new Platform
PlatformStorage use server side storage to permanently store data and allows its retrieval.
Methods
add
Register change listener for given key of stored data.
Parameters:
| Name | Type | Description |
|---|---|---|
key |
String | Identifier of stored data. |
changeListener |
Object | Function to be invoked when change of value occurs - will be called with null if no data is available |
delete(key) → {Promise}
Delete value from storage. Also removes all registered listeners for given key and unsubscribes from RECORD subject.
Parameters:
| Name | Type | Description |
|---|---|---|
key |
String | Identifier of stored data to be deleted. |
Returns:
Promise that will be resolved when operation is completed.
- Type
- Promise
remove
Unregister change listener for given key of stored data.
Parameters:
| Name | Type | Description |
|---|---|---|
key |
String | Identifier of stored data. |
changeListener |
Object | Function to be unregistered from listening to change of value. |
save(key, data) → {Promise}
Save value to storage. Record will be created if it does not exist.
Parameters:
| Name | Type | Description |
|---|---|---|
key |
String | Identifier of data to be stored. |
data |
String | Data to store. |
Returns:
Promise that will be resolved when operation is completed.
- Type
- Promise