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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
/**
* \class storage::VisitorMessageSession
*/
#pragma once
#include <vespa/messagebus/result.h>
namespace documentapi {
class DocumentMessage;
}
namespace storage {
struct VisitorMessageSession {
using UP = std::unique_ptr<VisitorMessageSession>;
virtual ~VisitorMessageSession() {}
virtual mbus::Result send(std::unique_ptr<documentapi::DocumentMessage>) = 0;
/** @return Returns the number of pending messages this session has. */
virtual uint32_t pending() = 0;
};
} // storage
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