jdyer1 commented on code in PR #2899:
URL: https://github.com/apache/solr/pull/2899#discussion_r1878873445
##########
solr/solrj/src/java/org/apache/solr/client/solrj/impl/LBHttp2SolrClient.java:
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@@ -94,35 +97,74 @@
*
* @since solr 8.0
*/
-public class LBHttp2SolrClient<C extends HttpSolrClientBase> extends
LBSolrClient {
+public class LBHttp2SolrClient<B extends HttpSolrClientBuilderBase<?, ?>>
extends LBSolrClient {
- protected final C solrClient;
+ private final Map<String, HttpSolrClientBase> urlToClient;
+ private final Set<String> urlParamNames;
+
+ private final HttpSolrClientBuilderBase<?, ?> solrClientBuilder;
@SuppressWarnings("unchecked")
private LBHttp2SolrClient(Builder<?> builder) {
super(Arrays.asList(builder.solrEndpoints));
- this.solrClient = (C) builder.solrClient;
+ this.solrClientBuilder = builder.solrClientBuilder;
+
+ this.urlToClient = new ConcurrentHashMap<>();
+ for (LBSolrClient.Endpoint endpoint : builder.solrEndpoints) {
+ buildClient(endpoint);
+ }
+
this.aliveCheckIntervalMillis = builder.aliveCheckIntervalMillis;
this.defaultCollection = builder.defaultCollection;
+
+ if (builder.solrClientBuilder.urlParamNames == null) {
+ this.urlParamNames = Collections.emptySet();
+ } else {
+ this.urlParamNames =
Collections.unmodifiableSet(builder.solrClientBuilder.urlParamNames);
+ }
+ }
+
+ private synchronized HttpSolrClientBase buildClient(Endpoint endpoint) {
Review Comment:
The `synchronized` keyword was to prevent multiple threads from adding
clients for the same Base Url. However, in taking your advice to use
`computeIfAbsent` this removes the need.
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