@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 moveChild(Location child, Location newParent) { if (manager == null) return false; return manager.moveLocation(child, newParent); }