Github user hanm commented on a diff in the pull request:
https://github.com/apache/zookeeper/pull/628#discussion_r219034842
--- Diff:
src/java/test/org/apache/zookeeper/server/quorum/DelayRequestProcessor.java ---
@@ -0,0 +1,77 @@
+/**
+ * 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.zookeeper.server.quorum;
+
+import org.apache.zookeeper.server.Request;
+import org.apache.zookeeper.server.RequestProcessor;
+
+import java.util.concurrent.LinkedBlockingQueue;
+
+public class DelayRequestProcessor implements RequestProcessor {
+
+ private boolean blocking;
+ RequestProcessor next;
+
+ private LinkedBlockingQueue<Request> incomingRequests = new
LinkedBlockingQueue<>();
+
+ private DelayRequestProcessor(RequestProcessor next) {
+ this.blocking = true;
+ this.next = next;
+ }
+
+ @Override
+ public void processRequest(Request request) throws
RequestProcessorException {
+ if (blocking) {
+ incomingRequests.add(request);
+ } else {
+ next.processRequest(request);
+ }
+ }
+
+ public void submitRequest(Request request) throws
RequestProcessorException {
+ next.processRequest(request);
+ }
+
+ @Override
+ public void shutdown() {
+ }
+
+ public void unblockQueue() throws RequestProcessorException {
+ if (blocking) {
+ for (Request request : incomingRequests) {
+ next.processRequest(request);
+ }
+ blocking = false;
+ }
+ }
+
+ public static DelayRequestProcessor
injectDelayRequestProcessor(LeaderZooKeeperServer zooKeeperServer) {
--- End diff --
Is this method needed? Seems no code uses it.
---
