Examples with StandardRoutingEngine io.shardingjdbc.core.routing.type.standard.StandardRoutingEngine used on opensource projects

Example 1 with StandardRoutingEngine

use of io.shardingjdbc.core.routing.type.standard.StandardRoutingEngine in project sharding-jdbc by shardingjdbc.

the class ParsingSQLRouter method route.

private RoutingResult route(final List<Object> parameters, final SQLStatement sqlStatement) {
    Collection<String> tableNames = sqlStatement.getTables().getTableNames();
    RoutingEngine routingEngine;
    if (sqlStatement instanceof UseStatement) {
        routingEngine = new IgnoreRoutingEngine();
    } else if (sqlStatement instanceof DDLStatement) {
        routingEngine = new TableBroadcastRoutingEngine(shardingRule, sqlStatement);
    } else if (sqlStatement instanceof ShowDatabasesStatement || sqlStatement instanceof ShowTablesStatement) {
        routingEngine = new DatabaseBroadcastRoutingEngine(shardingRule);
    } else if (sqlStatement instanceof DALStatement) {
        routingEngine = new UnicastRoutingEngine(shardingRule, sqlStatement);
    } else if (tableNames.isEmpty() && sqlStatement instanceof SelectStatement) {
        routingEngine = new UnicastRoutingEngine(shardingRule, sqlStatement);
    } else if (tableNames.isEmpty()) {
        routingEngine = new DatabaseBroadcastRoutingEngine(shardingRule);
    } else if (1 == tableNames.size() || shardingRule.isAllBindingTables(tableNames) || shardingRule.isAllInDefaultDataSource(tableNames)) {
        routingEngine = new StandardRoutingEngine(shardingRule, parameters, tableNames.iterator().next(), sqlStatement);
    } else {
        // TODO config for cartesian set
        routingEngine = new ComplexRoutingEngine(shardingRule, parameters, tableNames, sqlStatement);
    }
    return routingEngine.route();
}