Kagome
Polkadot Runtime Engine in C++17
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#include <generic_maps.hpp>
Public Member Functions | |
virtual size_t | size () const =0 |
Public Member Functions inherited from kagome::storage::face::Iterable< K, V, KView > | |
virtual | ~Iterable ()=default |
virtual std::unique_ptr< Cursor > | cursor ()=0 |
Returns new key-value iterator. More... | |
Public Member Functions inherited from kagome::storage::face::ReadableStorage< KView, V > | |
virtual | ~ReadableStorage ()=default |
virtual outcome::result< V > | load (const Key &key) const =0 |
Load value by key. More... | |
virtual outcome::result< std::optional< V > > | tryLoad (const Key &key) const =0 |
Load value by key. More... | |
Public Member Functions inherited from kagome::storage::face::ReadableBase< KView > | |
virtual | ~ReadableBase ()=default |
virtual outcome::result< bool > | contains (const Key &key) const =0 |
Checks if given key-value binding exists in the storage. More... | |
virtual bool | empty () const =0 |
Returns true if the storage is empty. More... | |
Public Member Functions inherited from kagome::storage::face::Writeable< KView, V > | |
virtual | ~Writeable ()=default |
virtual outcome::result< void > | put (const KView &key, const V &value)=0 |
Store value by key. More... | |
virtual outcome::result< void > | put (const KView &key, V &&value)=0 |
virtual outcome::result< void > | remove (const KView &key)=0 |
Remove value by key. More... | |
Public Member Functions inherited from kagome::storage::face::BatchWriteable< KView, V > | |
virtual | ~BatchWriteable ()=default |
virtual std::unique_ptr< WriteBatch< KView, V > > | batch ()=0 |
Creates new Write Batch - an object, which can be used to efficiently write bulk data. More... | |
Additional Inherited Members | |
Public Types inherited from kagome::storage::face::Iterable< K, V, KView > | |
using | Cursor = MapCursor< K, V, KView > |
Public Types inherited from kagome::storage::face::ReadableStorage< KView, V > | |
using | Key = KView |
using | Value = V |
Public Types inherited from kagome::storage::face::ReadableBase< KView > | |
using | Key = KView |
Definition at line 41 of file generic_maps.hpp.
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pure virtual |
Reports RAM state size
Implemented in kagome::storage::InMemoryStorage, kagome::storage::RocksDB, and kagome::storage::trie::TrieStorageBackendImpl.