Batch that can do every work

AnyWorkBatch.cls

public class WorkBatch implements Database.Batchable<Work>, Database.Stateful {
    
    private StateInfo state = new StateInfo();
    
    // PUBLIC
  
    public List<Work> start(Database.BatchableContext context) {
        return new List<Work>{ new AccountWork(), new ContactWork(), new OpportunityWork() };
    }
    
    public void execute(Database.BatchableContext context, List<Work> scope) {
        scope[0].execute(state);
    }

    public void finish(Database.BatchableContext context) {
        if(!finished()) {
            Database.executeBatch(new WorkBatch());
        }
    }
      
      
    // INNER
      
    public class StateInfo {
      public List<Account> accounts = new List<Account>();
      public List<Contact> contacts = new List<Contact>();
      public List<Opportunity> opps = new List<Opportunity>();
    }
        
  
    public interface Work {
      void execute(StateInfo state);
    }
        
    public class AccountWork implements Work {
      void execute(StateInfo state) {
        // ...
      }
    }
        
      public class OpportunityWork implements Work {
        void execute(StateInfo state) {
          // ...
        }
      }
        
      public class ContactWork implements Work {
        void execute(StateInfo state) {
          // ...
        }
      }
}