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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 "documentreply.h"
#include <vespa/messagebus/message.h>
namespace documentapi {
class DocumentMessage : public mbus::Message {
private:
Priority::Value _priority;
uint32_t _approxSize; // Not sent on wire; set by deserializer or by caller.
protected:
/**
* This method is used by {@link #createReply()} to ensure that all document messages return document type
* replies. This method may NOT return null as that will cause an assertion error.
*
* @return A document reply that corresponds to this message.
*/
virtual DocumentReply::UP doCreateReply() const = 0;
public:
/**
* Convenience typedefs.
*/
using UP = std::unique_ptr<DocumentMessage>;
using SP = std::shared_ptr<DocumentMessage>;
DocumentMessage();
~DocumentMessage() override;
/**
* Creates and returns a reply to this message. This method uses the internal {@link #doCreateReply()} to
* guarantee that the reply is a {@link DocumentReply}, and casts it to a message bus type reply for
* convenience.
*
* @return The created reply.
*/
std::unique_ptr<mbus::Reply> createReply() const;
/**
* Returns the priority of this message.
*
* @return The priority.
*/
Priority::Value getPriority() const { return _priority; };
uint8_t priority() const override { return (uint8_t)_priority; }
/**
* Sets the priority tag for this message.
*
* @param priority The priority to set.
*/
void setPriority(Priority::Value p) { _priority = p; };
uint32_t getApproxSize() const override;
void setApproxSize(uint32_t approxSize) {
_approxSize = approxSize;
}
const mbus::string& getProtocol() const override;
};
}
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