#include <topper_trie_batch_impl.hpp>

Inheritance diagram for kagome::storage::trie::TopperTrieBatchImpl:

Collaboration diagram for kagome::storage::trie::TopperTrieBatchImpl:

Public Types
enum	Error { Error::PARENT_EXPIRED = 1 }

Public Types inherited from kagome::storage::trie::TrieBatch
using	Cursor = face::Iterable< Buffer, common::BufferConstRef, BufferView >::Cursor

Public Types inherited from kagome::storage::face::ReadableMap< BufferView, Buffer >
using	Key = BufferView

using	Value = Buffer

using	ValueView = std::reference_wrapper< Buffer >

using	ConstValueView = std::reference_wrapper< const Buffer >

Public Types inherited from kagome::storage::face::ReadableBase< BufferView >
using	Key = BufferView

Public Types inherited from kagome::storage::face::Iterable< Buffer, common::BufferConstRef, BufferView >
using	Cursor = MapCursor< Buffer, common::BufferConstRef, BufferView >

Public Member Functions
	TopperTrieBatchImpl (const std::shared_ptr< TrieBatch > &parent)

outcome::result< common::BufferConstRef >	get (const BufferView &key) const override
	Get value by key. More...

outcome::result< std::optional< common::BufferConstRef > >	tryGet (const BufferView &key) const override
	Get value by key. More...

std::unique_ptr< PolkadotTrieCursor >	trieCursor () override

outcome::result< bool >	contains (const BufferView &key) const override
	Checks if given key-value binding exists in the storage. More...

bool	empty () const override
	Returns true if the storage is empty. More...

outcome::result< void >	put (const BufferView &key, const Buffer &value) override
	Store value by key. More...

outcome::result< void >	put (const BufferView &key, Buffer &&value) override

outcome::result< void >	remove (const BufferView &key) override
	Remove value by key. More...

outcome::result< std::tuple< bool, uint32_t > >	clearPrefix (const BufferView &prefix, std::optional< uint64_t > limit) override

outcome::result< void >	writeBack () override

Public Member Functions inherited from kagome::storage::trie::TrieBatch
	~TrieBatch () override=default

std::unique_ptr< Cursor >	cursor () final
	Returns new key-value iterator. More...

Public Member Functions inherited from kagome::storage::face::ReadableMap< BufferView, Buffer >
virtual	~ReadableMap ()=default

Public Member Functions inherited from kagome::storage::face::ReadableBase< BufferView >
virtual	~ReadableBase ()=default

Public Member Functions inherited from kagome::storage::face::Writeable< BufferView, Buffer >
virtual	~Writeable ()=default

Public Member Functions inherited from kagome::storage::face::Iterable< Buffer, common::BufferConstRef, BufferView >
virtual	~Iterable ()=default

Private Member Functions
bool	wasClearedByPrefix (const BufferView &key) const

Private Attributes
std::map< Buffer, std::optional< Buffer >, std::less<> >	cache_

std::deque< Buffer >	cleared_prefixes_

std::weak_ptr< TrieBatch >	parent_

Detailed Description

Definition at line 21 of file topper_trie_batch_impl.hpp.

Member Enumeration Documentation

enum kagome::storage::trie::TopperTrieBatchImpl::Error

strong

Enumerator
PARENT_EXPIRED

Definition at line 23 of file topper_trie_batch_impl.hpp.

Constructor & Destructor Documentation

kagome::storage::trie::TopperTrieBatchImpl::TopperTrieBatchImpl ( const std::shared_ptr< TrieBatch > & parent )

explicit

Definition at line 27 of file topper_trie_batch_impl.cpp.

Member Function Documentation

outcome::result< std::tuple< bool, uint32_t > > kagome::storage::trie::TopperTrieBatchImpl::clearPrefix	(	const BufferView &	prefix,
		std::optional< uint64_t >	limit
	)