io.shardingjdbc.core.routing.PreparedStatementRoutingEngine Maven / Gradle / Ivy
/*
* Copyright 1999-2015 dangdang.com.
*
* 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;
import io.shardingjdbc.core.jdbc.core.ShardingContext;
import io.shardingjdbc.core.parsing.parser.sql.SQLStatement;
import io.shardingjdbc.core.routing.router.SQLRouter;
import io.shardingjdbc.core.routing.router.SQLRouterFactory;
import java.util.List;
/**
* PreparedStatement routing engine.
*
* @author zhangliang
*/
public final class PreparedStatementRoutingEngine {
private final String logicSQL;
private final SQLRouter sqlRouter;
private SQLStatement sqlStatement;
public PreparedStatementRoutingEngine(final String logicSQL, final ShardingContext shardingContext) {
this.logicSQL = logicSQL;
sqlRouter = SQLRouterFactory.createSQLRouter(shardingContext);
}
/**
* SQL route.
*
* First routing time will parse SQL, after second time will reuse first parsed result.
*
* @param parameters parameters of SQL placeholder
* @return route result
*/
public SQLRouteResult route(final List