Make compliant and noncompliant examples consistent, add comments to specify files separation

Author: rombirli

rules/S5384/apex/rule.adoc

@@ -15,7 +15,7 @@ This rule raises an issue when a Trigger function contains one of the following
 
 [source,apex]
 ----
-trigger MyTrigger on Account(after insert, after update) { // Noncompliant. The trigger is processing records itself instead of using a Trigger Handler.
+trigger MyTrigger on Account(after insert) { // Noncompliant. The trigger is processing records itself instead of using a Trigger Handler.
     for(Account a : Trigger.New) {
         // ... 
     }
@@ -27,27 +27,18 @@ trigger MyTrigger on Account(after insert, after update) { // Noncompliant. The
 
 [source,apex]
 ----
+// In your .cls file
 public with sharing class AccountTriggerHandler {
-    public static void handleAfterEvents(List<Account> newAccounts, System.TriggerOperation triggerEvent) {
-        switch on triggerEvent {
-            when AFTER_INSERT {
-                processNewAccounts(newAccounts);
-            }
-            when AFTER_UPDATE {
-                // ...
-            }
-        }
-    }
-
-    private static void processNewAccounts(List<Account> accountList) {
-        for (Account a : accountList) {
+    public static void handleAfterEvents(List<Account> newAccounts) {
+       for(Account a : newAccounts) {
             // ...
         }
     }
 }
 
-trigger AccountTrigger on Account(after insert, after update) { // Compliant: The trigger just delegates the work
-    AccountTriggerHandler.handleAfterEvents(Trigger.new, Trigger.operationType);
+// In your .trigger file
+trigger AccountTrigger on Account(after insert) { // Compliant: The trigger just delegates the work
+    AccountTriggerHandler.handleAfterEvents(Trigger.New);
 }
 ----