private Map<String, List<String>> buildUrlMap(DocCollection col) {
Map<String, List<String>> urlMap = new HashMap<>();
Collection<Slice> slices = col.getActiveSlices();
Iterator<Slice> sliceIterator = slices.iterator();
while (sliceIterator.hasNext()) {
Slice slice = sliceIterator.next();
String name = slice.getName();
List<String> urls = new ArrayList<>();
Replica leader = slice.getLeader();
if (leader == null) {
// take unoptimized general path - we cannot find a leader yet
return null;
}
ZkCoreNodeProps zkProps = new ZkCoreNodeProps(leader);
String url = zkProps.getCoreUrl();
urls.add(url);
Collection<Replica> replicas = slice.getReplicas();
Iterator<Replica> replicaIterator = replicas.iterator();
while (replicaIterator.hasNext()) {
Replica replica = replicaIterator.next();
if (!replica.getNodeName().equals(leader.getNodeName())
&& !replica.getName().equals(leader.getName())) {
ZkCoreNodeProps zkProps1 = new ZkCoreNodeProps(replica);
String url1 = zkProps1.getCoreUrl();
urls.add(url1);
}
}
urlMap.put(name, urls);
}
return urlMap;
}
/**
* Walks the NamedList response after performing an update request looking for the replication
* factor that was achieved in each shard involved in the request. For single doc updates, there
* will be only one shard in the return value.
*/
@SuppressWarnings("rawtypes")
public Map<String, Integer> getShardReplicationFactor(String collection, NamedList resp) {
connect();
Map<String, Integer> results = new HashMap<String, Integer>();
if (resp instanceof CloudSolrServer.RouteResponse) {
NamedList routes = ((CloudSolrServer.RouteResponse) resp).getRouteResponses();
ClusterState clusterState = zkStateReader.getClusterState();
Map<String, String> leaders = new HashMap<String, String>();
for (Slice slice : clusterState.getActiveSlices(collection)) {
Replica leader = slice.getLeader();
if (leader != null) {
ZkCoreNodeProps zkProps = new ZkCoreNodeProps(leader);
String leaderUrl = zkProps.getBaseUrl() + "/" + zkProps.getCoreName();
leaders.put(leaderUrl, slice.getName());
String altLeaderUrl = zkProps.getBaseUrl() + "/" + collection;
leaders.put(altLeaderUrl, slice.getName());
}
}
Iterator<Map.Entry<String, Object>> routeIter = routes.iterator();
while (routeIter.hasNext()) {
Map.Entry<String, Object> next = routeIter.next();
String host = next.getKey();
NamedList hostResp = (NamedList) next.getValue();
Integer rf =
(Integer) ((NamedList) hostResp.get("responseHeader")).get(UpdateRequest.REPFACT);
if (rf != null) {
String shard = leaders.get(host);
if (shard == null) {
if (host.endsWith("/")) shard = leaders.get(host.substring(0, host.length() - 1));
if (shard == null) {
shard = host;
}
}
results.put(shard, rf);
}
}
}
return results;
}