content: /*
   * Copyright (c) 2019, 2020, Oracle and/or its affiliates.
   *
   * This program is free software; you can redistribute it and/or modify it under
   * the terms of the GNU General Public License, version 2.0, as published by the
   * Free Software Foundation.
   *
   * This program is also distributed with certain software (including but not
   * limited to OpenSSL) that is licensed under separate terms, as designated in a
   * particular file or component or in included license documentation. The
   * authors of MySQL hereby grant you an additional permission to link the
   * program and your derivative works with the separately licensed software that
   * they have included with MySQL.
   *
   * Without limiting anything contained in the foregoing, this file, which is
   * part of MySQL Connector/J, is also subject to the Universal FOSS Exception,
   * version 1.0, a copy of which can be found at
   * http://oss.oracle.com/licenses/universal-foss-exception.
   *
   * This program is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
   * FOR A PARTICULAR PURPOSE. See the GNU General Public License, version 2.0,
   * for more details.
   *
   * You should have received a copy of the GNU General Public License along with
   * this program; if not, write to the Free Software Foundation, Inc.,
   * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
   */
  
  package com.mysql.cj.xdevapi;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.TimeZone;
  
  import com.mysql.cj.MysqlxSession;
  import com.mysql.cj.conf.PropertySet;
  import com.mysql.cj.exceptions.ExceptionFactory;
  import com.mysql.cj.exceptions.WrongArgumentException;
  import com.mysql.cj.protocol.ColumnDefinition;
  import com.mysql.cj.protocol.ProtocolEntity;
  import com.mysql.cj.protocol.ResultBuilder;
  import com.mysql.cj.protocol.x.FetchDoneEntity;
  import com.mysql.cj.protocol.x.Notice;
  import com.mysql.cj.protocol.x.StatementExecuteOk;
  import com.mysql.cj.protocol.x.StatementExecuteOkBuilder;
  import com.mysql.cj.result.BufferedRowList;
  import com.mysql.cj.result.DefaultColumnDefinition;
  import com.mysql.cj.result.Field;
  import com.mysql.cj.result.Row;
  
  /**
   * Result builder producing a {@link RowResult} instance.
   */
  public class RowResultBuilder implements ResultBuilder<RowResult> {
      private ArrayList<Field> fields = new ArrayList<>();
      private ColumnDefinition metadata;
      private List<Row> rows = new ArrayList<>();
      private RowResult result;
  
      TimeZone defaultTimeZone;
      PropertySet pset;
      private StatementExecuteOkBuilder statementExecuteOkBuilder = new StatementExecuteOkBuilder();
  
      public RowResultBuilder(MysqlxSession sess) {
          this.defaultTimeZone = sess.getServerSession().getDefaultTimeZone();
          this.pset = sess.getPropertySet();
      }
  
      @Override
      public boolean addProtocolEntity(ProtocolEntity entity) {
          if (entity instanceof Field) {
              this.fields.add((Field) entity);
              return false;
  
          } else if (entity instanceof Row) {
              if (this.metadata == null) {
                  this.metadata = new DefaultColumnDefinition(this.fields.toArray(new Field[] {}));
              }
              this.rows.add(((Row) entity).setMetadata(this.metadata));
              return false;
  
          } else if (entity instanceof Notice) {
              this.statementExecuteOkBuilder.addProtocolEntity(entity);
              return false;
  
          } else if (entity instanceof FetchDoneEntity) {
              return false;
  
          } else if (entity instanceof StatementExecuteOk) {
              return true;
          }
          throw ExceptionFactory.createException(WrongArgumentException.class, "Unexpected protocol entity " + entity);
      }
  
      @Override
      public RowResult build() {
          if (this.metadata == null) {
              this.metadata = new DefaultColumnDefinition(this.fields.toArray(new Field[] {}));
          }
          this.result = new RowResultImpl(this.metadata, this.defaultTimeZone, new BufferedRowList(this.rows), () -> this.statementExecuteOkBuilder.build(),
                  this.pset);
          return this.result;
      }
  }
  