Search Identity by attribute using QueryOptions & Filter

Below is the code to search for Identity using sailpoint api

 import sailpoint.object.Identity;  

 import sailpoint.object.QueryOptions;  

  import sailpoint.object.Link;  

  import sailpoint.object.Filter;  

  import java.util.*;

QueryOptions queryOption = new QueryOptions();

queryOption.addFilter(Filter.eq("firstname","Adam"));

Iterator identityIterator = context.search(Identity.class, queryOption);  

System.out.println("identityIterator : " + identityIterator);

while ( identityIterator.hasNext() ) {  

System.out.println("identityIterator : in while " );

    Identity id = (Identity) identityIterator.next();  

    System.out.println("id : " + id);

   System.out.println("Name : "+id.getName());  

   System.out.println("Attributes : "+id.getAttributes()); 

   System.out.println("Role Assignments : "+id.getRoleAssignments());

   System.out.println("Links : "+id.getLinks());

  

}