AccountTriggerHandler.cls

/*
    @Author : Amit Singh
    @BuiltDate : 21st March 2018
    @Description : Handler class that will be created by developer and allowed only one for every object
    
*/
public class AccountTriggerHandler implements TriggerInterface{
 
    public void BeforeInsert(List<SObject> newItems) {
        /* Update the Account name before account inserted into Salesorce */
        for(Account acc : (List<Account>)newItems){
            acc.Name = 'Trigger FrameWork ' +acc.Name;
        }
    }
 
    public void BeforeUpdate(Map<Id, SObject> newItems, Map<Id, SObject> oldItems) {}
 
    public void BeforeDelete(List<sObject> oldRecordsList , Map<Id, SObject> oldItems) {}
 
    public void AfterInsert(List<sObject> newRecordsList , Map<Id, SObject> newItems) {
        Try{
        }Catch(System.Exception ex){
            /* Call the TransactionLogHandler class method to create a log 
               parameters need to pass in the method are System.Exception and the Handler ClassName
            */
            TransactionLogHandler.doHandleException(ex , 'AccountTriggerHandler');
        }
    }
 
    public void AfterUpdate(Map<Id, SObject> newItems, Map<Id, SObject> oldItems) {
        /* Update the AccountNumber */
        List<Account> accountToUpdateList = new List<Account>();
        Try{
           for(Account acc : [Select Id, Name, AccountNumber From Account Where Id =: newItems.keySet()]){
               acc.AccountNumber = '123345543625253735';
               accountToUpdateList.add(acc);
           }
           /* Update Account and Test if the Recursion is Being prevented */
           update accountToUpdateList;
        }Catch(System.Exception ex){
            /* Call the TransactionLogHandler class method to create a log 
               parameters need to pass in the method are System.Exception and the Handler ClassName
            */
            TransactionLogHandler.doHandleException(ex , 'AccountTriggerHandler');
        }
    }
 
    public void AfterDelete(Map<Id, SObject> oldItems) {}
 
    public void AfterUndelete(List<sObject> newRecordsList , Map<Id, sObject> newItems) {}
    
}