iroha::ametsuchi::KeyValueStorage Class Reference

#include "key_value_storage.hpp"

Inheritance diagram for iroha::ametsuchi::KeyValueStorage:

Collaboration diagram for iroha::ametsuchi::KeyValueStorage:

Public Types
using	Identifier = uint32_t
using	Bytes = std::vector< uint8_t >

Public Member Functions
virtual bool	add (Identifier id, const Bytes &blob)=0
virtual boost::optional< Bytes >	get (Identifier id) const =0
virtual std::string	directory () const =0
virtual Identifier	last_id () const =0
virtual void	reload ()=0
virtual void	dropAll ()=0
virtual	~KeyValueStorage ()=default

Detailed Description

Solid storage interface

Member Typedef Documentation

Bytes

using iroha::ametsuchi::KeyValueStorage::Bytes = std::vector<uint8_t>

Identifier

using iroha::ametsuchi::KeyValueStorage::Identifier = uint32_t

Type of storage key

Constructor & Destructor Documentation

~KeyValueStorage()

virtual iroha::ametsuchi::KeyValueStorage::~KeyValueStorage ( )

virtualdefault

Member Function Documentation

add()

virtual bool iroha::ametsuchi::KeyValueStorage::add ( Identifier  id, const Bytes &  blob  )

pure virtual

Add entity with binary data

Parameters

id	- reference key
blob	- data associated with key

Implemented in iroha::ametsuchi::FlatFile.

directory()

virtual std::string iroha::ametsuchi::KeyValueStorage::directory ( ) const

pure virtual

Returns

folder of storage

Implemented in iroha::ametsuchi::FlatFile.

dropAll()

virtual void iroha::ametsuchi::KeyValueStorage::dropAll ( )

pure virtual

Implemented in iroha::ametsuchi::FlatFile.

get()

virtual boost::optional<Bytes> iroha::ametsuchi::KeyValueStorage::get ( Identifier  id ) const

pure virtual

Get data associated with

Parameters

id	- reference key

Returns

- blob, if exists

Implemented in iroha::ametsuchi::FlatFile.

last_id()

virtual Identifier iroha::ametsuchi::KeyValueStorage::last_id ( ) const

pure virtual

Returns

chronologically last not null key

Implemented in iroha::ametsuchi::FlatFile.

reload()

virtual void iroha::ametsuchi::KeyValueStorage::reload ( )

pure virtual

Reloads data in case it was modified externally

Implemented in iroha::ametsuchi::FlatFile.

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The documentation for this class was generated from the following file:

• irohad/ametsuchi/key_value_storage.hpp