ComplexPerson.java

package er.ajax.example;

import com.webobjects.foundation.NSArray;
import com.webobjects.foundation.NSMutableArray;

public class ComplexPerson extends SimplePerson {

	private ComplexPerson _spouse;
	private NSMutableArray<ComplexPerson> _children = new NSMutableArray<>();

	public ComplexPerson(String name, int age) {
		super(name, age);
	}

	public ComplexPerson() {
	}

	public boolean simpleEquals(ComplexPerson person) {
		return super.equals(person);
	}
	
	@Override
	public boolean equals(Object obj) {
		boolean equals = (obj instanceof ComplexPerson);
		if (equals) {
			ComplexPerson other = (ComplexPerson)obj;
			equals = simpleEquals(other);
			if (equals) {
				if (_spouse == null) {
					equals = (other._spouse == null);
				}
				else {
					equals = _spouse.simpleEquals(other._spouse);
				}
			}
			if (equals) {
				equals = (_children.count() == other._children.count());
			}
			if (equals) {
				for (int i = 0; i < _children.count(); i ++) {
					equals &= _children.objectAtIndex(i).simpleEquals(other._children.objectAtIndex(i)); 
				}
			}
		}
		return equals;
	}

	public ComplexPerson getSpouse() {
		return _spouse;
	}

	public void setSpouse(ComplexPerson spouse) {
		_spouse = spouse;
	}

	public NSArray<ComplexPerson> getChildren() {
		return _children;
	}

	public void setChildren(NSArray<ComplexPerson> children) {
		_children = children != null ? children.mutableClone() : null;
	}
}