public static void CriteriaPatternDemo()
{
Person p1 = new Person("Aykut", 24, Gender.MALE);
Person p2 = new Person("Yilmaz", 55, Gender.MALE);
Person p3 = new Person("Esra", 50, Gender.FEMALE);
Person p4 = new Person("Zeynep", 12, Gender.FEMALE);
List <Person> family = new List <Person>()
{
p1, p2, p3, p4
};
ICriteria <Person> maleCriteria = new MaleCriteria();
ICriteria <Person> femaleCriteria = new FemaleCriteria();
ICriteria <Person> teenCriteria = new TeenCriteria();
var males = maleCriteria.Filter(family).ToList();
var females = femaleCriteria.Filter(family).ToList();
var teens = teenCriteria.Filter(family).ToList();
ICriteria <Person> maleAndTeenCriteria = new AndCriteria(maleCriteria, teenCriteria);
var teenMales = maleAndTeenCriteria.Filter(family);
ICriteria <Person> femaleAndTeenCriteria = new AndCriteria(femaleCriteria, teenCriteria);
var teenFemales = femaleAndTeenCriteria.Filter(family);
ICriteria <Person> maleOrTeenCriteria = new OrCriteria(maleCriteria, teenCriteria);
var malesOrTeens = maleOrTeenCriteria.Filter(family);
}