subscribe #
Listens to changes occuring in this document. Throws an error if this document has not yet been created in Kuzzle.
The provided callback will be called everytime a notification is received from Kuzzle.
subscribe([options], callback) #
Arguments | Type | Description |
---|---|---|
options | object | Subscription configuration |
callback | function | Callback that will be called each time a change has been detected on this document |
Options #
Options are directly passed to the Room object constructor.
Return Value #
Returns an object exposing the following method: onDone(callback)
The callback
argument is called when the subscription ends, either successfully or with an error.
Usage #
document
.subscribe(function (error, notification) {
// called each time a change occurs on this document
})
.onDone(function (error, roomObject) {
// Handles the subscription result
});
document
.subscribe({subscribeToSelf: true, volatile: { myId: 'someId'}}, function (error, notification) {
// called each time a change occurs on this document
})
.onDone(function (error, roomObject) {
// Handles the subscription result
});
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