Github user barrotsteindev commented on a diff in the pull request:
https://github.com/apache/lucene-solr/pull/528#discussion_r243850805
--- Diff:
solr/core/src/java/org/apache/solr/update/processor/DistributedStandaloneUpdateProcessor.java
---
@@ -0,0 +1,121 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.solr.update.processor;
+
+import java.io.IOException;
+import java.lang.invoke.MethodHandles;
+import java.util.HashSet;
+import java.util.Set;
+import java.util.concurrent.CompletionService;
+import java.util.concurrent.ExecutorCompletionService;
+import java.util.concurrent.Future;
+
+import org.apache.solr.common.cloud.Replica;
+import org.apache.solr.request.SolrQueryRequest;
+import org.apache.solr.response.SolrQueryResponse;
+import org.apache.solr.update.AddUpdateCommand;
+import org.apache.solr.update.CommitUpdateCommand;
+import org.apache.solr.update.DeleteUpdateCommand;
+import org.apache.solr.update.UpdateCommand;
+import org.apache.solr.util.TestInjection;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class DistributedStandaloneUpdateProcessor extends
DistributedUpdateProcessor {
+
+ private static final Logger log =
LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+
+ public DistributedStandaloneUpdateProcessor(SolrQueryRequest req,
+ SolrQueryResponse rsp,
UpdateRequestProcessor next) {
+ super(req, rsp, next);
+ }
+
+ public DistributedStandaloneUpdateProcessor(SolrQueryRequest req,
+ SolrQueryResponse rsp,
AtomicUpdateDocumentMerger docMerger,
+ UpdateRequestProcessor next)
{
+ super(req, rsp, docMerger, next);
+ }
+
+ @Override
+ Replica.Type computeReplicaType() {
+ return Replica.Type.NRT;
+ }
+
+ @Override
+ public void processCommit(CommitUpdateCommand cmd) throws IOException {
+
+ assert TestInjection.injectFailUpdateRequests();
+
+ updateCommand = cmd;
+
+ CompletionService<Exception> completionService = new
ExecutorCompletionService<>(req.getCore().getCoreContainer().getUpdateShardHandler().getUpdateExecutor());
+ Set<Future<Exception>> pending = new HashSet<>();
+ if (replicaType == Replica.Type.TLOG) {
+ if (isLeader) {
+ super.processCommit(cmd);
+ }
+ } else if (replicaType == Replica.Type.PULL) {
+ log.warn("Commit not supported on replicas of type " +
Replica.Type.PULL);
+ } else {
+ // NRT replicas will always commit
+ super.processCommit(cmd);
+ }
+ }
+
+ @Override
+ public void processAdd(AddUpdateCommand cmd) throws IOException {
+ assert TestInjection.injectFailUpdateRequests();
+
+ updateCommand = cmd;
+ isLeader = getNonZkLeaderAssumption(req);
+
+ super.processAdd(cmd);
+ }
+
+ @Override
+ protected void doDeleteById(DeleteUpdateCommand cmd) throws IOException {
+ isLeader = getNonZkLeaderAssumption(req);
+ super.doDeleteById(cmd);
+ }
+
+ @Override
+ protected void doDeleteByQuery(DeleteUpdateCommand cmd) throws
IOException {
+ // even in non zk mode, tests simulate updates from a leader
+ isLeader = getNonZkLeaderAssumption(req);
--- End diff --
I think it can also be used in the zkProcessor,
I'll investigate further.
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