Inheritance is a feature of OOPS that allows us to inherit the properties or methods of a class. The base class acts as a parent, the class that is inheriting is called the child class. The child class has access to public and protected methods or variables. Just like every Read more…
The Bulk State Design pattern is the general pattern that executes the bulk of the actions in Apex based on the change of state of one or more records. Bulk transitions increase the code reusability by allowing only records that fulfill the requirements to be processed.
The refreshApex() function is used when we want to refresh the page data in lightning web components. We can update the wire function or parameter data using refreshApex (), and then component values will be rendered. Refresh apex works only when you pass the complete response as the argument.
While creating the LWC component whenever you want to call an apex function you use the @wire function in it and pass parameter in it which has @track or @api decorator attached with it like @track id; or @api id; and whenever there is any change in the parameter the Read more…
Batch class in salesforce is used to run large jobs (think thousands or millions of records!) that would exceed normal processing limits. Using Batch Apex, you can process records asynchronously in batches (hence the name, “Batch Apex”) to stay within platform limits Read more…
We can get the Ids of Salesforce Object’s custom fields in the Apex code using Tooling API. Following is the example code for the same:
String objectDevName = ‘ObjectName’;
ToolingAPI toolingAPI = new ToolingAPI();
List objectData = (List)toolingAPI.query(‘Select Id From CustomObject Where DeveloperName = \” + objectDevName + ‘\”).records;
Map customFieldIds = new Map Read more…
If you want to get records with dynamic fields (all fields or only required fields) selection of an object in Salesforce.
List normalFields = new List();
List requiredFields = new List();
Schema.DescribeSObjectResult objectDetails =
ObjectName.sObjectType.getDescribe();
Map fieldsMap = objectDetails.fields.getMap();
for(String fieldName : fieldsMap Read more…
When working with sets in apex sometimes we need to create a string from the set’s values but there is no function that can convert a set into a string as we have for lists. To convert set into a string we can use these two Read more…
We cannot delete Apex classes directly from the Production org. Also, it is not possible to deploy deleted apex classes using Changeset. So, to delete them we can use these tools – Workbench, IDE Read more…
Definition
A post install script is an Apex class which is executed when a package is installed or upgraded. This class implements the InstallHandler interface. This interface has a method named as onInstall which specifies what Read more…
