edu.pdx.cs399J.family
Class FamilyTree

java.lang.Object
  edu.pdx.cs399J.family.FamilyTree

All Implemented Interfaces:

Serializable

public class FamilyTree
extends Object
implements Serializable

This class represents a family tree. Essentially, it is a collection of people. Family trees are always rooted at the person with id 1.

Author:

David Whitlock

See Also:

Serialized Form

Constructor Summary

FamilyTree()
Creates an empty family tree.

Method Summary

void	addPerson(Person person) Adds a person to this family tree.
boolean	containsPerson(int id) Returns whether or not this family tree contains a person with the given id.
Collection<Person>	getPeople() Returns a collection of Persons that are in this family tree.
Person	getPerson(int id) Returns a person in this family tree with a given id.
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

FamilyTree

public FamilyTree()

Creates an empty family tree.

Method Detail

getPeople

public Collection<Person> getPeople()

Returns a collection of Persons that are in this family tree.

containsPerson

public boolean containsPerson(int id)

Returns whether or not this family tree contains a person with the given id.

getPerson

public Person getPerson(int id)

Returns a person in this family tree with a given id. If no person with that id exists in this family tree, then null is returned.

addPerson

public void addPerson(Person person)

Adds a person to this family tree. If a person with the same id as the person being added already exists in this family tree, the old person is removed and replaced with the new.

toString

public String toString()

Overrides:

toString in class Object