@Nullable
public Integer getCurrentNodeVersion(long receiverId, long senderId, long nidWithoutVersion)
throws NodeNotFoundException {
final NodeSerie nodeSerie =
this.nodes
.getByUserId(receiverId)
.getOidToRemovedEmptyAndAliveSeries()
.get(nidWithoutVersion);
if (nodeSerie == null) {
throw new NodeNotFoundException("Node not found");
}
if (nodeSerie.hasBeenDeleted() || nodeSerie.hasNoVersion()) {
return null;
}
return nodeSerie.getCurrentVersion();
}
@Nullable
public NidVer getLatestVersionBeforeDeletion(
long receiverId, long senderId, long nidWithoutVersion) throws NodeNotFoundException {
final NodeSerie nodeSerie =
this.nodes
.getByUserId(receiverId)
.getOidToRemovedEmptyAndAliveSeries()
.get(nidWithoutVersion);
if (nodeSerie == null) {
throw new NodeNotFoundException("Node not found");
}
if (nodeSerie.hasNoVersion()) {
throw new ExpectableException("This shoud never happen");
}
if (!nodeSerie.hasBeenDeleted()) {
return null;
}
return new NidVer(nidWithoutVersion, nodeSerie.getLatestVersionBeforeDeletion());
}