Examples with PreciseOrderShardingAlgorithm io.shardingjdbc.core.fixture.PreciseOrderShardingAlgorithm used on opensource projects

Example 1 with PreciseOrderShardingAlgorithm

use of io.shardingjdbc.core.fixture.PreciseOrderShardingAlgorithm in project sharding-jdbc by shardingjdbc.

the class AbstractShardingJDBCDatabaseAndTableTest method initShardingDataSources.

@Before
public void initShardingDataSources() throws SQLException {
    if (!getShardingDataSources().isEmpty()) {
        return;
    }
    Map<DatabaseType, Map<String, DataSource>> dataSourceMap = createDataSourceMap();
    for (Map.Entry<DatabaseType, Map<String, DataSource>> entry : dataSourceMap.entrySet()) {
        final ShardingRuleConfiguration shardingRuleConfig = new ShardingRuleConfiguration();
        TableRuleConfiguration orderTableRuleConfig = new TableRuleConfiguration();
        orderTableRuleConfig.setLogicTable("t_order");
        List<String> orderActualDataNodes = new LinkedList<>();
        for (String dataSourceName : entry.getValue().keySet()) {
            orderActualDataNodes.add(dataSourceName + ".t_order_${0..1}");
        }
        orderTableRuleConfig.setActualDataNodes(Joiner.on(",").join(orderActualDataNodes));
        shardingRuleConfig.getTableRuleConfigs().add(orderTableRuleConfig);
        TableRuleConfiguration orderItemTableRuleConfig = new TableRuleConfiguration();
        orderItemTableRuleConfig.setLogicTable("t_order_item");
        List<String> orderItemActualDataNodes = new LinkedList<>();
        for (String dataSourceName : entry.getValue().keySet()) {
            orderItemActualDataNodes.add(dataSourceName + ".t_order_item_${0..1}");
        }
        orderItemTableRuleConfig.setActualDataNodes(Joiner.on(",").join(orderItemActualDataNodes));
        orderItemTableRuleConfig.setKeyGeneratorColumnName("item_id");
        orderItemTableRuleConfig.setKeyGenerator(new IncrementKeyGenerator());
        shardingRuleConfig.getTableRuleConfigs().add(orderItemTableRuleConfig);
        TableRuleConfiguration configTableRuleConfig = new TableRuleConfiguration();
        configTableRuleConfig.setLogicTable("t_config");
        shardingRuleConfig.getTableRuleConfigs().add(configTableRuleConfig);
        shardingRuleConfig.getBindingTableGroups().add("t_order, t_order_item");
        shardingRuleConfig.setDefaultTableShardingStrategyConfig(new StandardShardingStrategyConfiguration("order_id", new PreciseOrderShardingAlgorithm(), new RangeOrderShardingAlgorithm()));
        shardingRuleConfig.setDefaultDatabaseShardingStrategyConfig(new StandardShardingStrategyConfiguration("user_id", new PreciseOrderShardingAlgorithm(), new RangeOrderShardingAlgorithm()));
        ShardingRule shardingRule = new ShardingRule(shardingRuleConfig, entry.getValue().keySet());
        getShardingDataSources().put(entry.getKey(), new ShardingDataSource(entry.getValue(), shardingRule));
    }
}