/*
Let's say we have a custom object with the following structure:

Object Name:Candidate__c:
---------------------------------------------------------------------
| Name -> Text,
| Age__c -> Integer
| Identification__c Text(10) Unique
| status__c -> Picklist('In Progres','Processed','Hold','Denied')
| Process_date__c->Date
---------------------------------------------------------------------
*/


//we create the config files, this is used to pass default values to columns among other things.
ObjectFactory.ObjectConfig config=new ObjectFactory.ObjectConfig();

//we provide the default value we want to have.
config.addDefValue('Name','John');

//this will get a random value based on the default values provided.
config.addDefValue('status__c',new string[]{'In Progres','Processed','Hold'});

/*we want the age to be also random but only containig ages from 25 to 50 inclusive. 
Last parameter indicates the quantities of records.
*/
config.addDefValue('age__c',DataFactory.getRandomIntN(25,50,50));

List<SObject> objs=new List<SObject>();

ObjectFactory facObj=new ObjectFactory();

//we create 100 record for object Candidate__c.
objs.addAll(facObj.getObjects('Candidate__c',config,100));

//finally we insert those records.
insert objs;