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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
/**
* \class storage::VisitorFactory
*
* New visitor implementations must implement this interface and register it in
* the storage server, in order for the visitor threads to be able to create
* instances of the visitor.
*/
#pragma once
#include <vespa/vdslib/container/parameters.h>
namespace storage {
class Visitor;
class VisitorEnvironment {
public:
VisitorEnvironment() = default;
virtual ~VisitorEnvironment() = default;
};
class VisitorFactory {
public:
using SP = std::shared_ptr<VisitorFactory>;
using Map = std::map<std::string, std::shared_ptr<VisitorFactory>>;
virtual ~VisitorFactory() = default;
virtual std::shared_ptr<VisitorEnvironment> makeVisitorEnvironment(StorageComponent&) = 0;
virtual storage::Visitor *makeVisitor(
StorageComponent&, VisitorEnvironment& env,
const vdslib::Parameters& params) = 0;
};
} // storage
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