/*
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You 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 org.apache.shardingsphere.driver.executor;
  
  import lombok.Getter;
  import org.apache.shardingsphere.driver.jdbc.core.connection.ShardingSphereConnection;
  import org.apache.shardingsphere.infra.database.core.type.DatabaseTypeRegistry;
  import org.apache.shardingsphere.infra.executor.kernel.ExecutorEngine;
  import org.apache.shardingsphere.infra.executor.sql.execute.engine.driver.jdbc.JDBCExecutor;
  import org.apache.shardingsphere.infra.executor.sql.execute.engine.raw.RawExecutor;
  import org.apache.shardingsphere.infra.metadata.database.ShardingSphereDatabase;
  import org.apache.shardingsphere.mode.metadata.MetaDataContexts;
  import org.apache.shardingsphere.sqlfederation.engine.SQLFederationEngine;
  import org.apache.shardingsphere.traffic.executor.TrafficExecutor;
  
  import java.sql.SQLException;
  
  /**
   * Driver executor.
   */
  @Getter
  public final class DriverExecutor implements AutoCloseable {
      
      private final DriverJDBCExecutor regularExecutor;
      
      private final RawExecutor rawExecutor;
      
      private final SQLFederationEngine sqlFederationEngine;
      
      private final TrafficExecutor trafficExecutor;
      
      public DriverExecutor(final ShardingSphereConnection connection) {
          MetaDataContexts metaDataContexts = connection.getContextManager().getMetaDataContexts();
          ExecutorEngine executorEngine = connection.getContextManager().getExecutorEngine();
          JDBCExecutor jdbcExecutor = new JDBCExecutor(executorEngine, connection.getDatabaseConnectionManager().getConnectionContext());
          regularExecutor = new DriverJDBCExecutor(connection.getDatabaseName(), connection.getContextManager(), jdbcExecutor);
          rawExecutor = new RawExecutor(executorEngine, connection.getDatabaseConnectionManager().getConnectionContext());
          ShardingSphereDatabase database = metaDataContexts.getMetaData().getDatabase(connection.getDatabaseName());
          String schemaName = new DatabaseTypeRegistry(database.getProtocolType()).getDefaultSchemaName(connection.getDatabaseName());
          sqlFederationEngine = new SQLFederationEngine(connection.getDatabaseName(), schemaName, metaDataContexts.getMetaData(), metaDataContexts.getStatistics(), jdbcExecutor);
          trafficExecutor = new TrafficExecutor();
      }
      
      /**
       * Close.
       *
       * @throws SQLException SQL exception
       */
      @Override
      public void close() throws SQLException {
          sqlFederationEngine.close();
          trafficExecutor.close();
      }
  }