content: /*
   * Copyright (c) 2015, 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.protocol.x;
  
  import java.util.ArrayList;
  import java.util.Collections;
  import java.util.List;
  import java.util.stream.Collectors;
  
  import com.mysql.cj.exceptions.ExceptionFactory;
  import com.mysql.cj.exceptions.WrongArgumentException;
  import com.mysql.cj.protocol.ProtocolEntity;
  import com.mysql.cj.protocol.ResultBuilder;
  import com.mysql.cj.protocol.x.Notice.XSessionStateChanged;
  import com.mysql.cj.protocol.x.Notice.XWarning;
  
  /**
   * Result builder producing a {@link StatementExecuteOk} instance. Handles state necessary to accumulate noticed and build a {@link StatementExecuteOk}
   * response.
   */
  public class StatementExecuteOkBuilder implements ResultBuilder<StatementExecuteOk> {
  
      private long rowsAffected = 0;
      private Long lastInsertId = null;
      private List<String> generatedIds = Collections.emptyList();
      private List<com.mysql.cj.protocol.Warning> warnings = new ArrayList<>();
  
      @Override
      public boolean addProtocolEntity(ProtocolEntity entity) {
          if (entity instanceof Notice) {
              addNotice((Notice) 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);
      }
  
      public StatementExecuteOk build() {
          return new StatementExecuteOk(this.rowsAffected, this.lastInsertId, this.generatedIds, this.warnings);
      }
  
      private void addNotice(Notice notice) {
          if (notice instanceof XWarning) {
              this.warnings.add((XWarning) notice);
  
          } else if (notice instanceof XSessionStateChanged) {
              switch (((XSessionStateChanged) notice).getParamType()) {
                  case Notice.SessionStateChanged_GENERATED_INSERT_ID:
                      this.lastInsertId = ((XSessionStateChanged) notice).getValue().getVUnsignedInt(); // TODO: handle > 2^63-1?
                      break;
                  case Notice.SessionStateChanged_ROWS_AFFECTED:
                      this.rowsAffected = ((XSessionStateChanged) notice).getValue().getVUnsignedInt(); // TODO: handle > 2^63-1?
                      break;
                  case Notice.SessionStateChanged_GENERATED_DOCUMENT_IDS:
                      this.generatedIds = ((XSessionStateChanged) notice).getValueList().stream().map(v -> v.getVOctets().getValue().toStringUtf8())
                              .collect(Collectors.toList());
                      break;
                  case Notice.SessionStateChanged_PRODUCED_MESSAGE:
                  case Notice.SessionStateChanged_CURRENT_SCHEMA:
                  case Notice.SessionStateChanged_ACCOUNT_EXPIRED:
                  case Notice.SessionStateChanged_ROWS_FOUND:
                  case Notice.SessionStateChanged_ROWS_MATCHED:
                  case Notice.SessionStateChanged_TRX_COMMITTED:
                  case Notice.SessionStateChanged_TRX_ROLLEDBACK:
                  case Notice.SessionStateChanged_CLIENT_ID_ASSIGNED:
                  default:
                      // TODO do something with notices, expose them to client
              }
          }
      }
  }
  