jdeppe-pivotal commented on a change in pull request #6359: URL: https://github.com/apache/geode/pull/6359#discussion_r619713305
########## File path: geode-apis-compatible-with-redis/src/main/java/org/apache/geode/redis/internal/executor/cluster/ClusterExecutor.java ########## @@ -0,0 +1,199 @@ +/* + * 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.geode.redis.internal.executor.cluster; + +import static org.apache.geode.redis.internal.RedisConstants.ERROR_UNKNOWN_CLUSTER_SUBCOMMAND; +import static org.apache.geode.redis.internal.RegionProvider.REDIS_REGION_BUCKETS; +import static org.apache.geode.redis.internal.RegionProvider.REDIS_SLOTS; +import static org.apache.geode.redis.internal.RegionProvider.REDIS_SLOTS_PER_BUCKET; +import static org.apache.geode.redis.internal.cluster.BucketInfoRetrievalFunction.MemberBuckets; + +import java.util.ArrayList; +import java.util.Arrays; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.TreeMap; + +import org.apache.commons.lang3.tuple.Pair; + +import org.apache.geode.cache.Region; +import org.apache.geode.cache.execute.FunctionService; +import org.apache.geode.cache.execute.ResultCollector; +import org.apache.geode.cache.partition.PartitionMemberInfo; +import org.apache.geode.cache.partition.PartitionRegionHelper; +import org.apache.geode.cache.partition.PartitionRegionInfo; +import org.apache.geode.distributed.DistributedMember; +import org.apache.geode.redis.internal.cluster.BucketInfoRetrievalFunction; +import org.apache.geode.redis.internal.data.RedisData; +import org.apache.geode.redis.internal.data.RedisKey; +import org.apache.geode.redis.internal.executor.AbstractExecutor; +import org.apache.geode.redis.internal.executor.RedisResponse; +import org.apache.geode.redis.internal.netty.Command; +import org.apache.geode.redis.internal.netty.ExecutionHandlerContext; + +public class ClusterExecutor extends AbstractExecutor { + + @Override + public RedisResponse executeCommand(Command command, ExecutionHandlerContext context) { + + List<byte[]> args = command.getProcessedCommand(); + String subCommand = new String(args.get(1)); + + StringBuilder strArgs = new StringBuilder(); + args.forEach(x -> strArgs.append(new String(x)).append(" ")); + + switch (subCommand.toLowerCase()) { + case "info": + return getInfo(context); + case "nodes": + return getNodes(context); + case "slots": + return getSlots(context); + default: { + return RedisResponse.error( + String.format(ERROR_UNKNOWN_CLUSTER_SUBCOMMAND, subCommand)); Review comment: Removing this error response return would require returning `null` which just doesn't look right to me (although functionally it will never get hit). However I've chosen to remove the subcommand check from the param validator in favor of keeping this code. This also means there is just one place to update when subsequent subcommands are added. -- 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]
