content: /*
   * Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   * Licensed 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 com.alibaba.druid.util.jdbc;
  
  import java.sql.SQLException;
  import java.sql.Statement;
  import java.util.ArrayList;
  import java.util.List;
  
  public class LocalResultSet extends ResultSetBase {
      private int rowIndex = -1;
      private List<Object[]> rows = new ArrayList<Object[]>();
  
      public LocalResultSet(Statement statement) {
          super(statement);
      }
  
      public List<Object[]> getRows() {
          return rows;
      }
  
      @Override
      public synchronized boolean next() throws SQLException {
          if (closed) {
              throw new SQLException();
          }
  
          if (rowIndex < rows.size() - 1) {
              rowIndex++;
              return true;
          }
          return false;
      }
  
      public Object getObjectInternal(int columnIndex) {
          Object[] row = rows.get(rowIndex);
          return row[columnIndex - 1];
      }
  
      @Override
      public synchronized boolean previous() throws SQLException {
          if (closed) {
              throw new SQLException();
          }
  
          if (rowIndex > 0) {
              rowIndex--;
              return true;
          }
          return false;
      }
  
      @Override
      public void updateObject(int columnIndex, Object x) throws SQLException {
          Object[] row = rows.get(rowIndex);
          row[columnIndex - 1] = x;
      }
  
  }
  