dbwong commented on a change in pull request #771: URL: https://github.com/apache/phoenix/pull/771#discussion_r416094635
########## File path: phoenix-core/src/it/java/org/apache/phoenix/util/DelayedRegionServer.java ########## @@ -0,0 +1,109 @@ +/* + * 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.phoenix.util; + +import com.google.protobuf.RpcController; +import com.google.protobuf.ServiceException; +import org.apache.hadoop.conf.Configuration; +import org.apache.hadoop.hbase.CoordinatedStateManager; +import org.apache.hadoop.hbase.MiniHBaseCluster; +import org.apache.hadoop.hbase.protobuf.generated.ClientProtos; +import org.apache.hadoop.hbase.regionserver.HRegionServer; +import org.apache.hadoop.hbase.regionserver.RSRpcServices; + +import java.io.IOException; + +public class DelayedRegionServer extends MiniHBaseCluster.MiniHBaseClusterRegionServer { + static boolean doDelay = false; + // Activate the delays after table creation to test get/scan/put + private static int DELAY_GET = 0; + private static int DELAY_SCAN = 30000; + private static int DELAY_MUTATE = 0; + + public static void setDelayEnabled(boolean delay) { + doDelay = delay; + } + + public static void setDelayGet(int delayGet) { + DELAY_GET = delayGet; + } + + public static void setDelayScan(int delayScan) { + DELAY_SCAN = delayScan; + } + + public static void setDelayMutate(int delayMutate) { + DELAY_MUTATE = delayMutate; + } + + public DelayedRegionServer(Configuration conf, CoordinatedStateManager cp) + throws IOException, InterruptedException { + super(conf, cp); + } + + @Override protected RSRpcServices createRpcServices() throws IOException { + return new DelayedRSRpcServices(this); + } + + /** + * This class injects delay for Rpc calls and after executes super methods is delay is set. + */ + public static class DelayedRSRpcServices extends RSRpcServices { + + DelayedRSRpcServices(HRegionServer rs) throws IOException { + super(rs); + } + + @Override public ClientProtos.GetResponse get(RpcController controller, + ClientProtos.GetRequest request) throws ServiceException { + try { + if (doDelay) { + Thread.sleep(DELAY_GET); + } + } catch (InterruptedException e) { + LOG.error("Sleep interrupted during get operation", e); Review comment: Sure ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected]
