/*
    * Licensed under the GPL License. You may not use this file except in compliance with the License.
    * You may obtain a copy of the License at
    *
    *   https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
    *
    * THIS PACKAGE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
    * WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
    * PURPOSE.
   */
  package psiprobe.model.sql;
  
  import java.io.Serializable;
  import java.util.LinkedList;
  import java.util.List;
  import java.util.Map;
  
  /**
   * A class to store data source test tool related data in a session attribute.
   */
  public class DataSourceTestInfo implements Serializable {
  
    /** The Constant serialVersionUID. */
    private static final long serialVersionUID = 1L;
  
    /** The Constant DS_TEST_SESS_ATTR. */
    public static final String DS_TEST_SESS_ATTR = "dataSourceTestData";
  
    /** The results. */
    private List<Map<String, String>> results;
  
    /** The query history. */
    private final LinkedList<String> queryHistory;
  
    /** The max rows. */
    private int maxRows;
  
    /** The rows per page. */
    private int rowsPerPage;
  
    /** The history size. */
    private int historySize;
  
    /**
     * DataSourceTestInfo Constructor.
     */
    public DataSourceTestInfo() {
      queryHistory = new LinkedList<>();
    }
  
    /**
     * Adds the query to history.
     *
     * @param sql the sql
     */
    public void addQueryToHistory(String sql) {
      queryHistory.remove(sql);
      queryHistory.addFirst(sql);
  
      while (historySize >= 0 && queryHistory.size() > historySize) {
        queryHistory.removeLast();
      }
    }
  
    /**
     * Gets the results.
     *
     * @return the results
     */
    public List<Map<String, String>> getResults() {
      return results;
    }
  
    /**
     * Sets the results.
     *
     * @param results the results
     */
    public void setResults(List<Map<String, String>> results) {
      this.results = results;
    }
  
    /**
     * Gets the query history.
     *
     * @return the query history
     */
    public List<String> getQueryHistory() {
      return queryHistory;
    }
  
    /**
     * Gets the max rows.
     *
     * @return the max rows
     */
    public int getMaxRows() {
      return maxRows;
    }
 
   /**
    * Sets the max rows.
    *
    * @param maxRows the new max rows
    */
   public void setMaxRows(int maxRows) {
     this.maxRows = maxRows;
   }
 
   /**
    * Gets the rows per page.
    *
    * @return the rows per page
    */
   public int getRowsPerPage() {
     return rowsPerPage;
   }
 
   /**
    * Sets the rows per page.
    *
    * @param rowsPerPage the new rows per page
    */
   public void setRowsPerPage(int rowsPerPage) {
     this.rowsPerPage = rowsPerPage;
   }
 
   /**
    * Gets the history size.
    *
    * @return the history size
    */
   public int getHistorySize() {
     return historySize;
   }
 
   /**
    * Sets the history size.
    *
    * @param historySize the new history size
    */
   public void setHistorySize(int historySize) {
     this.historySize = historySize;
   }
 
 }