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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include <vespa/persistence/spi/persistenceprovider.h>
namespace storage::spi {
/*
* Persistence provider that returns error code for all operations
* except initialize(), getPartitionStates() and setClusterState().
*
* getPartitionStates() reports one partition, which is down with
* reason "proton state string is " + stateString.
*
* This class is used when proton is supposed to be down except for
* reporting state to cluster controller.
*/
class DownPersistence : public PersistenceProvider
{
const vespalib::string _downReason;
public:
DownPersistence(const vespalib::string &downReason);
typedef std::unique_ptr<PersistenceProvider> UP;
~DownPersistence() override;
Result initialize() override;
PartitionStateListResult getPartitionStates() const override;
BucketIdListResult listBuckets(BucketSpace bucketSpace, PartitionId) const override;
Result setClusterState(BucketSpace, const ClusterState&) override;
Result setActiveState(const Bucket&, BucketInfo::ActiveState) override;
BucketInfoResult getBucketInfo(const Bucket&) const override;
Result put(const Bucket&, Timestamp, DocumentSP, Context&) override;
RemoveResult remove(const Bucket&, Timestamp timestamp, const DocumentId& id, Context&) override;
RemoveResult removeIfFound(const Bucket&, Timestamp timestamp, const DocumentId& id, Context&) override;
Result removeEntry(const Bucket&, Timestamp, Context&) override;
UpdateResult update(const Bucket&, Timestamp timestamp, DocumentUpdateSP update, Context&) override;
GetResult get(const Bucket&, const document::FieldSet& fieldSet, const DocumentId& id, Context&) const override;
CreateIteratorResult
createIterator(const Bucket &bucket, FieldSetSP fieldSet, const Selection &selection, IncludedVersions versions,
Context &context) override;
IterateResult iterate(IteratorId id, uint64_t maxByteSize, Context&) const override;
Result destroyIterator(IteratorId id, Context&) override;
Result createBucket(const Bucket&, Context&) override;
Result deleteBucket(const Bucket&, Context&) override;
BucketIdListResult getModifiedBuckets(BucketSpace bucketSpace) const override;
Result split(const Bucket& source, const Bucket& target1, const Bucket& target2, Context&) override;
Result join(const Bucket& source1, const Bucket& source2, const Bucket& target, Context&) override;
Result move(const Bucket&, PartitionId target, Context&) override;
};
}
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