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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "visitor.h"
#include <vespa/storageapi/messageapi/storagecommand.h>
#include <vespa/storageapi/messageapi/storagereply.h>
#include <vespa/storageapi/defs.h>
namespace storage::api {
/**
* @class MapStorageCommand
* @ingroup message
*
* @brief Sends a map of data to a visitor.
*
* This is a generic way to transfer data to the visitor data handler.
* It is for instance used when doing a specialized visitor to gather statistics
* on usage of document types and namespaces.
*/
class MapVisitorCommand : public StorageCommand {
vdslib::Parameters _statistics;
public:
MapVisitorCommand();
vdslib::Parameters& getData() { return _statistics; };
const vdslib::Parameters& getData() const { return _statistics; };
void print(std::ostream& out, bool verbose, const std::string& indent) const override;
DECLARE_STORAGECOMMAND(MapVisitorCommand, onMapVisitor)
};
/**
* @class MapStorageReply
* @ingroup message
*
* @brief Confirm that a given map visitor command has been received.
*/
class MapVisitorReply : public StorageReply {
public:
explicit MapVisitorReply(const MapVisitorCommand&);
void print(std::ostream& out, bool verbose, const std::string& indent) const override;
DECLARE_STORAGEREPLY(MapVisitorReply, onMapVisitorReply)
};
/**
* @class EmptyBucketsCommand
* @ingroup message
*
* @brief Sends a vector of bucket ids to a visitor.
*
* This message is used in synchronization to tell the synchronization client
* that a bucket contains no data at all. This is needed to let the follower be
* able to delete documents from these buckets, as they would otherwise be
* ignored by the synch agent.
*/
class EmptyBucketsCommand : public StorageCommand {
std::vector<document::BucketId> _buckets;
public:
EmptyBucketsCommand(const std::vector<document::BucketId>&);
const std::vector<document::BucketId>& getBuckets() const { return _buckets; }
void print(std::ostream& out, bool verbose, const std::string& indent) const override;
DECLARE_STORAGECOMMAND(EmptyBucketsCommand, onEmptyBuckets)
};
/**
* @class EmptyBucketsReply
* @ingroup message
*
* @brief Confirm that a given emptybucketscommad has been received.
*/
class EmptyBucketsReply : public StorageReply {
public:
explicit EmptyBucketsReply(const EmptyBucketsCommand&);
void print(std::ostream& out, bool verbose, const std::string& indent) const override;
DECLARE_STORAGEREPLY(EmptyBucketsReply, onEmptyBucketsReply)
};
}
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