| /* |
| * 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.connectors.jdbc.internal.cli; |
| |
| |
| import java.util.ArrayList; |
| |
| import org.springframework.shell.core.annotation.CliAvailabilityIndicator; |
| import org.springframework.shell.core.annotation.CliCommand; |
| import org.springframework.shell.core.annotation.CliOption; |
| |
| import org.apache.geode.annotations.Experimental; |
| import org.apache.geode.cache.configuration.CacheConfig; |
| import org.apache.geode.cache.configuration.RegionConfig; |
| import org.apache.geode.connectors.jdbc.internal.configuration.RegionMapping; |
| import org.apache.geode.distributed.ConfigurationPersistenceService; |
| 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.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; |
| |
| @Experimental |
| public class ListMappingCommand extends GfshCommand { |
| public static final String JDBC_MAPPINGS_SECTION = "jdbc-mappings"; |
| static final String LIST_MAPPING = "list jdbc-mappings"; |
| static final String LIST_MAPPING__HELP = EXPERIMENTAL + "Display JDBC mappings for all members."; |
| static final String LIST_OF_MAPPINGS = "List of JDBC mappings"; |
| static final String NO_MAPPINGS_FOUND = "No JDBC mappings found"; |
| |
| private static final String LIST_MAPPING__GROUPS_NAME__HELP = |
| "Server Group(s) of the JDBC mappings to list."; |
| |
| @CliCommand(value = LIST_MAPPING, help = LIST_MAPPING__HELP) |
| @CliMetaData(relatedTopic = CliStrings.DEFAULT_TOPIC_GEODE) |
| @ResourceOperation(resource = ResourcePermission.Resource.CLUSTER, |
| operation = ResourcePermission.Operation.MANAGE) |
| public ResultModel listMapping(@CliOption(key = {CliStrings.GROUP, CliStrings.GROUPS}, |
| optionContext = ConverterHint.MEMBERGROUP, |
| help = LIST_MAPPING__GROUPS_NAME__HELP) String[] groups) { |
| ArrayList<RegionMapping> mappings = new ArrayList<>(); |
| |
| try { |
| ConfigurationPersistenceService configService = checkForClusterConfiguration(); |
| if (groups == null) { |
| groups = new String[] {ConfigurationPersistenceService.CLUSTER_CONFIG}; |
| } |
| for (String group : groups) { |
| CacheConfig cacheConfig = getCacheConfig(configService, group); |
| for (RegionConfig regionConfig : cacheConfig.getRegions()) { |
| mappings.addAll( |
| MappingCommandUtils.getMappingsFromRegionConfig(cacheConfig, regionConfig, group)); |
| } |
| } |
| } catch (PreconditionException ex) { |
| return ResultModel.createError(ex.getMessage()); |
| } |
| |
| // output |
| ResultModel resultModel = new ResultModel(); |
| boolean mappingsExist = |
| fillTabularResultData(mappings, resultModel.addTable(JDBC_MAPPINGS_SECTION)); |
| if (mappingsExist) { |
| resultModel.setHeader(EXPERIMENTAL); |
| return resultModel; |
| } else { |
| return ResultModel.createInfo(EXPERIMENTAL + "\n" + NO_MAPPINGS_FOUND); |
| } |
| } |
| |
| /** |
| * Returns true if any connections exist |
| */ |
| private boolean fillTabularResultData(ArrayList<RegionMapping> mappings, |
| TabularResultModel tableModel) { |
| if (mappings == null) { |
| return false; |
| } |
| for (RegionMapping mapping : mappings) { |
| tableModel.accumulate(LIST_OF_MAPPINGS, mapping.getRegionName()); |
| } |
| return !mappings.isEmpty(); |
| } |
| |
| private CacheConfig getCacheConfig(ConfigurationPersistenceService configService, String group) |
| throws PreconditionException { |
| CacheConfig result = configService.getCacheConfig(group); |
| if (result == null) { |
| throw new PreconditionException( |
| "Cache Configuration not found" |
| + ((group.equals(ConfigurationPersistenceService.CLUSTER_CONFIG)) ? "." |
| : " for group " + group + ".")); |
| } |
| return result; |
| } |
| |
| private ConfigurationPersistenceService checkForClusterConfiguration() |
| throws PreconditionException { |
| ConfigurationPersistenceService result = getConfigurationPersistenceService(); |
| if (result == null) { |
| throw new PreconditionException("Cluster Configuration must be enabled."); |
| } |
| return result; |
| } |
| |
| @CliAvailabilityIndicator({LIST_MAPPING}) |
| public boolean commandAvailable() { |
| return isOnlineCommandAvailable(); |
| } |
| } |