Class MemoryKeyValueStore

Volatile in-memory key-value store.

It is useful for storing temporal small chains, e.g., fixtures for unit tests of game logic.

MemoryStore and MemoryKeyValueStore-backed TrieStateStore can be instantiated from a URI with memory: scheme using LoadStore(Uri), e.g.:

• memory:

Inheritance

Object

MemoryKeyValueStore

Implements

IKeyValueStore

IDisposable

Inherited Members

Object.Equals(Object)

Object.Equals(Object, Object)

Object.GetHashCode()

Object.GetType()

Object.MemberwiseClone()

Object.ReferenceEquals(Object, Object)

Object.ToString()

Namespace: Libplanet.Store.Trie

Assembly: Libplanet.Store.dll

Syntax

public sealed class MemoryKeyValueStore : IKeyValueStore, IDisposable

Methods

Delete(IEnumerable<KeyBytes>)

Delete multiple keys at once.

Declaration

public void Delete(IEnumerable<KeyBytes> keys)

Parameters

Type	Name	Description
IEnumerable<KeyBytes>	keys	Keys to delete. The order of keys does not matter. Non-existent keys are ignored.

Explicit Interface Implementations

IKeyValueStore.Delete(in KeyBytes)

Deletes the given key. If the key does not exist, nothing happens.

Declaration

void IKeyValueStore.Delete(in KeyBytes key)

Parameters

Type	Name	Description
KeyBytes	key	A key to delete.

IKeyValueStore.Exists(in KeyBytes)

Checks whether the given key exists in the store.

Declaration

bool IKeyValueStore.Exists(in KeyBytes key)

Parameters

Type	Name	Description
KeyBytes	key	A key to check.

Returns

Type	Description
Boolean	true if the key exists; otherwise, false.

IKeyValueStore.Get(in KeyBytes)

Gets the value associated with the specified key.

Declaration

byte[] IKeyValueStore.Get(in KeyBytes key)

Parameters

Type	Name	Description
KeyBytes	key	The key whose value to get.

Returns

Type	Description
Byte[]	The value associated with the specified key.

Exceptions

Type	Condition
KeyNotFoundException	Thrown when the key is not found.

IKeyValueStore.ListKeys()

Volatile in-memory key-value store.

It is useful for storing temporal small chains, e.g., fixtures for unit tests of game logic.

MemoryStore and MemoryKeyValueStore-backed TrieStateStore can be instantiated from a URI with memory: scheme using LoadStore(Uri), e.g.:

• memory:

Declaration

IEnumerable<KeyBytes> IKeyValueStore.ListKeys()

Returns

Type	Description
IEnumerable<KeyBytes>

IKeyValueStore.Set(in KeyBytes, Byte[])

Sets the value to the key. If the key already exists, the value is overwritten.

Declaration

void IKeyValueStore.Set(in KeyBytes key, byte[] value)

Parameters

Type	Name	Description
KeyBytes	key	The key of the value to set.
Byte[]	value	The value to set.

IKeyValueStore.Set(IDictionary<KeyBytes, Byte[]>)

Sets all values in the given dictionary.

Declaration

void IKeyValueStore.Set(IDictionary<KeyBytes, byte[]> values)

Parameters

Type	Name	Description
IDictionary<KeyBytes, Byte[]>	values	A values to set.

IDisposable.Dispose()

Volatile in-memory key-value store.

It is useful for storing temporal small chains, e.g., fixtures for unit tests of game logic.

MemoryStore and MemoryKeyValueStore-backed TrieStateStore can be instantiated from a URI with memory: scheme using LoadStore(Uri), e.g.:

• memory:

Declaration

void IDisposable.Dispose()

Implements

IKeyValueStore

System.IDisposable