public boolean addSegEnd(SegEnd aSegEnd) {
boolean wasAdded = false;
if (segEnds.contains(aSegEnd)) {
return false;
}
segEnds.add(aSegEnd);
if (aSegEnd.indexOfCanalNetwork(this) != -1) {
wasAdded = true;
} else {
wasAdded = aSegEnd.addCanalNetwork(this);
if (!wasAdded) {
segEnds.remove(aSegEnd);
}
}
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 removeSegEnd(SegEnd aSegEnd) {
boolean wasRemoved = false;
if (!segEnds.contains(aSegEnd)) {
return wasRemoved;
}
int oldIndex = segEnds.indexOf(aSegEnd);
segEnds.remove(oldIndex);
if (aSegEnd.indexOfCanalNetwork(this) == -1) {
wasRemoved = true;
} else {
wasRemoved = aSegEnd.removeCanalNetwork(this);
if (!wasRemoved) {
segEnds.add(oldIndex, aSegEnd);
}
}
return wasRemoved;
}
