private NodeIdentifier resolveNodeId(final NodeIdentifier proposedIdentifier) { final NodeConnectionStatus proposedConnectionStatus = new NodeConnectionStatus(proposedIdentifier, DisconnectionCode.NOT_YET_CONNECTED); final NodeConnectionStatus existingStatus = nodeStatuses.putIfAbsent(proposedIdentifier, proposedConnectionStatus); NodeIdentifier resolvedNodeId = proposedIdentifier; if (existingStatus == null) { // there is no node with that ID resolvedNodeId = proposedIdentifier; logger.debug("No existing node with ID {}; resolved node ID is as-proposed", proposedIdentifier.getFullDescription()); onNodeAdded(resolvedNodeId, true); } else if (existingStatus.getNodeIdentifier().logicallyEquals(proposedIdentifier)) { // there is a node with that ID but it's the same node. resolvedNodeId = proposedIdentifier; logger.debug("A node already exists with ID {} and is logically equivalent; resolved node ID is as-proposed: {}", proposedIdentifier.getId(), proposedIdentifier.getFullDescription()); } else { // there is a node with that ID and it's a different node resolvedNodeId = new NodeIdentifier(UUID.randomUUID().toString(), proposedIdentifier.getApiAddress(), proposedIdentifier.getApiPort(), proposedIdentifier.getSocketAddress(), proposedIdentifier.getSocketPort(), proposedIdentifier.getLoadBalanceAddress(), proposedIdentifier.getLoadBalancePort(), proposedIdentifier.getSiteToSiteAddress(), proposedIdentifier.getSiteToSitePort(), proposedIdentifier.getSiteToSiteHttpApiPort(), proposedIdentifier.isSiteToSiteSecure()); logger.debug("A node already exists with ID {}. Proposed Node Identifier was {}; existing Node Identifier is {}; Resolved Node Identifier is {}", proposedIdentifier.getId(), proposedIdentifier.getFullDescription(), getNodeIdentifier(proposedIdentifier.getId()).getFullDescription(), resolvedNodeId.getFullDescription()); } return resolvedNodeId; }