typename instead of variable name.
*/
#define DEFINE_PRIMITIVE_WRAPPER(type, name) \
class name { \
type _value; \
public: \
using Type = type; \
name() noexcept : _value() {} \
explicit name(type v) noexcept : _value(v) {} \
operator type() const noexcept { return _value; } \
operator type&() noexcept { return _value; } \
type getValue() const noexcept { return _value; } \
name& operator=(type val) noexcept { _value = val; return *this; } \
friend vespalib::nbostream & \
operator<<(vespalib::nbostream &os, const name &wrapped); \
friend vespalib::nbostream & \
operator>>(vespalib::nbostream &is, name &wrapped); \
}; \
#define DEFINE_PRIMITIVE_WRAPPER_NBOSTREAM(name) \
vespalib::nbostream & \
operator<<(vespalib::nbostream &os, const name &wrapped) \
{ \
os << wrapped._value; \
return os; \
} \
\
vespalib::nbostream & \
operator>>(vespalib::nbostream &is, name &wrapped) \
{ \
is >> wrapped._value; \
return is; \
} \
namespace storage::spi {
/**
* \class storage::spi::NodeIndex
* \ingroup spi
*/
DEFINE_PRIMITIVE_WRAPPER(uint16_t, NodeIndex);
/**
* \class storage::spi::IteratorId
* \ingroup spi
*/
DEFINE_PRIMITIVE_WRAPPER(uint64_t, IteratorId);
/**
* \class storage::spi::Timestamp
* \ingroup spi
*/
DEFINE_PRIMITIVE_WRAPPER(uint64_t, Timestamp);
/**
* \class storage::spi::BucketChecksum
* \ingroup spi
*/
DEFINE_PRIMITIVE_WRAPPER(uint32_t, BucketChecksum);
// Import critical dependencies into SPI namespace. This makes interface look
// cleaner, and makes it easy to exchange actual implementation.
using Document = document::Document;
using DocumentUpdate = document::DocumentUpdate;
using DocumentId = document::DocumentId;
using GlobalId = document::GlobalId;
using TimestampList = std::vector<Timestamp>;
using string = vespalib::string;
using DocumentUP = std::unique_ptr<document::Document>;
using DocumentIdUP = std::unique_ptr<document::DocumentId>;
using DocumentSP = std::shared_ptr<document::Document>;
using DocumentUpdateSP = std::shared_ptr<document::DocumentUpdate>;
enum IncludedVersions {
NEWEST_DOCUMENT_ONLY,
NEWEST_DOCUMENT_OR_REMOVE,
ALL_VERSIONS
};
enum MaintenanceLevel {
LOW,
HIGH
};
}
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