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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/storageapi/message/internal.h>
#include <vespa/persistence/spi/bucket.h>
#include <vespa/persistence/spi/selection.h>
#include <vespa/persistence/spi/read_consistency.h>
#include <vespa/persistence/spi/bucketexecutor.h>
namespace storage {
namespace spi { class DocEntry; }
class GetIterCommand : public api::InternalCommand {
private:
document::Bucket _bucket;
spi::IteratorId _iteratorId;
uint32_t _maxByteSize;
public:
static constexpr uint32_t ID = 1001;
using UP = std::unique_ptr<GetIterCommand>;
using SP = std::shared_ptr<GetIterCommand>;
GetIterCommand(const document::Bucket &bucket,
spi::IteratorId iteratorId,
uint32_t maxByteSize);
~GetIterCommand() override;
std::unique_ptr<api::StorageReply> makeReply() override;
document::Bucket getBucket() const override { return _bucket; }
spi::IteratorId getIteratorId() const { return _iteratorId; }
uint32_t getMaxByteSize() const { return _maxByteSize; }
api::LockingRequirements lockingRequirements() const noexcept override {
return api::LockingRequirements::Shared;
}
void print(std::ostream& out, bool verbose, const std::string& indent) const override;
private:
friend class GetIterReply;
};
class GetIterReply : public api::InternalReply {
private:
using List = std::vector<std::unique_ptr<spi::DocEntry>>;
document::Bucket _bucket;
List _entries;
bool _completed;
public:
using UP = std::unique_ptr<GetIterReply>;
using SP = std::shared_ptr<GetIterReply>;
static constexpr uint32_t ID = 1002;
explicit GetIterReply(GetIterCommand& cmd);
~GetIterReply() override;
document::Bucket getBucket() const override { return _bucket; }
const List & getEntries() const { return _entries; }
List & getEntries() { return _entries; }
void setCompleted(bool completed = true) { _completed = completed; }
bool isCompleted() const { return _completed; }
void print(std::ostream& out, bool verbose, const std::string& indent) const override;
};
class CreateIteratorCommand : public api::InternalCommand
{
document::Bucket _bucket;
spi::Selection _selection;
std::string _fieldSet;
spi::IncludedVersions _includedVersions;
spi::ReadConsistency _readConsistency;
public:
static constexpr uint32_t ID = 1003;
using UP = std::unique_ptr<CreateIteratorCommand>;
using SP = std::shared_ptr<CreateIteratorCommand>;
CreateIteratorCommand(const document::Bucket &bucket,
const spi::Selection& selection,
const std::string& fields,
spi::IncludedVersions includedVersions);
~CreateIteratorCommand() override;
document::Bucket getBucket() const override { return _bucket; }
const spi::Selection& getSelection() const { return _selection; }
spi::IncludedVersions getIncludedVersions() const { return _includedVersions; }
const std::string& getFields() const { return _fieldSet; }
void setReadConsistency(spi::ReadConsistency consistency) noexcept {
_readConsistency = consistency;
}
spi::ReadConsistency getReadConsistency() const noexcept {
return _readConsistency;
}
api::LockingRequirements lockingRequirements() const noexcept override {
return api::LockingRequirements::Shared;
}
std::unique_ptr<api::StorageReply> makeReply() override;
void print(std::ostream& out, bool verbose, const std::string& indent) const override;
};
class CreateIteratorReply : public api::InternalReply
{
document::Bucket _bucket;
spi::IteratorId _iteratorId;
public:
static constexpr uint32_t ID = 1004;
using UP = std::unique_ptr<CreateIteratorReply>;
using SP = std::shared_ptr<CreateIteratorReply>;
CreateIteratorReply(const CreateIteratorCommand& cmd, spi::IteratorId iteratorId);
~CreateIteratorReply() override;
document::Bucket getBucket() const override { return _bucket; }
spi::IteratorId getIteratorId() const { return _iteratorId; }
void print(std::ostream& out, bool verbose, const std::string & indent) const override;
};
class DestroyIteratorCommand : public api::InternalCommand
{
spi::IteratorId _iteratorId;
public:
static constexpr uint32_t ID = 1005;
using UP = std::unique_ptr<DestroyIteratorCommand>;
using SP = std::shared_ptr<DestroyIteratorCommand>;
explicit DestroyIteratorCommand(spi::IteratorId iteratorId);
~DestroyIteratorCommand() override;
spi::IteratorId getIteratorId() const { return _iteratorId; }
std::unique_ptr<api::StorageReply> makeReply() override;
void print(std::ostream& out, bool, const std::string &) const override;
};
class DestroyIteratorReply : public api::InternalReply
{
spi::IteratorId _iteratorId;
public:
static constexpr uint32_t ID = 1006;
using UP = std::unique_ptr<DestroyIteratorReply>;
using SP = std::shared_ptr<DestroyIteratorReply>;
explicit DestroyIteratorReply(const DestroyIteratorCommand& cmd);
~DestroyIteratorReply() override;
void print(std::ostream& out, bool verbose, const std::string & indent) const override;
};
class RecheckBucketInfoCommand : public api::InternalCommand
{
document::Bucket _bucket;
public:
static constexpr uint32_t ID = 1007;
using SP = std::shared_ptr<RecheckBucketInfoCommand>;
using UP = std::unique_ptr<RecheckBucketInfoCommand>;
explicit RecheckBucketInfoCommand(const document::Bucket &bucket);
~RecheckBucketInfoCommand() override;
document::Bucket getBucket() const override { return _bucket; }
std::unique_ptr<api::StorageReply> makeReply() override;
void print(std::ostream& out, bool verbose, const std::string& indent) const override;
};
class RecheckBucketInfoReply : public api::InternalReply
{
document::Bucket _bucket;
public:
static constexpr uint32_t ID = 1008;
using SP = std::shared_ptr<RecheckBucketInfoReply>;
using UP = std::unique_ptr<RecheckBucketInfoReply>;
explicit RecheckBucketInfoReply(const RecheckBucketInfoCommand& cmd);
~RecheckBucketInfoReply() override;
document::Bucket getBucket() const override { return _bucket; }
void print(std::ostream& out, bool verbose, const std::string& indent) const override;
};
class AbortBucketOperationsCommand : public api::InternalCommand
{
public:
class AbortPredicate {
virtual bool doShouldAbort(const document::Bucket&) const = 0;
public:
virtual ~AbortPredicate() {}
bool shouldAbort(const document::Bucket &bucket) const {
return doShouldAbort(bucket);
}
};
static constexpr uint32_t ID = 1009;
using SP = std::shared_ptr<AbortBucketOperationsCommand>;
using CSP = std::shared_ptr<const AbortBucketOperationsCommand>;
private:
std::unique_ptr<AbortPredicate> _predicate;
public:
explicit AbortBucketOperationsCommand(std::unique_ptr<AbortPredicate> predicate);
~AbortBucketOperationsCommand() override;
bool shouldAbort(const document::Bucket &bucket) const {
return _predicate->shouldAbort(bucket);
}
std::unique_ptr<api::StorageReply> makeReply() override;
void print(std::ostream& out, bool verbose, const std::string& indent) const override;
};
class AbortBucketOperationsReply : public api::InternalReply
{
public:
static constexpr uint32_t ID = 1010;
using SP = std::shared_ptr<AbortBucketOperationsReply>;
using CSP = std::shared_ptr<const AbortBucketOperationsReply>;
explicit AbortBucketOperationsReply(const AbortBucketOperationsCommand& cmd);
~AbortBucketOperationsReply() override;
void print(std::ostream& out, bool verbose, const std::string& indent) const override;
};
// Internal Command task for bringing along a Bucket and a BucketTask in
// the inner workings of the storagelink chain.
class RunTaskCommand : public api::InternalCommand {
public:
static constexpr uint32_t ID = 1011;
RunTaskCommand(const spi::Bucket &bucket, std::unique_ptr<spi::BucketTask> task);
~RunTaskCommand();
document::Bucket getBucket() const override { return _bucket.getBucket(); }
std::unique_ptr<api::StorageReply> makeReply() override;
void run(const spi::Bucket & bucket, std::shared_ptr<vespalib::IDestructorCallback> onComplete);
void print(std::ostream& out, bool verbose, const std::string& indent) const override;
std::unique_ptr<spi::BucketTask> stealTask() { return std::move(_task); }
private:
std::unique_ptr<spi::BucketTask> _task;
spi::Bucket _bucket;
};
// Simple reply for matching the RunTaskCommand
class RunTaskReply : public api::InternalReply
{
public:
explicit RunTaskReply(const RunTaskCommand&);
~RunTaskReply();
void print(std::ostream& out, bool verbose, const std::string& indent) const override;
private:
static constexpr uint32_t ID = 1012;
};
} // ns storage
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