Struct idb_sys::DatabaseRequest

pub struct DatabaseRequest { /* private fields */ }

Request returned by Factory when opening or deleting a database.

Implementations

impl DatabaseRequest

pub fn database(&self) -> Result<Database, Error>

Returns the database associated with this request

pub fn on_blocked<F>(&mut self, callback: F) where
    F: FnOnce(VersionChangeEvent) + 'static, 

Adds an event handler for blocked event.

pub fn on_upgrade_needed<F>(&mut self, callback: F) where
    F: FnOnce(VersionChangeEvent) + 'static, 

Adds an event handler for upgradeneeded event.

Trait Implementations

impl Debug for DatabaseRequest

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl From<DatabaseRequest> for IdbOpenDbRequest

fn from(request: DatabaseRequest) -> Self

Converts to this type from the input type.

impl From<DatabaseRequest> for JsValue

fn from(value: DatabaseRequest) -> Self

Converts to this type from the input type.

impl From<IdbOpenDbRequest> for DatabaseRequest

fn from(inner: IdbOpenDbRequest) -> Self

Converts to this type from the input type.

impl Request for DatabaseRequest

fn result(&self) -> Result<JsValue, Error>

When a request is completed, returns the result, or undefined if the request failed. Returns an Error if the request is still pending.

fn error(&self) -> Result<Option<DomException>, Error>

When a request is completed, returns the error (a DOMException), or None if the request succeeded. Returns an Error if the request is still pending.

fn source(&self) -> Result<Object, Error>

Returns the ObjectStore, Index, or Cursor the request was made against, or null if it was an open request.

fn transaction(&self) -> Option<Transaction>

Returns the Transaction the request was made within. If this as an open request, then it returns an upgrade transaction while it is running, or None otherwise.

fn ready_state(&self) -> Result<RequestReadyState, Error>

Returns RequestReadyState::Pending until a request is complete, then returns RequestReadyState::Done.

fn on_success<F>(&mut self, callback: F) where
    F: FnOnce(Event) + 'static, 

Adds an event handler for success event.

fn on_error<F>(&mut self, callback: F) where
    F: FnOnce(Event) + 'static, 

Adds an event handler for error event.

impl TryFrom<EventTarget> for DatabaseRequest

type Error = Error

The type returned in the event of a conversion error.

fn try_from(target: EventTarget) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<JsValue> for DatabaseRequest

type Error = Error

The type returned in the event of a conversion error.

fn try_from(value: JsValue) -> Result<Self, Self::Error>

Performs the conversion.