All Questions
7 questions
0
votes
1
answer
951
views
Tips to generalize code in apex with Map<string, set<string>> and Map<string, set<SObject>> and how to call method of SObject
I am working on some generalization of my code and I'm struggling with some cases which are irritating me because I think I'm having code duplicity.
1) I'm often working with some map<string, set&...
- 125
0
votes
2
answers
473
views
Is it possible to create a generic Map swapper?
I have a method:
public Map<Object, Object> swap(Map<Object, Object> valueByKeyMap) {
Map<Object, Object> keyByValueMap = new Map<Object, Object>();
for (Object key : ...
- 4,674
1
vote
2
answers
2k
views
Is it possible to convert Map<Object, List<Object>> to Map<Id, List<SomeConcreteSObject>> without a loop?
As a Salesforce developer, I am frequently working with Maps and am looking to abstract the process of generating maps from SObject lists.
I've created the following helper class:
private class ...
- 4,674
-2
votes
1
answer
171
views
How to create a Map with generics Id and String?
How to create a Map<Id, String>([SELECT Id, Name from Account]);?
The query returns Map<Id, Account>.
I want to get a Map<Id, String> without using loops and without having to ...
- 427
6
votes
2
answers
2k
views
In Apex, can I detect if an Object is a Map, regardless of parameterized types?
When I declare a Map, I need to give the types, e.g.:
Map<Id, SObject> sObjectByIdMap = new Map<Id, SObject>();
We can assign map to generic values as Objects:
Object value = ...
- 4,674
10
votes
2
answers
12k
views
What is the best way to cast/convert Map<String, SObject> to Map<Object, Object> and back again?
To reduce code duplication, at the risk of type safety, I have some method:
public Map<Object, Object> doSomething(Map<Object, Object> inputMap) {
Map<Object, Object> outputMap;
...
- 4,674
2
votes
1
answer
79
views
How can I abstract building maps from SObject Lists in a good way? [duplicate]
I frequently find I want/need to map a list of SObjects by a value other than it's own Id.
So, I'd like to abstract this process to make it reusable.
For example, I might want to map Contacts by ...
- 4,674