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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/searchcore/proton/common/feedtoken.h>
#include <vespa/vespalib/stllike/string.h>
namespace vespalib {
class Executor;
}
namespace proton {
class FeedOperation;
struct PacketWrapper;
/**
* Class representing the current state of a feed handler.
*/
class FeedState {
public:
enum Type { NORMAL, REPLAY_TRANSACTION_LOG, INIT };
private:
Type _type;
protected:
using FeedOperationUP = std::unique_ptr<FeedOperation>;
using PacketWrapperSP = std::shared_ptr<PacketWrapper>;
void throwExceptionInReceive(const vespalib::string &docType, uint64_t serialRangeFrom,
uint64_t serialRangeTo, size_t packetSize);
void throwExceptionInHandleOperation(const vespalib::string &docType, const FeedOperation &op);
public:
FeedState(Type type) : _type(type) {}
virtual ~FeedState() = default;
Type getType() const { return _type; }
vespalib::string getName() const;
virtual void handleOperation(FeedToken token, FeedOperationUP op) = 0;
virtual void receive(const PacketWrapperSP &wrap, vespalib::Executor &executor) = 0;
};
} // namespace proton
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