package family;
import datastructures.BinTree;

/* Hogy ne kelljen a BinTree forráskódjához hozzányúlni a Serializable miatt. */
aspect MakeBinTreeSerializable {
	declare parents: BinTree implements java.io.Serializable;
}

public class FamilyTree
extends BinTree<Person> 
{
	public FamilyTree( Person person ){
		super(person);
	}

	public @Override FamilyTree getLeft(){ return (FamilyTree) super.getLeft(); }
	public @Override FamilyTree getRight(){ return (FamilyTree) super.getRight(); }

	public @Override void setLeft( BinTree<Person> left ){
		if( left != null ){
			if(!(left instanceof FamilyTree) ){
				throw new IllegalArgumentException("Father is of wrong type: " + left.getClass());
			} else if( !left.getData().isMale ){
				throw new IllegalArgumentException("Father must be male");
			}
		}
		super.setLeft(left);
	}

	public @Override void setRight( BinTree<Person> right ){
		if( right != null ){
			if( !(right instanceof FamilyTree) ){
				throw new IllegalArgumentException("Mother is of wrong type: " + right.getClass());
			} else if( right.getData().isMale ){
				throw new IllegalArgumentException("Mother must be female");
			}
		}	
		super.setRight(right);
	}

}