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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
/**
* @class storage::CountVisitor
* @ingroup visitors
*
* @brief A count visitor is a visitor that sends documentid statistics
* to the client.
*
*/
#pragma once
#include "visitor.h"
namespace storage {
class CountVisitor : public Visitor {
public:
CountVisitor(StorageComponent&,
const vdslib::Parameters& params);
void completedVisiting(HitCounter&) override;
private:
void handleDocuments(const document::BucketId& bucketId,
DocEntryList & entries,
HitCounter& hitCounter) override;
bool _doScheme;
std::map<std::string, int> _schemeCount;
bool _doNamespace;
using NamespaceCountMap = std::map<vespalib::string, int>;
NamespaceCountMap _namespaceCount;
bool _doUser;
std::map<uint64_t, int> _userCount;
bool _doGroup;
using GroupCountMap = std::map<vespalib::string, int>;
GroupCountMap _groupCount;
};
struct CountVisitorFactory : public VisitorFactory {
std::shared_ptr<VisitorEnvironment>
makeVisitorEnvironment(StorageComponent&) override {
return std::make_shared<VisitorEnvironment>();
};
Visitor*
makeVisitor(StorageComponent& c, VisitorEnvironment&,
const vdslib::Parameters& params) override
{
return new CountVisitor(c, params);
}
};
}
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