...
| PlantUML Macro |
|---|
object "hallvard: Person" as hallvard {
}
object "marit: Person" as marit {
}
object "jens: Person" as jens {
}
|
| marit.addChild(jens) hallvard.addChild(jens) | | PlantUML Macro |
|---|
object "hallvard: Person" as hallvard {
}
object "marit: Person" as marit {
}
object "jens: Person" as jens {
}
marit -> jens: children
jens -> marit: mother
hallvard -> jens: children
jens -> hallvard: father |
| Establish links with addChild. (Same effect as below) |
| PlantUML Macro |
|---|
object "hallvard: Person" as hallvard {
}
object "marit: Person" as marit {
}
object "jens: Person" as jens {
}
|
| jens.setMother(marit) jens.setFather(hallvard) | | PlantUML Macro |
|---|
object "hallvard: Person" as hallvard {
}
object "marit: Person" as marit {
}
object "jens: Person" as jens {
}
marit -> jens: children
jens -> marit: mother
hallvard -> jens: children
jens -> hallvard: father |
| Establish links with setMother og setFather. (Same effekt as above) |
| PlantUML Macro |
|---|
object "hallvard: Person" as hallvard {
}
object "marit: Person" as marit {
}
object "jens: Person" as jens {
}
marit -> jens: children
jens -> marit: mother
hallvard -> jens: children
jens -> hallvard: father |
| marit.removeChild(jens) hallvard.removeChild(jens)
| | PlantUML Macro |
|---|
object "hallvard: Person" as hallvard {
}
object "marit: Person" as marit {
}
object "jens: Person" as jens {
}
|
| Removal of links with removeChild. (Same effect as below) |
| PlantUML Macro |
|---|
object "hallvard: Person" as hallvard {
}
object "marit: Person" as marit {
}
object "jens: Person" as jens {
}
marit -> jens: children
jens -> marit: mother
hallvard -> jens: children
jens -> hallvard: father |
| jens.setMother(null) jens.setFather(null) | | PlantUML Macro |
|---|
object "hallvard: Person" as hallvard {
}
object "marit: Person" as marit {
}
object "jens: Person" as jens {
}
|
| Removal of links with setMother og setFather. (Same effekt as above) |
| PlantUML Macro |
|---|
object "hallvard: Person" as hallvard {
}
object "marit: Person" as marit {
}
object "jens: Person" as jens {
}
object "torkel: Person" as torkel {
}
object "jorunn: Person" as jorunn {
}
marit -> jens: children
jens -> marit: mother
hallvard -> jens: children
jens -> hallvard: father |
| jens.setFather(torkel) jens.setMother(jorunn) | | PlantUML Macro |
|---|
object "hallvard: Person" as hallvard {
}
object "marit: Person" as marit {
}
object "jens: Person" as jens {
}
object "torkel: Person" as torkel {
}
object "jorunn: Person" as jorunn {
}
jorunn -> jens: children
jens -> jorunn: mother
torkel -> jens: children
jens -> torkel: father |
| Remove and establish links with setMother og setFather, i.e. "adoption". |
The task is split in two parts, the first handles the children- and mother/father roles in isolation without considering consistency, while the other must ensure consistency.
...
Use the Exercise panel, open the Person.ex file (tests > objectstructures > Person.ex) in the panel before you start the start programming.
Part 1
- Implement the addChild and removeChild methods so the getChildCount and getChild methods work as expected. These methods only handle the children role.
- Implement the setMother and setFather methods so the getMother and getFather methods work as expected. These methods only handle the mother/father roles.
...
