public boolean setCanalNetwork(CanalNetwork aCanalNetwork) {
boolean wasSet = false;
CanalNetwork existingCanalNetwork = canalNetwork;
canalNetwork = aCanalNetwork;
if (existingCanalNetwork != null && !existingCanalNetwork.equals(aCanalNetwork)) {
existingCanalNetwork.removeSubNetwork(this);
}
if (aCanalNetwork != null) {
aCanalNetwork.addSubNetwork(this);
}
wasSet = true;
return wasSet;
}
public boolean addActiveVessel(Craft aActiveVessel) {
boolean wasAdded = false;
if (activeVessels.contains(aActiveVessel)) {
return false;
}
CanalNetwork existingCanalNetwork = aActiveVessel.getCanalNetwork();
if (existingCanalNetwork == null) {
aActiveVessel.setCanalNetwork(this);
} else if (!this.equals(existingCanalNetwork)) {
existingCanalNetwork.removeActiveVessel(aActiveVessel);
addActiveVessel(aActiveVessel);
} else {
activeVessels.add(aActiveVessel);
}
wasAdded = true;
return wasAdded;
}
public boolean addSubNetwork(CanalNetwork aSubNetwork) {
boolean wasAdded = false;
if (subNetwork.contains(aSubNetwork)) {
return false;
}
CanalNetwork existingCanalNetwork = aSubNetwork.getCanalNetwork();
if (existingCanalNetwork == null) {
aSubNetwork.setCanalNetwork(this);
} else if (!this.equals(existingCanalNetwork)) {
existingCanalNetwork.removeSubNetwork(aSubNetwork);
addSubNetwork(aSubNetwork);
} else {
subNetwork.add(aSubNetwork);
}
wasAdded = true;
return wasAdded;
}
public void delete() {
while (!subNetwork.isEmpty()) {
subNetwork.get(0).setCanalNetwork(null);
}
while (!activeVessels.isEmpty()) {
activeVessels.get(0).setCanalNetwork(null);
}
ArrayList<SegEnd> copyOfSegEnds = new ArrayList<SegEnd>(segEnds);
segEnds.clear();
for (SegEnd aSegEnd : copyOfSegEnds) {
aSegEnd.removeCanalNetwork(this);
}
if (canalNetwork != null) {
CanalNetwork placeholderCanalNetwork = canalNetwork;
this.canalNetwork = null;
placeholderCanalNetwork.removeSubNetwork(this);
}
}
public boolean removeSubNetwork(CanalNetwork aSubNetwork) {
boolean wasRemoved = false;
if (subNetwork.contains(aSubNetwork)) {
subNetwork.remove(aSubNetwork);
aSubNetwork.setCanalNetwork(null);
wasRemoved = true;
}
return wasRemoved;
}
