Class NullDataStore
A null datastore. Nothing is stored, nothing is retrievable.
Implements
Inherited Members
Namespace: Google.Apis.Util.Store
Assembly: Google.Apis.dll
Syntax
public class NullDataStore : IDataStore
Constructors
NullDataStore()
Construct a new null datastore, that stores nothing.
Declaration
public NullDataStore()
Methods
ClearAsync()
Asynchronously clears all values in the data store.
Declaration
public Task ClearAsync()
Returns
Type | Description |
---|---|
Task |
DeleteAsync<T>(string)
Asynchronously deletes the given key. The type is provided here as well because the "real" saved key should contain type information as well, so the data store will be able to store the same key for different types.
Declaration
public Task DeleteAsync<T>(string key)
Parameters
Type | Name | Description |
---|---|---|
string | key | The key to delete. |
Returns
Type | Description |
---|---|
Task |
Type Parameters
Name | Description |
---|---|
T | The type to delete from the data store. |
GetAsync<T>(string)
Asynchronously returns the stored value for the given key or null
if not found.
This implementation of Google.Apis.Util.Store.IDataStore will always return a completed task
with a result of null
.
Declaration
public Task<T> GetAsync<T>(string key)
Parameters
Type | Name | Description |
---|---|---|
string | key | The key to retrieve its value. |
Returns
Type | Description |
---|---|
Task<T> | Always |
Type Parameters
Name | Description |
---|---|
T | The type to retrieve from the data store. |
StoreAsync<T>(string, T)
Asynchronously stores the given value for the given key (replacing any existing value). This implementation of Google.Apis.Util.Store.IDataStore does not store the value, and will not return it in future calls to GetAsync<T>(string).
Declaration
public Task StoreAsync<T>(string key, T value)
Parameters
Type | Name | Description |
---|---|---|
string | key | The key. |
T | value | The value. |
Returns
Type | Description |
---|---|
Task | A task that completes immediately. |
Type Parameters
Name | Description |
---|---|
T | The type to store in the data store. |