Examples with DatabaseShardingStrategy com.dangdang.ddframe.rdb.sharding.api.strategy.database.DatabaseShardingStrategy used on opensource projects

Example 1 with DatabaseShardingStrategy

use of com.dangdang.ddframe.rdb.sharding.api.strategy.database.DatabaseShardingStrategy in project sharding-jdbc by dangdangdotcom.

the class DynamicShardingBothHelper method getShardingDataSource.

public static ShardingDataSource getShardingDataSource(final Map<String, DataSource> dataSourceMap) {
    DataSourceRule dataSourceRule = new DataSourceRule(dataSourceMap);
    TableRule orderTableRule = TableRule.builder("t_order").dynamic(true).dataSourceRule(dataSourceRule).build();
    TableRule orderItemTableRule = TableRule.builder("t_order_item").dynamic(true).dataSourceRule(dataSourceRule).build();
    ShardingRule shardingRule = ShardingRule.builder().dataSourceRule(dataSourceRule).tableRules(Arrays.asList(orderTableRule, orderItemTableRule)).bindingTableRules(Collections.singletonList(new BindingTableRule(Arrays.asList(orderTableRule, orderItemTableRule)))).databaseShardingStrategy(new DatabaseShardingStrategy("user_id", new SingleKeyModuloDatabaseShardingAlgorithm())).tableShardingStrategy(new TableShardingStrategy("order_id", new SingleKeyDynamicModuloTableShardingAlgorithm("t_order_"))).build();
    return new ShardingDataSource(shardingRule);
}

Example 2 with DatabaseShardingStrategy

use of com.dangdang.ddframe.rdb.sharding.api.strategy.database.DatabaseShardingStrategy in project sharding-jdbc by dangdangdotcom.

the class StaticShardingBothHelper method getShardingDataSource.

public static ShardingDataSource getShardingDataSource(final Map<String, DataSource> dataSourceMap) {
    DataSourceRule dataSourceRule = new DataSourceRule(dataSourceMap, "dataSource_dbtbl_0");
    TableRule orderTableRule = TableRule.builder("t_order").actualTables(Arrays.asList("t_order_0", "t_order_1", "t_order_2", "t_order_3", "t_order_4", "t_order_5", "t_order_6", "t_order_7", "t_order_8", "t_order_9")).dataSourceRule(dataSourceRule).build();
    TableRule orderItemTableRule = TableRule.builder("t_order_item").actualTables(Arrays.asList("t_order_item_0", "t_order_item_1", "t_order_item_2", "t_order_item_3", "t_order_item_4", "t_order_item_5", "t_order_item_6", "t_order_item_7", "t_order_item_8", "t_order_item_9")).dataSourceRule(dataSourceRule).build();
    TableRule configRule = TableRule.builder("t_config").dataSourceRule(dataSourceRule).build();
    ShardingRule shardingRule = ShardingRule.builder().dataSourceRule(dataSourceRule).tableRules(Arrays.asList(orderTableRule, orderItemTableRule, configRule)).bindingTableRules(Collections.singletonList(new BindingTableRule(Arrays.asList(orderTableRule, orderItemTableRule)))).databaseShardingStrategy(new DatabaseShardingStrategy("user_id", new SingleKeyModuloDatabaseShardingAlgorithm())).tableShardingStrategy(new TableShardingStrategy("order_id", new SingleKeyModuloTableShardingAlgorithm())).build();
    return new ShardingDataSource(shardingRule);
}

Example 3 with DatabaseShardingStrategy

use of com.dangdang.ddframe.rdb.sharding.api.strategy.database.DatabaseShardingStrategy in project sharding-jdbc by dangdangdotcom.

the class AbstractShardingNullableDBUnitTest method getShardingDataSource.

protected final ShardingDataSource getShardingDataSource() {
    if (null != shardingDataSource && !isShutdown) {
        return shardingDataSource;
    }
    isShutdown = false;
    DataSourceRule dataSourceRule = new DataSourceRule(createDataSourceMap("dataSource_%s"));
    TableRule orderTableRule = TableRule.builder("t_order").dataSourceRule(dataSourceRule).build();
    ShardingRule shardingRule = ShardingRule.builder().dataSourceRule(dataSourceRule).tableRules(Collections.singletonList(orderTableRule)).bindingTableRules(Collections.singletonList(new BindingTableRule(Collections.singletonList(orderTableRule)))).databaseShardingStrategy(new DatabaseShardingStrategy(Collections.singletonList("user_id"), new MultipleKeysModuloDatabaseShardingAlgorithm())).tableShardingStrategy(new TableShardingStrategy(Collections.singletonList("order_id"), new NoneTableShardingAlgorithm())).build();
    shardingDataSource = new ShardingDataSource(shardingRule);
    return shardingDataSource;
}

Example 4 with DatabaseShardingStrategy

use of com.dangdang.ddframe.rdb.sharding.api.strategy.database.DatabaseShardingStrategy in project sharding-jdbc by dangdangdotcom.

the class ShardingRuleMockBuilder method build.

public ShardingRule build() {
    final DataSourceRule dataSourceRule = new DataSourceRule(ImmutableMap.of("db0", Mockito.mock(DataSource.class), "db1", Mockito.mock(DataSource.class)));
    Collection<TableRule> tableRules = Lists.newArrayList(Iterators.transform(autoIncrementColumnMap.keySet().iterator(), new Function<String, TableRule>() {

        @Override
        public TableRule apply(final String input) {
            TableRule.TableRuleBuilder builder = TableRule.builder(input).actualTables(Collections.singletonList(input)).dataSourceRule(dataSourceRule);
            for (String each : autoIncrementColumnMap.get(input)) {
                builder.autoIncrementColumns(each);
            }
            return builder.build();
        }
    }));
    if (tableRules.isEmpty()) {
        tableRules.add(new TableRule.TableRuleBuilder("mock").actualTables(Collections.singletonList("mock")).dataSourceRule(dataSourceRule).build());
    }
    return new ShardingRule.ShardingRuleBuilder().dataSourceRule(dataSourceRule).idGenerator(IncrementIdGenerator.class).tableRules(tableRules).databaseShardingStrategy(new DatabaseShardingStrategy(shardingColumns, new NoneDatabaseShardingAlgorithm())).build();
}

Example 5 with DatabaseShardingStrategy

use of com.dangdang.ddframe.rdb.sharding.api.strategy.database.DatabaseShardingStrategy in project sharding-jdbc by dangdangdotcom.

the class ShardingRuleTest method assertGetDatabaseShardingStrategyFromTableRule.

@Test
public void assertGetDatabaseShardingStrategyFromTableRule() {
    DatabaseShardingStrategy strategy = createDatabaseShardingStrategy();
    TableRule tableRule = createTableRule(strategy);
    ShardingRule actual = ShardingRule.builder().dataSourceRule(createDataSourceRule()).tableRules(Collections.singletonList(createTableRule())).build();
    assertThat(actual.getDatabaseShardingStrategy(tableRule), is(strategy));
}