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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "externslobrokpolicy.h"
#include <vespa/documentapi/messagebus/messages/wrongdistributionreply.h>
#include <vespa/vdslib/distribution/distribution.h>
#include <vespa/document/bucket/bucketidfactory.h>
#include <vespa/messagebus/routing/hop.h>
namespace config {
class ICallback;
class ConfigFetcher;
}
namespace storage {
namespace lib {
class Distribution;
class ClusterState;
}
}
namespace documentapi {
class ContentPolicy : public ExternSlobrokPolicy
{
private:
document::BucketIdFactory _bucketIdFactory;
std::unique_ptr<storage::lib::ClusterState> _state;
string _clusterName;
string _clusterConfigId;
std::unique_ptr<config::ICallback> _callBack;
std::unique_ptr<config::ConfigFetcher> _configFetcher;
std::unique_ptr<storage::lib::Distribution> _distribution;
std::unique_ptr<storage::lib::Distribution> _nextDistribution;
mbus::Hop getRecipient(mbus::RoutingContext& context, int distributor);
public:
ContentPolicy(const string& param);
~ContentPolicy();
void doSelect(mbus::RoutingContext &context) override;
void merge(mbus::RoutingContext &context) override;
void updateStateFromReply(WrongDistributionReply& reply);
/**
* @return a pointer to the system state registered with this policy. If
* we haven't received a system state yet, returns NULL.
*/
const storage::lib::ClusterState* getSystemState() const { return _state.get(); }
virtual void configure(std::unique_ptr<storage::lib::Distribution::DistributionConfig> config);
string init() override;
private:
string createConfigId(const string & clusterName) const;
string createPattern(const string & clusterName, int distributor) const;
};
}
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