public ExtantNetwork extantNetwork()
throws NotEnoughResourcesException, TransientEntityException {
if (!NetworkGroups.networkingConfiguration().hasNetworking()) {
ExtantNetwork bogusNet = ExtantNetwork.bogus(this);
if (!this.hasExtantNetwork()) this.setExtantNetwork(bogusNet);
return bogusNet;
} else if (!Entities.isPersistent(this)) {
throw new TransientEntityException(this.toString());
} else {
ExtantNetwork exNet = this.getExtantNetwork();
if (exNet == null) {
for (Integer i : Numbers.shuffled(NetworkGroups.networkTagInterval())) {
try {
Entities.uniqueResult(ExtantNetwork.named(i));
continue;
} catch (Exception ex) {
exNet = ExtantNetwork.create(this, i);
Entities.persist(exNet);
this.setExtantNetwork(exNet);
return this.getExtantNetwork();
}
}
throw new NotEnoughResourcesException(
"Failed to allocate network tag for network: "
+ this.getFullName()
+ ": no network tags are free.");
} else {
return this.getExtantNetwork();
}
}
}
