Class StoreLoaderAttribute

Registers a static method as a store loader. The method must comply with StoreLoader delegate.

Inheritance

System.Object

StoreLoaderAttribute

Namespace: Libplanet.Store

Assembly: Libplanet.Store.dll

Syntax

public class StoreLoaderAttribute : Attribute

Examples

With the below code, SampleStore and SampleStateStore-backed TrieStateStore can be instantiated from a URI like sample:///home/foo/bar?cache=512:

[StoreLoader("sample")]
private static (IStore Store, IStateStore StateStore) Loader(Uri storeUri)
{
    NameValueCollection query = HttpUtility.ParseQueryString(storeUri.Query);
    int cache = query.GetInt32("cache", 128);
    var store = new SampleStore(storeUri.LocalPath, cache);
    var stateStore = new SampleStateStore(storeUri.LocalPath, cache);
    return (store, stateStore);
}

Constructors

StoreLoaderAttribute(String)

Instniates a new StoreLoaderAttribute with the specified uriScheme.

Declaration

public StoreLoaderAttribute(string uriScheme)

Parameters

Type	Name	Description
System.String	uriScheme	The URI scheme to associate with the attributed store loader method.

Properties

UriScheme

The URI scheme to associate with the attributed store loader method.

Declaration

public string UriScheme { get; }

Property Value

Type	Description
System.String

Methods

ListStoreLoaders()

Lists all registered store loaders.

Declaration

public static IEnumerable<(string UriScheme, Type DeclaringType)> ListStoreLoaders()

Returns

Type	Description
IEnumerable<System.ValueTuple<System.String, Type>>	Pairs of registered URI scheme and declaring type.

LoadStore(Uri)

Loads a pair of IStore and IStateStore from the specified storeUri.

Declaration

public static (IStore Store, IStateStore StateStore)? LoadStore(Uri storeUri)

Parameters

Type	Name	Description
Uri	storeUri	A URI referring to a store.

Returns

Type	Description
System.Nullable<System.ValueTuple<IStore, IStateStore>>	A pair of loaded IStore and IStateStore.