/*
    * 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.proxy.frontend.mysql.command.query.binary;
  
  import lombok.Getter;
  import lombok.RequiredArgsConstructor;
  import org.apache.shardingsphere.db.protocol.mysql.packet.command.query.binary.MySQLPreparedStatementParameterType;
  import org.apache.shardingsphere.infra.binder.context.statement.SQLStatementContext;
  import org.apache.shardingsphere.infra.hint.HintValueContext;
  import org.apache.shardingsphere.proxy.backend.session.ServerPreparedStatement;
  
  import java.util.List;
  import java.util.Map;
  import java.util.concurrent.ConcurrentHashMap;
  import java.util.concurrent.CopyOnWriteArrayList;
  
  /**
   * Binary prepared statement for MySQL.
   * This class may be accessed serially in different threads due to MySQL Proxy using a shared unbounded thread pool.
   */
  @RequiredArgsConstructor
  @Getter
  public final class MySQLServerPreparedStatement implements ServerPreparedStatement {
      
      private final String sql;
      
      private final SQLStatementContext sqlStatementContext;
      
      private final HintValueContext hintValueContext;
      
      private final List<Integer> parameterColumnDefinitionFlags;
      
      private final List<MySQLPreparedStatementParameterType> parameterTypes = new CopyOnWriteArrayList<>();
      
      private final Map<Integer, byte[]> longData = new ConcurrentHashMap<>();
  }