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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/documentapi/common.h>
namespace documentapi {
/**
* This class contains the response to a feed command from a single
* RTC node.
*/
class FeedAnswer {
public:
/**
* How the feed command was handled. Be careful about enum
* ordering as this will be serialized. Add new values at the end.
*/
enum Handling {
UNKNOWN = 0,
HANDLED_OK,
HANDLED_MISSED_PREV,
HANDLED_AS_HINT,
IGNORED_DUP,
IGNORED_SOF_REALTIME,
IGNORED_LABEL_MISMATCH,
ERROR_TOOLOW_INCREMENT,
ERROR_TOOHIGH_INCREMENT,
ERROR_INCREMENT_IN_BATCHMODE,
ERROR_MISSING_SOF_FOR_EOF,
ERROR_WRONG_SOF_FOR_EOF,
ERROR_WRITING_LABEL,
HANDLED_AS_PROBE
};
public:
/**
* Constructs an empty feed answer.
*/
FeedAnswer();
/**
* Constructs a complete feed answer.
*
* @param answerCode The code per the enum above.
* @param wantedIncrement The increment of the current feed transaction.
* @param recipient The name of the RTC node.
* @param moreInfo Arbitrary additional info.
*/
FeedAnswer(int answerCode, int wantedIncrement,
const string& recipient,
const string& moreInfo);
/**
* Destructor. Frees any allocated resources.
*/
virtual ~FeedAnswer();
/**
* Returns the numerical code of this answer.
*
* @return The code.
*/
int getAnswerCode() const;
/**
* Returns the increment of the feed transaction that the RTC is
* currently processing.
*
* @param The increment.
*/
int getWantedIncrement() const;
/**
* Returns the name of the RTC node whose answer this is.
*
* @return The recipient name.
*/
const string& getRecipient() const;
/**
* Returns any additional info added to the answer.
*
* @return The additional data.
*/
const string& getMoreInfo() const;
private:
int _answerCode; // The code of this answer.
int _wantedIncrement; // The increment of the current feed.
string _recipient; // The name of the RTC node.
string _moreInfo; // Any additional data.
};
}
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