Class FileDataStore

File data store that implements Google.Apis.Util.Store.IDataStore. This store creates a different file for each combination of type and key. This file data store stores a JSON format of the specified object.

Inheritance

System.Object

FileDataStore

Implements

Google.Apis.Util.Store.IDataStore

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: Google.Apis.Util.Store

Assembly: Google.Apis.dll

Syntax

public class FileDataStore : IDataStore

Constructors

FileDataStore(String, Boolean)

Constructs a new file data store. If fullPath is false the path will be used as relative to Environment.SpecialFolder.ApplicationData" on Windows, or $HOME on Linux and MacOS, otherwise the input folder will be treated as absolute. The folder is created if it doesn't exist yet.

Declaration

public FileDataStore(string folder, bool fullPath = false)

Parameters

Type	Name	Description
System.String	folder	Folder path.
System.Boolean	fullPath	Defines whether the folder parameter is absolute or relative to Environment.SpecialFolder.ApplicationData on Windows, or$HOME on Linux and MacOS.

Properties

FolderPath

Gets the full folder path.

Declaration

public string FolderPath { get; }

Property Value

Type	Description
System.String

Methods

ClearAsync()

Clears all values in the data store. This method deletes all files in FolderPath.

Declaration

public Task ClearAsync()

Returns

Type	Description
System.Threading.Tasks.Task

DeleteAsync<T>(String)

Deletes the given key. It deletes the GenerateStoredKey(String, Type) named file in FolderPath.

Declaration

public Task DeleteAsync<T>(string key)

Parameters

Type	Name	Description
System.String	key	The key to delete from the data store.

Returns

Type	Description
System.Threading.Tasks.Task

Type Parameters

Name	Description
T

GenerateStoredKey(String, Type)

Creates a unique stored key based on the key and the class type.

Declaration

public static string GenerateStoredKey(string key, Type t)

Parameters

Type	Name	Description
System.String	key	The object key.
System.Type	t	The type to store or retrieve.

Returns

Type	Description
System.String

GetAsync<T>(String)

Returns the stored value for the given key or null if the matching file (GenerateStoredKey(String, Type) in FolderPath doesn't exist.

Declaration

public Task<T> GetAsync<T>(string key)

Parameters

Type	Name	Description
System.String	key	The key to retrieve from the data store.

Returns

Type	Description
System.Threading.Tasks.Task<T>	The stored object.

Type Parameters

Name	Description
T	The type to retrieve.

StoreAsync<T>(String, T)

Stores the given value for the given key. It creates a new file (named GenerateStoredKey(String, Type)) in FolderPath.

Declaration

public Task StoreAsync<T>(string key, T value)

Parameters

Type	Name	Description
System.String	key	The key.
T	value	The value to store in the data store.

Returns

Type	Description
System.Threading.Tasks.Task

Type Parameters

Name	Description
T	The type to store in the data store.

Implements

Google.Apis.Util.Store.IDataStore