kagome::offchain::OffchainPersistentStorageImpl Class Reference

#include <offchain_persistent_storage.hpp>

Inheritance diagram for kagome::offchain::OffchainPersistentStorageImpl:

Collaboration diagram for kagome::offchain::OffchainPersistentStorageImpl:

Public Member Functions
	OffchainPersistentStorageImpl (std::shared_ptr< storage::BufferStorage > storage)
outcome::result< void >	set (const common::BufferView &key, common::Buffer value) override
	Sets a value in the storage. More...
outcome::result< void >	clear (const common::BufferView &key) override
	Remove a value from the local storage. More...
outcome::result< bool >	compare_and_set (const common::BufferView &key, const std::optional< common::BufferView > &expected, common::Buffer value) override
	Sets a new value in the local storage if the condition matches the current value. More...
outcome::result< common::Buffer >	get (const common::BufferView &key) override
	Gets a value from the local storage. More...
Public Member Functions inherited from kagome::offchain::OffchainStorage
virtual	~OffchainStorage ()=default

Private Attributes
std::shared_ptr< storage::BufferStorage >	storage_
std::mutex	mutex_
log::Logger	log_

Detailed Description

Definition at line 16 of file offchain_persistent_storage.hpp.

Constructor & Destructor Documentation

kagome::offchain::OffchainPersistentStorageImpl::OffchainPersistentStorageImpl ( std::shared_ptr< storage::BufferStorage >  storage )

explicit

Definition at line 23 of file offchain_persistent_storage.cpp.

Member Function Documentation

outcome::result< void > kagome::offchain::OffchainPersistentStorageImpl::clear ( const common::BufferView &  key )

overridevirtual

Remove a value from the local storage.

Parameters

key	a pointer-size indicating the key

Returns

success or error

Implements kagome::offchain::OffchainStorage.

Definition at line 37 of file offchain_persistent_storage.cpp.

outcome::result< bool > kagome::offchain::OffchainPersistentStorageImpl::compare_and_set ( const common::BufferView &  key, const std::optional< common::BufferView > &  expected, common::Buffer  value  )

overridevirtual

Sets a new value in the local storage if the condition matches the current value.

Parameters

key	a pointer-size indicating the key
expected	a pointer-size indicating the old value
value	a pointer-size indicating the new value

Returns

bool as result, or error at failure

Implements kagome::offchain::OffchainStorage.

Definition at line 44 of file offchain_persistent_storage.cpp.

outcome::result< common::Buffer > kagome::offchain::OffchainPersistentStorageImpl::get ( const common::BufferView &  key )

overridevirtual

Gets a value from the local storage.

Parameters

key	a pointer-size indicating the key

Returns

value for success, or error at failure

Implements kagome::offchain::OffchainStorage.

Definition at line 66 of file offchain_persistent_storage.cpp.

outcome::result< void > kagome::offchain::OffchainPersistentStorageImpl::set ( const common::BufferView &  key, common::Buffer  value  )

overridevirtual

Sets a value in the storage.

Parameters

key	a pointer-size indicating the key
value	a pointer-size indicating the value

Returns

success or error

Implements kagome::offchain::OffchainStorage.

Definition at line 30 of file offchain_persistent_storage.cpp.

Member Data Documentation

log::Logger kagome::offchain::OffchainPersistentStorageImpl::log_

private

Definition at line 37 of file offchain_persistent_storage.hpp.

std::mutex kagome::offchain::OffchainPersistentStorageImpl::mutex_

private

Definition at line 36 of file offchain_persistent_storage.hpp.

std::shared_ptr<storage::BufferStorage> kagome::offchain::OffchainPersistentStorageImpl::storage_

private

Definition at line 34 of file offchain_persistent_storage.hpp.

---

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

• core/offchain/impl/offchain_persistent_storage.hpp
• core/offchain/impl/offchain_persistent_storage.cpp