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SF Beginner 2019SF Beginner 2019 

calling a class to make it batch apex class/ job

How to call this apex class to make it a batch job?
 
public class ApplicationYearsinService{

    public static void YearsinService(List<Application__c> appList){
        //Declares the Variables, List, ID to be used
        Date dat = System.today();
        Integer yr = dat.year();   
        Map<Id, Set<Integer>> setofYear = new Map<Id, Set<Integer>>();
        Set<Id> accountIdSet = new set<Id>();
        
        //Gets the values of the Account(Account__c from the Application
        for(Application__c cs: appList ){
            accountIdSet.add(cs.Account__c);            
        }
        
        //Query in the Application to get the value from the Account
        for(Application__c p : [SELECT ID, Account__c, Received_Date__c from Application__c where Account__c IN : accountIdSet ]){
            if(p.Received_Date__c != null){
                if(setofYear.containskey(p.Account__c)){
                    if(p.Received_Date__c != NULL) {
                        setofYear.get(p.Account__c).add(p.Received_Date__c.Year());
                    }
                }
                else {
                    setofYear.put(p.Account__c, new Set<Integer>{p.Received_Date__c.Year()});
                }     
            }
        }
        
        Map<String, List<Application__c>> appMap = new Map<String ,List<Application__c>>();
        Map<String, Account> lisAcct = new  Map<String, Account>();
        List<Account> acctToUpdate = new  List<Account>();
        List<Account> accountListToLoop = [Select Id, YearsinService__c, (Select Id FROM Applications__r LIMIT 1) from Account where Id=:accountIdSet];
        for(Account acc: accountListToLoop){
            lisAcct.put(acc.Id+'', acc);
        }       
        for(Account act : accountListToLoop ){
            if(setofYear.containskey(act.id)){
                act.YearsinService__c = setofYear.get(act.id).size();
                acctToUpdate.add(act);
                lisAcct.remove(act.Id+'');
            }
            else {
                act.YearsinService__c = 0;
                acctToUpdate.add(act);
            }
        }
        Database.upsert(acctToUpdate, false); 
    }
}

 
Best Answer chosen by SF Beginner 2019
Ajay K DubediAjay K Dubedi
Hi SF,
Write below scheduler for call ApplicationYearsinService class to make it a batch job. And Instead of params pass Application__c list.

global with sharing class ApplicationYearsinService_Scheduler implements Schedulable {

    Public static void SchedulerMethod() {
        string timeinterval = '0 0 0 1/1 ? ';
        System.schedule('Batch Class will run every day at 12:00 AM',timeinterval, new ApplicationYearsinService_Scheduler());
    }
    global void execute(SchedulableContext SC) {
        ApplicationYearsinService.YearsinService(params);
    }

}

I hope you find the above solution helpful. If it does, please mark as Best Answer to help others too.
Thanks,
Ajay Dubedi

All Answers

Ajay K DubediAjay K Dubedi
Hi SF,
Write below scheduler for call ApplicationYearsinService class to make it a batch job. And Instead of params pass Application__c list.

global with sharing class ApplicationYearsinService_Scheduler implements Schedulable {

    Public static void SchedulerMethod() {
        string timeinterval = '0 0 0 1/1 ? ';
        System.schedule('Batch Class will run every day at 12:00 AM',timeinterval, new ApplicationYearsinService_Scheduler());
    }
    global void execute(SchedulableContext SC) {
        ApplicationYearsinService.YearsinService(params);
    }

}

I hope you find the above solution helpful. If it does, please mark as Best Answer to help others too.
Thanks,
Ajay Dubedi
This was selected as the best answer
SF Beginner 2019SF Beginner 2019
Hi Ajay,

what do you mean by pass the Application__c list? do I just need to change    ApplicationYearsinService.YearsinService(Application__c); and how can I test this in developer console?

Regards
 
SF Beginner 2019SF Beginner 2019
I have tried this but it seems that the cls is blank?

global with sharing class ApplicationYearsinService_Scheduler implements Schedulable {

    Public static void SchedulerMethod() {
        string timeinterval = '0 0 11 1/1 ? ';
        System.schedule('Batch Class will run every day at 12:00 AM',timeinterval, new ApplicationYearsinService_Scheduler());
    }
    global void execute(SchedulableContext SC) {
    List<Application__c> appList = new  List<Application__c>();
        ApplicationYearsinService.YearsinService(appList);
    }

}


Run in the Execute Anonymous


ApplicationYearsinService_Scheduler cls = new ApplicationYearsinService_Scheduler();
cls.execute(null);
system.debug('cls' + cls);
SF Beginner 2019SF Beginner 2019
is it possible to combine in one batch class diffrent object of scope?