How do you call a method imperatively LWC with parameters?
Call Apex Method Imperatively in LWC To call the apex method imperatively, we need to import the method from @salesforce/apex/ module in variable accounts. Then we can use this variable to call the method and pass the parameters if required. This method will return the Promise.
What is the use of cacheable true in Apex?
To set cacheable=true , a method must only get data. It can’t mutate data. Marking a method as storable (cacheable) improves your component’s performance by quickly showing cached data from client-side storage without waiting for a server trip.
What is cacheable true in LWC?
Secondly, we need to make a method available to Lightning Web Component (LWC). Here cacheable=true enable client side caching. So marking a method as cacheable improves our component’s performance. Because it can quickly show cached data from client-side storage without waiting for a server trip.
What is wire in LWC?
Lightning web components(LWC) use a reactive wire service, which is built on Lightning Data Service. Components use @wire in their JavaScript class to read data from one of the wire adapters in the lightning/ui*Apimodules and also to call the apex controller server-side methods using wire services.
What happens when you call a method imperatively?
To control when the method invocation occurs (for example, in response to clicking a button), call the method imperatively. When you call a method imperatively, you receive only a single response. Compare this behavior with @wire, which delegates control to the framework and results in a stream of values being provisioned.
What happens when an auraenabled method is cacheable?
When an @AuraEnabled method is cacheable, Data Manipulation Language (DML) operations are not allowed. In line 2 of this example, we make the getRelatedContacts method cacheable. When a method is cacheable, newly added or changed versions of records may not be returned until the cache is refreshed.
How to refresh data that was cached by Apex?
To refresh the data that was cached by an Apex method, call the refreshApex function. Note: Lightning Data Service is unaware of the data that’s cached by Apex methods.
How to use cacheable method in Salesforce Lightning?
Cacheable methods perform better, so use them when possible. To use @wire to call an Apex method, you must set cacheable=true. To call an Apex method imperatively, you can choose to set cacheable=true. The caching refresh time is the duration in seconds before an entry is refreshed in storage.