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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 <vespa/vespalib/stllike/string.h>
#include <cmath>
#include <limits>
#include <memory>
#include <vector>
namespace proton {
/**
* A StatusReport describes the status of a search component.
*/
class StatusReport {
public:
using UP = std::unique_ptr<StatusReport>;
using SP = std::shared_ptr<StatusReport>;
using List = std::vector<SP>;
enum State {
DOWN = 0,
PARTIAL,
UPOK
};
struct Params {
vespalib::string _component;
State _state;
vespalib::string _internalState;
vespalib::string _internalConfigState;
float _progress;
vespalib::string _message;
Params(const vespalib::string &component);
~Params();
Params &state(State value) {
_state = value;
return *this;
}
Params &internalState(const vespalib::string &value) {
_internalState = value;
return *this;
}
Params &internalConfigState(const vespalib::string &value) {
_internalConfigState = value;
return *this;
}
Params &progress(float value) {
_progress = value;
return *this;
}
Params &message(const vespalib::string &value) {
_message = value;
return *this;
}
};
private:
vespalib::string _component;
State _state;
vespalib::string _internalState;
vespalib::string _internalConfigState;
float _progress;
vespalib::string _message;
public:
StatusReport(const Params ¶ms);
~StatusReport();
static StatusReport::UP create(const Params ¶ms) {
return std::make_unique<StatusReport>(params);
}
const vespalib::string &getComponent() const {
return _component;
}
State getState() const {
return _state;
}
const vespalib::string &getInternalState() const {
return _internalState;
}
const vespalib::string &getInternalConfigState() const {
return _internalConfigState;
}
bool hasProgress() const {
return !std::isnan(_progress);
}
float getProgress() const {
return _progress;
}
const vespalib::string &getMessage() const {
return _message;
}
vespalib::string getInternalStatesStr() const {
vespalib::string retval = "state=" + _internalState;
if (!_internalConfigState.empty()) {
retval = retval + " configstate=" + _internalConfigState;
}
return retval;
}
};
/**
* A StatusProducer is able to produce a list of StatusReport objects
* when needed.
**/
struct StatusProducer {
virtual StatusReport::List getStatusReports() const = 0;
virtual ~StatusProducer() {}
};
} // namespace proton
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