| /* |
| * 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.management.internal.cli.commands; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.LinkedHashSet; |
| import java.util.Objects; |
| import java.util.Set; |
| import java.util.TreeSet; |
| import java.util.stream.Collectors; |
| |
| import org.springframework.shell.core.annotation.CliCommand; |
| import org.springframework.shell.core.annotation.CliOption; |
| |
| import org.apache.geode.annotations.Immutable; |
| import org.apache.geode.cache.execute.ResultCollector; |
| import org.apache.geode.distributed.DistributedMember; |
| import org.apache.geode.management.cli.CliMetaData; |
| import org.apache.geode.management.cli.ConverterHint; |
| import org.apache.geode.management.cli.GfshCommand; |
| import org.apache.geode.management.internal.cli.CliUtil; |
| import org.apache.geode.management.internal.cli.domain.RegionInformation; |
| import org.apache.geode.management.internal.cli.functions.GetRegionsFunction; |
| import org.apache.geode.management.internal.cli.i18n.CliStrings; |
| import org.apache.geode.management.internal.cli.result.model.ResultModel; |
| import org.apache.geode.management.internal.cli.result.model.TabularResultModel; |
| import org.apache.geode.management.internal.security.ResourceOperation; |
| import org.apache.geode.security.ResourcePermission; |
| |
| public class ListRegionCommand extends GfshCommand { |
| @Immutable |
| private static final GetRegionsFunction getRegionsFunction = new GetRegionsFunction(); |
| |
| @CliCommand(value = {CliStrings.LIST_REGION}, help = CliStrings.LIST_REGION__HELP) |
| @CliMetaData(relatedTopic = CliStrings.TOPIC_GEODE_REGION) |
| @ResourceOperation(resource = ResourcePermission.Resource.CLUSTER, |
| operation = ResourcePermission.Operation.READ) |
| public ResultModel listRegion( |
| @CliOption(key = {CliStrings.GROUP, CliStrings.GROUPS}, |
| optionContext = ConverterHint.MEMBERGROUP, |
| help = CliStrings.LIST_REGION__GROUP__HELP) String[] group, |
| @CliOption(key = {CliStrings.MEMBER, CliStrings.MEMBERS}, |
| optionContext = ConverterHint.MEMBERIDNAME, |
| help = CliStrings.LIST_REGION__MEMBER__HELP) String[] memberNameOrId) { |
| ResultModel result = new ResultModel(); |
| |
| ResultCollector<?, ?> rc; |
| Set<DistributedMember> targetMembers = findMembers(group, memberNameOrId); |
| |
| if (targetMembers.isEmpty()) { |
| return ResultModel.createInfo(CliStrings.NO_MEMBERS_FOUND_MESSAGE); |
| } |
| |
| TabularResultModel resultData = result.addTable("regionInfo"); |
| rc = CliUtil.executeFunction(getRegionsFunction, null, targetMembers); |
| ArrayList<?> resultList = (ArrayList<?>) rc.getResult(); |
| |
| if (resultList != null) { |
| // Gather all RegionInformation into a flat set. |
| Set<RegionInformation> regionInfoSet = |
| new LinkedHashSet<>(resultList.stream().filter(Objects::nonNull) |
| .filter(Object[].class::isInstance).map(Object[].class::cast).flatMap(Arrays::stream) |
| .filter(RegionInformation.class::isInstance).map(RegionInformation.class::cast) |
| .collect(Collectors.toSet())); |
| |
| Set<String> regionNames = new TreeSet<>(); |
| |
| for (RegionInformation regionInfo : regionInfoSet) { |
| regionNames.add(regionInfo.getName()); |
| Set<String> subRegionNames = regionInfo.getSubRegionNames(); |
| |
| regionNames.addAll(subRegionNames); |
| } |
| |
| if (regionNames.isEmpty()) { |
| return ResultModel.createInfo(CliStrings.LIST_REGION__MSG__NOT_FOUND); |
| } |
| |
| for (String regionName : regionNames) { |
| resultData.accumulate("List of regions", regionName); |
| } |
| } |
| |
| return result; |
| } |
| } |