@Override
public void addChild(Location parent, Location newChild) {
if (this.manager != null) {
parent.getChildLocations().add(newChild);
newChild.setParentLocation(parent);
manager.persistLocation(newChild);
}
}
@Override
public boolean removeChild(Location child) {
if (child.getParentLocation() != null && manager != null) {
child.getParentLocation().getChildLocations().remove(child);
child.setParentLocation(null);
manager.cascadeDeleteLocation(child.getId());
return true;
}
return false;
}
@Override
public boolean hasChildren(Location item) {
return item.getChildLocations().size() > 0;
}
@Override
public List<Location> getChildren(Location item) {
return new ArrayList<Location>(item.getChildLocations());
}
@Override
public Location getParent(Location item) {
return item.getParentLocation();
}