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// Copyright 2016 Yahoo Inc. 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 {
namespace spi {
/**
* Simplified abstract persistence provider class. Implements
* some of the less used functions. Implementors are still encouraged
* to review the full PersistenceProvider class to verify that
* their desired behaviour is implemented.
*/
class AbstractPersistenceProvider : public PersistenceProvider
{
public:
/**
* Default impl is empty.
*/
Result initialize() override { return Result(); };
/**
* Updates the document by calling get(), updating the document,
* then calling put() on the result.
*/
UpdateResult update(const Bucket&, Timestamp, const DocumentUpdateSP&, Context&) override;
/**
* Default impl empty.
*/
Result createBucket(const Bucket&, Context&) override { return Result(); }
/**
* Default impl is empty.
*/
Result maintain(const Bucket&, MaintenanceLevel) override { return Result(); }
/**
* Default impl is empty.
*/
Result removeEntry(const Bucket&, Timestamp, Context&) override { return Result(); }
/**
* Default impl is getBucketInfo();
*/
Result flush(const Bucket&, Context&) override { return Result(); }
/**
* Default impl is remove().
*/
RemoveResult removeIfFound(const Bucket&, Timestamp, const DocumentId&, Context&) override;
/**
* Default impl empty.
*/
Result setClusterState(const ClusterState&) override { return Result(); }
/**
* Default impl empty.
*/
Result setActiveState(const Bucket&, BucketInfo::ActiveState) override { return Result(); }
/**
* Default impl empty.
*/
BucketIdListResult getModifiedBuckets() const override;
/**
* Uses join by default.
*/
Result move(const Bucket& source, PartitionId id, Context&) override;
};
}
}
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