| /* |
| * 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.shardingsphere.elasticjob.cloud.util.config; |
| |
| import com.google.common.base.Joiner; |
| import com.google.common.base.Strings; |
| import lombok.Getter; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * Sharding items. |
| */ |
| @Getter |
| public final class ShardingItems { |
| |
| private static final String DELIMITER = ","; |
| |
| /** |
| * Get sharding items via string. |
| * |
| * @param itemsString sharding items string |
| * @return sharding items |
| */ |
| public static List<Integer> toItemList(final String itemsString) { |
| if (Strings.isNullOrEmpty(itemsString)) { |
| return Collections.emptyList(); |
| } |
| String[] items = itemsString.split(DELIMITER); |
| List<Integer> result = new ArrayList<>(items.length); |
| for (String each : items) { |
| int item = Integer.parseInt(each); |
| if (!result.contains(item)) { |
| result.add(item); |
| } |
| } |
| return result; |
| } |
| |
| /** |
| * Get sharding items string. |
| * |
| * @param items sharding items |
| * @return sharding items string |
| */ |
| public static String toItemsString(final List<Integer> items) { |
| return items.isEmpty() ? "" : Joiner.on(DELIMITER).join(items); |
| } |
| } |