/**
* Converts collection of rich nodes to block location data.
*
* @param nodes Collection of affinity nodes.
*/
private void convertFromNodes(Collection<ClusterNode> nodes) {
Collection<String> names = new LinkedHashSet<>();
Collection<String> hosts = new LinkedHashSet<>();
Collection<UUID> nodeIds = new ArrayList<>(nodes.size());
for (final ClusterNode node : nodes) {
// Normalize host names into Hadoop-expected format.
try {
Collection<InetAddress> addrs = U.toInetAddresses(node);
for (InetAddress addr : addrs) {
if (addr.getHostName() == null) names.add(addr.getHostAddress() + ":" + 9001);
else {
names.add(addr.getHostName() + ":" + 9001); // hostname:portNumber
hosts.add(addr.getHostName());
}
}
} catch (IgniteCheckedException ignored) {
names.addAll(node.addresses());
}
nodeIds.add(node.id());
}
this.nodeIds = nodeIds;
this.names = names;
this.hosts = hosts;
}
