| /* |
| * 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.MasterSlaveRuleConfiguration; |
| import io.shardingsphere.example.jdbc.fixture.DataRepository; |
| import io.shardingsphere.example.jdbc.fixture.DataSourceUtil; |
| import io.shardingsphere.jdbc.orchestration.api.OrchestrationMasterSlaveDataSourceFactory; |
| import io.shardingsphere.jdbc.orchestration.config.OrchestrationConfiguration; |
| import io.shardingsphere.jdbc.orchestration.config.OrchestrationType; |
| import io.shardingsphere.jdbc.orchestration.internal.datasource.OrchestrationMasterSlaveDataSource; |
| 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.Arrays; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Properties; |
| |
| /* |
| * Please make sure master-slave data sync on MySQL is running correctly. Otherwise this example will query empty data from slave. |
| */ |
| public class MasterSlaveOnly { |
| |
| 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(); |
| ((OrchestrationMasterSlaveDataSource) dataSource).close(); |
| } |
| |
| private static DataSource getDataSource() throws SQLException { |
| return LOAD_CONFIG_FROM_REG_CENTER ? getDataSourceFromRegCenter() : getDataSourceFromLocalConfiguration(); |
| } |
| |
| private static DataSource getDataSourceFromRegCenter() throws SQLException { |
| return OrchestrationMasterSlaveDataSourceFactory.createDataSource( |
| new OrchestrationConfiguration("orchestration-master-slave-data-source", getRegistryCenterConfiguration(), false, OrchestrationType.MASTER_SLAVE)); |
| } |
| |
| private static DataSource getDataSourceFromLocalConfiguration() throws SQLException { |
| MasterSlaveRuleConfiguration masterSlaveRuleConfig = new MasterSlaveRuleConfiguration("demo_ds_master_slave", "demo_ds_master", Arrays.asList("demo_ds_slave_0", "demo_ds_slave_1")); |
| OrchestrationConfiguration orchestrationConfig = new OrchestrationConfiguration( |
| "orchestration-master-slave-data-source", getRegistryCenterConfiguration(), true, OrchestrationType.MASTER_SLAVE); |
| return OrchestrationMasterSlaveDataSourceFactory.createDataSource(createDataSourceMap(), masterSlaveRuleConfig, new HashMap<String, Object>(), new Properties(), orchestrationConfig); |
| } |
| |
| private static RegistryCenterConfiguration getRegistryCenterConfiguration() { |
| EtcdConfiguration result = new EtcdConfiguration(); |
| result.setServerLists(ETCD_CONNECTION_STRING); |
| return result; |
| } |
| |
| private static Map<String, DataSource> createDataSourceMap() { |
| Map<String, DataSource> result = new HashMap<>(); |
| result.put("demo_ds_master", DataSourceUtil.createDataSource("demo_ds_master")); |
| result.put("demo_ds_slave_0", DataSourceUtil.createDataSource("demo_ds_slave_0")); |
| result.put("demo_ds_slave_1", DataSourceUtil.createDataSource("demo_ds_slave_1")); |
| return result; |
| } |
| } |