Batch Apex Class

batch_apex_class.cls

/**
 * Title
 *
 * @author 
 * @version 1.0
 * @description 
 * @uses  
 * @history
 * 		yyyy-mm-dd : 
 */
public without sharing class MyBatch implements Database.Batchable<sObject>, Database.Stateful, Schedulable, Database.AllowsCallouts {
	
    public Iterable<sObject> start(Database.BatchableContext bc) {
    	return Database.getQueryLocator([Select Id From XXXX ...]);
    }
    
    public void execute(Database.BatchableContext bc, List<SObject> scope) {
    	for(SObject obj : scope){
      }
    }
    
    public void finish (Database.BatchableContext bc) {
    
    }
    
    public void execute(SchedulableContext SC) {
        Database.executeBatch(new MyBatch(), 1);

    }
}