Examples with ShardingValue io.shardingjdbc.core.api.algorithm.sharding.ShardingValue used on opensource projects

Example 6 with ShardingValue

use of io.shardingjdbc.core.api.algorithm.sharding.ShardingValue in project sharding-jdbc by shardingjdbc.

the class DatabaseHintRoutingEngine method route.

@Override
public RoutingResult route() {
    Optional<ShardingValue> shardingValue = HintManagerHolder.getDatabaseShardingValue(new ShardingKey(HintManagerHolder.DB_TABLE_NAME, HintManagerHolder.DB_COLUMN_NAME));
    Preconditions.checkState(shardingValue.isPresent());
    log.debug("Before database sharding only db:{} sharding values: {}", dataSourceNames, shardingValue.get());
    Collection<String> routingDataSources;
    routingDataSources = databaseShardingStrategy.doSharding(dataSourceNames, Collections.singletonList(shardingValue.get()));
    Preconditions.checkState(!routingDataSources.isEmpty(), "no database route info");
    log.debug("After database sharding only result: {}", routingDataSources);
    RoutingResult result = new RoutingResult();
    for (String each : routingDataSources) {
        result.getTableUnits().getTableUnits().add(new TableUnit(each, "", ""));
    }
    return result;
}

Example 7 with ShardingValue

use of io.shardingjdbc.core.api.algorithm.sharding.ShardingValue in project sharding-jdbc by shardingjdbc.

the class StandardRoutingEngine method route.

@Override
public RoutingResult route() {
    TableRule tableRule = shardingRule.getTableRule(logicTableName);
    List<ShardingValue> databaseShardingValues = getDatabaseShardingValues(tableRule);
    List<ShardingValue> tableShardingValues = getTableShardingValues(tableRule);
    Collection<String> routedDataSources = routeDataSources(tableRule, databaseShardingValues);
    Collection<DataNode> routedDataNodes = new LinkedList<>();
    for (String each : routedDataSources) {
        routedDataNodes.addAll(routeTables(tableRule, each, tableShardingValues));
    }
    return generateRoutingResult(routedDataNodes);
}

Example 8 with ShardingValue

use of io.shardingjdbc.core.api.algorithm.sharding.ShardingValue in project sharding-jdbc by shardingjdbc.

the class ShardingStrategyTest method assertDoShardingWithoutShardingColumns.

@Test
public void assertDoShardingWithoutShardingColumns() {
    NoneShardingStrategy strategy = new NoneShardingStrategy();
    assertThat(strategy.doSharding(targets, Collections.<ShardingValue>emptySet()), is(targets));
}