| /* |
| * Copyright 2016-2018 shardingsphere.io. |
| * <p> |
| * Licensed 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. |
| * </p> |
| */ |
| |
| package io.shardingsphere.example.jdbc.main.orche.java.etcd; |
| |
| import io.shardingsphere.core.api.config.ShardingRuleConfiguration; |
| import io.shardingsphere.core.api.config.TableRuleConfiguration; |
| import io.shardingsphere.core.api.config.strategy.InlineShardingStrategyConfiguration; |
| import io.shardingsphere.example.jdbc.fixture.DataRepository; |
| import io.shardingsphere.example.jdbc.fixture.DataSourceUtil; |
| import io.shardingsphere.jdbc.orchestration.api.OrchestrationShardingDataSourceFactory; |
| import io.shardingsphere.jdbc.orchestration.config.OrchestrationConfiguration; |
| import io.shardingsphere.jdbc.orchestration.config.OrchestrationType; |
| import io.shardingsphere.jdbc.orchestration.internal.datasource.OrchestrationShardingDataSource; |
| import io.shardingsphere.orchestration.reg.api.RegistryCenterConfiguration; |
| import io.shardingsphere.orchestration.reg.etcd.EtcdConfiguration; |
| |
| import javax.sql.DataSource; |
| import java.sql.SQLException; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| public class ShardingOnlyWithDatabases { |
| |
| private static final String ETCD_CONNECTION_STRING = "http://localhost:2379"; |
| |
| private static final boolean LOAD_CONFIG_FROM_REG_CENTER = false; |
| |
| public static void main(final String[] args) throws SQLException { |
| DataSource dataSource = getDataSource(); |
| new DataRepository(dataSource).demo(); |
| ((OrchestrationShardingDataSource) dataSource).close(); |
| } |
| |
| private static DataSource getDataSource() throws SQLException { |
| return LOAD_CONFIG_FROM_REG_CENTER ? getDataSourceFromRegCenter() : getDataSourceFromLocalConfiguration(); |
| } |
| |
| private static DataSource getDataSourceFromRegCenter() throws SQLException { |
| return OrchestrationShardingDataSourceFactory.createDataSource( |
| new OrchestrationConfiguration("orchestration-sharding-db-data-source", getRegistryCenterConfiguration(), false, OrchestrationType.SHARDING)); |
| } |
| |
| private static DataSource getDataSourceFromLocalConfiguration() throws SQLException { |
| ShardingRuleConfiguration shardingRuleConfig = new ShardingRuleConfiguration(); |
| shardingRuleConfig.getTableRuleConfigs().add(getOrderTableRuleConfiguration()); |
| shardingRuleConfig.getTableRuleConfigs().add(getOrderItemTableRuleConfiguration()); |
| shardingRuleConfig.setDefaultDatabaseShardingStrategyConfig(new InlineShardingStrategyConfiguration("user_id", "demo_ds_${user_id % 2}")); |
| OrchestrationConfiguration orchestrationConfig = new OrchestrationConfiguration( |
| "orchestration-sharding-db-data-source", getRegistryCenterConfiguration(), true, OrchestrationType.SHARDING); |
| return OrchestrationShardingDataSourceFactory.createDataSource(createDataSourceMap(), shardingRuleConfig, new HashMap<String, Object>(), new Properties(), orchestrationConfig); |
| } |
| |
| private static TableRuleConfiguration getOrderTableRuleConfiguration() { |
| TableRuleConfiguration result = new TableRuleConfiguration(); |
| result.setLogicTable("t_order"); |
| result.setKeyGeneratorColumnName("order_id"); |
| return result; |
| } |
| |
| private static TableRuleConfiguration getOrderItemTableRuleConfiguration() { |
| TableRuleConfiguration result = new TableRuleConfiguration(); |
| result.setLogicTable("t_order_item"); |
| return result; |
| } |
| |
| private static Map<String, DataSource> createDataSourceMap() { |
| Map<String, DataSource> result = new HashMap<>(); |
| result.put("demo_ds_0", DataSourceUtil.createDataSource("demo_ds_0")); |
| result.put("demo_ds_1", DataSourceUtil.createDataSource("demo_ds_1")); |
| return result; |
| } |
| |
| private static RegistryCenterConfiguration getRegistryCenterConfiguration() { |
| EtcdConfiguration result = new EtcdConfiguration(); |
| result.setServerLists(ETCD_CONNECTION_STRING); |
| return result; |
| } |
| } |