content: /*****************************************************************
   *   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
   *
   *    https://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.cayenne.dba.sqlite;
  
  import java.sql.Connection;
  import java.sql.PreparedStatement;
  import java.sql.ResultSet;
  import java.sql.SQLException;
  import java.util.Collection;
  
  import org.apache.cayenne.access.DataNode;
  import org.apache.cayenne.access.OperationObserver;
  import org.apache.cayenne.access.jdbc.SQLStatement;
  import org.apache.cayenne.access.jdbc.SQLTemplateAction;
  import org.apache.cayenne.query.SQLTemplate;
  
  /**
   * @since 3.0
   */
  class SQLiteSQLTemplateAction extends SQLTemplateAction {
  
      public SQLiteSQLTemplateAction(SQLTemplate query, DataNode dataNode) {
          super(query, dataNode);
      }
  
      /**
       * Overrides super implementation to guess whether the query is selecting or not and
       * execute it appropriately. Super implementation relied on generic JDBC mechanism,
       * common for selecting and updating statements that does not work in SQLite drivers.
       */
      @Override
      protected void execute(
              Connection connection,
              OperationObserver callback,
              SQLStatement compiled,
              Collection<Number> updateCounts) throws SQLException, Exception {
  
          String sql = compiled.getSql().trim();
          boolean select = sql.length() > "SELECT".length()
                  && sql.substring(0, "SELECT".length()).equalsIgnoreCase("SELECT");
  
          long t1 = System.currentTimeMillis();
          boolean iteratedResult = callback.isIteratedResult();
          PreparedStatement statement = connection.prepareStatement(compiled.getSql());
          try {
              bind(statement, compiled.getBindings());
  
              // start - code different from super
              if (select) {
  
                  ResultSet resultSet = statement.executeQuery();
                  try {
                      processSelectResult(
                              compiled,
                              connection,
                              statement,
                              resultSet,
                              callback,
                              t1);
                  }
                  finally {
                      if (!iteratedResult) {
                          resultSet.close();
                      }
                  }
              }
              else {
                  int updateCount = statement.executeUpdate();
                  updateCounts.add(Integer.valueOf(updateCount));
                  dataNode.getJdbcEventLogger().logUpdateCount(updateCount);
              }
  
              // end - code different from super
          }
          finally {
              if (!iteratedResult) {
                  statement.close();
              }
          }
      }
  
  }
  