Questions tagged [setter]
The setter tag has no usage guidance.
32
questions
0
votes
4
answers
62
views
getter vs setter in LWC
Can a getter do everything that a setter can do?
For example,
uppercaseItemName;
@api
get itemName()
{
return this.uppercaseItemName;
}
set itemName(value)
{
this.uppercaseItemName = value....
- 167
1
vote
1
answer
356
views
LWC - NavigationMixin.GenerateUrl promise returns JavaScript:void(0)
In my component, I have an api setter method for recordId and I am generating a URL based on the given recordId inside the setter. I am storing the generated URL and using it as href value like this &...
- 13
-4
votes
1
answer
52
views
Test class for setters & getters in virtual class [closed]
How to write test class to cover setters and getters in virtual class. Please help to get code coverage for the below class
public virtual class TriggerHandlerExtension {
public List<String&...
0
votes
2
answers
701
views
Unable to pass an array from parent LWC to child LWC setter method
Trying to pass a array value from parent component to child component using setter method in child LWC but empty value is being passed to child setter method. I am Using parent LWC as a quick action. ...
3
votes
1
answer
234
views
Apex Final Property Behaves Like a Member Variable
Assume we have a simple class:
public with sharing class SomeClass {
public String property {
get;
set;
} {
property = 'Default Property Value';
}
public ...
- 6,517
8
votes
1
answer
1k
views
LWC best practices: Getters for derived values vs. setters for controlling values
I'm aware of two separate ways to manage dynamic, derived values in Lightning Web Components, and I'd like to get a better idea of when to use each one.
Here is a sample LWC: a repeatable row showing ...
- 2,902
5
votes
1
answer
703
views
Loop in javascript setter takes 1 second per iteration
I have an array attribute in my LWC component which is set from the parent LWC. I have some logic that runs when the this attribute is set. I have used getter and setter for this. My array is a ...
- 53
3
votes
2
answers
10k
views
When to use getter and setter instead of simple property (@apir or @track) declaration in LWC?
For example,
If I can use,
@track/@api xyz='stackexchange' and then access it later in the component directly
then why would I use something like this,
get xyz {
return 'stackexchange'
}
2
votes
1
answer
2k
views
LWC Conditional rendering: alternative for fetching the initial database value?
Looking for a conditional rendering solution in lwc, which uses the initial value of a field in the database to decide whether to render or not. I have found a way to get it working, but it seems like ...
- 33
0
votes
2
answers
47
views
Problem with understanding way of work with VF page
So my task is to get two dates from user and based on that do some fancy logic which will result in creation of table with data requested.
To begin with i wanted to create small VFpage with two ...
- 307
-1
votes
1
answer
37
views
How to invoke controller setter method in trigger beforeInsert()?
That is my VF page:
<apex:page standardController="Lead" extensions="LeadDuplicateController" tabStyle="Lead">
<apex:pageBlock >
<apex:pageBlockSection title="Lead ...
- 397
2
votes
2
answers
396
views
How to access Class members decorated using { get; set; }
I'm trying to save on boilerplate code so tried to use { get; set; } idiom, but the function will not resolve.
This is the class with decorated properties.
public class Counter {
private static ...
- 419
2
votes
2
answers
41
views
Difference between using and not using get; set; in data passed from backend
What is the difference between using and not using get; set; in data passed from backend?
I saw examples like this in Apex:
using get; set;
public with sharing class MyBackendController {
...
- 776
2
votes
1
answer
2k
views
Need help to cover {get; set;} methods on a TestClass
i need some help on a TestClass as i said above, bellow i wil show you what the class looks like and the TestClass:
APEX CLASS:
public with sharing class DirectDebitController {
public class ...
1
vote
2
answers
335
views
Visualforce getters are called before setter when selecting a select option
I've noticed that when I have an <apex:selectList/> with a value attribute that calls a setter method to set a value in the controller all my getters get called before the initial set call ...
- 2,584
0
votes
0
answers
768
views
Getter and setter methods for wrapper class in salesforce
Please help me in clearing this doubt..
I have a wrapper class which I am using to store JSON values received from external system, on doing Json.deserialize it parses all the values as received.
...
- 165
0
votes
0
answers
54
views
Why can't we use set(setter) without a get(getter)? [duplicate]
I need to just display the result of the user input field in following code:
public class EX_1 {
public Integer i1{set;}
public Integer i2{set;}
public Integer result=i1+i2;
public Integer display(){
...
- 316
-5
votes
1
answer
800
views
Why is the setter method not working in the following code?
On running the following code in apex and visualforce respectively i am receiving following error:
Error: Unknown property 'Setter_Method.Oportunities'
Quick Fix Create Apex property '...
- 316
0
votes
1
answer
279
views
How to invoke Blob setter method?
I have a class with the following getter/setter:
public Blob csvFileBody{get;set;}
I have a test method from where I need to invoke the blob setter from the controller class.
Please advise how to ...
- 3
-6
votes
1
answer
1k
views
How to assign value for getter setter variable from Apex test class [closed]
Class A{
public object obj{get;set;}
}
Test Class
Class A_Test{
//how to assign value fo obj variable
}
- 67
4
votes
1
answer
1k
views
get set method for value in class
I have a class with a getter and setter method. Could anyone explain how this works. If I am correct it is suppose to get and set a variable between a visualforce page and apex class. Is this also ...
- 399
1
vote
2
answers
342
views
Public Variable Returns Null
I am trying to return a JSON string to my controller for rendering on a Visualforce page. The query builds correctly and the JSON string builds locally within the method buildQuery.
However my top ...
- 1,036
1
vote
1
answer
434
views
DML is NOT Recommended in APEX Property Setter
I just got a strange recommendation from SalesForce support which was related to inability of APEX controller class to save value from VisualForce component to a custom setting.
The recommendation ...
- 227
0
votes
1
answer
142
views
Getter Setter between two Visualforce pages
I am confused how to use to getter setter in the situation of two Visualforce pages having different extensions.
1 VF Page(Main Page): This page calls Opportunity as Standard Controller and having ...
- 389
0
votes
1
answer
248
views
param value returns null
I have below VF page.I am passing value from data table.value="{!rlist.Id}" is coming as null.So on button click it is throwing me error for below soql as selectedresourceid =null
...
12
votes
4
answers
24k
views
why we use {get; set;} syntax in wrapper class or in controller class
public class Wrapper
{
public String fname{get; set;} //why we use get; set; syntax here
public String lname{get; set;}
public String uname{get; set;}
}
also here
public class Controller{
...
- 121
0
votes
2
answers
216
views
Null Pointer exception for a set<ID>
I have below code in apex constructor of the controller where it shows null pointer exception. Can someone please let me know if I have issues with declaration and also the workaround.
for(...
- 2,900
0
votes
1
answer
54
views
Problem with Rendered attribute behaving incorrectly. Seems to always return false when the page is loaded?
I must be doing something silly with my code, but cannot for the life of me figure out why neither the Boolean userNeedsVerify nor the method checkForVerify() are rendering when they should be. I've ...
- 879
8
votes
1
answer
6k
views
Simple getter setter
How to pass value from user side or vf page side by using this type of getter setter is there any way to pass value using this type?
Here is the Code
public class simplegetset
{
public String ...
- 367
0
votes
1
answer
87
views
Different way to write getter and setter
Hi i have code that shows an error "Error: simplegetset Compile Error: Variable is not visible: userinput at line 14 column 15".I just want to know is this not right way to define get and set here is ...
- 367
1
vote
1
answer
60
views
What is the behavior of a class attribute setter defined inline?
This came up in my answer on this other question
I'm actually not 100% certain of the exact behavior of defining a setter method (does it completely override the standard setter? or is it run ...
- 46.5k
5
votes
1
answer
2k
views
Setter not running on List.add()
Calling the add() method on a list doesn't force the setter to be called.
First off, why is the setter not running? Secondly, is there a way to somehow override List.add() and steal the action, or do ...
- 3,754