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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 "ibucketdbhandler.h"
#include "ibucketdbhandlerinitializer.h"
#include "bucket_create_notifier.h"
namespace proton::bucketdb {
class BucketDBOwner;
/**
* The BucketDBHandler class handles operations on a bucket db.
*/
class BucketDBHandler : public IBucketDBHandler,
public IBucketDBHandlerInitializer
{
private:
struct MetaStoreDesc
{
IDocumentMetaStore *_dms;
search::SerialNum _flushedSerialNum;
MetaStoreDesc(IDocumentMetaStore *dms,
search::SerialNum flushedSerialNum)
: _dms(dms),
_flushedSerialNum(flushedSerialNum)
{
}
};
BucketDBOwner &_bucketDB;
std::vector<MetaStoreDesc> _dmsv;
BucketCreateNotifier _bucketCreateNotifier;
public:
explicit BucketDBHandler(BucketDBOwner &bucketDB);
~BucketDBHandler() override;
void addDocumentMetaStore(IDocumentMetaStore *dms, search::SerialNum flushedSerialNum) override;
void handleSplit(search::SerialNum serialNum, const BucketId &source,
const BucketId &target1, const BucketId &target2) override;
void handleJoin(search::SerialNum serialNum, const BucketId &source1,
const BucketId &source2, const BucketId &target) override;
void handleCreateBucket(const BucketId &bucketId) override;
void handleDeleteBucket(const BucketId &bucketId) override;
IBucketCreateNotifier &getBucketCreateNotifier() { return _bucketCreateNotifier; }
};
}
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