rishisankar commented on a change in pull request #1770:
URL: https://github.com/apache/lucene-solr/pull/1770#discussion_r474810544
##########
File path:
solr/solrj/src/java/org/apache/solr/client/solrj/impl/BaseCloudSolrClient.java
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@@ -853,6 +858,18 @@ public RouteException(ErrorCode errorCode,
NamedList<Throwable> throwables, Map<
@Override
public NamedList<Object> request(@SuppressWarnings({"rawtypes"})SolrRequest
request, String collection) throws SolrServerException, IOException {
+ // synchronous requests should return an already completed future
+ return getNowOrException(makeRequest(request, collection, false));
+ }
+
+ CompletableFuture<NamedList<Object>> makeRequest(SolrRequest<?> request,
+ String collection,
+ boolean isAsyncRequest)
throws SolrServerException, IOException {
+ if (isAsyncRequest && !(getLbClient() instanceof LBHttp2SolrClient)) {
+ log.warn("Asynchronous requests require HTTP/2 SolrJ client, defaulting
to synchronous request.");
+ isAsyncRequest = false;
Review comment:
The reason I included this check was because I later cast
`(LBHttp2SolrClient)getLbClient()` (in sendRequest) - so even without this
check, custom LB client implementations wouldn't work unless they subclass
LBHttp2SolrClient. Perhaps another approach is to add an abstract asyncRequest
method to LBSolrClient (which both `LBHttpSolrClient` and `LBHttp2SolrClient`
extend) and just call that instead - and throw an
`UnsupportedOperationException` in the case of the HTTP/1 client for now. What
do you think?
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