* 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.
*
*/
package io.shardingjdbc.core.routing.router;
import io.shardingjdbc.core.routing.type.all.DatabaseAllRoutingEngine;
import io.shardingjdbc.core.rule.ShardingRule;
import io.shardingjdbc.core.constant.DatabaseType;
import io.shardingjdbc.core.jdbc.core.ShardingContext;
import io.shardingjdbc.core.parsing.SQLParsingEngine;
import io.shardingjdbc.core.parsing.parser.context.GeneratedKey;
import io.shardingjdbc.core.parsing.parser.sql.SQLStatement;
import io.shardingjdbc.core.parsing.parser.sql.dml.insert.InsertStatement;
import io.shardingjdbc.core.parsing.parser.sql.dql.select.SelectStatement;
import io.shardingjdbc.core.rewrite.SQLBuilder;
import io.shardingjdbc.core.rewrite.SQLRewriteEngine;
import io.shardingjdbc.core.routing.SQLExecutionUnit;
import io.shardingjdbc.core.routing.SQLRouteResult;
import io.shardingjdbc.core.routing.type.RoutingEngine;
import io.shardingjdbc.core.routing.type.RoutingResult;
import io.shardingjdbc.core.routing.type.TableUnit;
import io.shardingjdbc.core.routing.type.complex.CartesianDataSource;
import io.shardingjdbc.core.routing.type.complex.CartesianRoutingResult;
import io.shardingjdbc.core.routing.type.complex.CartesianTableReference;
import io.shardingjdbc.core.routing.type.complex.ComplexRoutingEngine;
import io.shardingjdbc.core.routing.type.simple.SimpleRoutingEngine;
import io.shardingjdbc.core.util.SQLLogger;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;
/**
* SQL router with parse.
*
* @author zhangiang
*/
public final class ParsingSQLRouter implements SQLRouter {
private final ShardingRule shardingRule;
private final DatabaseType databaseType;
private final boolean showSQL;
private final List generatedKeys;
public ParsingSQLRouter(final ShardingContext shardingContext) {
shardingRule = shardingContext.getShardingRule();
databaseType = shardingContext.getDatabaseType();
showSQL = shardingContext.isShowSQL();
generatedKeys = new LinkedList<>();
}
@Override
public SQLStatement parse(final String logicSQL, final int parametersSize) {
SQLParsingEngine parsingEngine = new SQLParsingEngine(databaseType, logicSQL, shardingRule);
SQLStatement result = parsingEngine.parse();
if (result instanceof InsertStatement) {
((InsertStatement) result).appendGenerateKeyToken(shardingRule, parametersSize);
}
return result;
}
@Override
public SQLRouteResult route(final String logicSQL, final List