/*
    * 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.beans.stats.providers;
  
  import java.util.List;
  import java.util.concurrent.locks.ReentrantLock;
  
  import org.jfree.data.xy.XYDataItem;
  import org.jfree.data.xy.XYSeries;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * The Class AbstractSeriesProvider.
   */
  public abstract class AbstractSeriesProvider implements SeriesProvider {
  
    /** The logger. */
    protected final Logger logger = LoggerFactory.getLogger(getClass());
  
    /** The lock. */
    private final ReentrantLock lockObj = new ReentrantLock();
  
    /**
     * To series.
     *
     * @param legend the legend
     * @param stats the stats
     *
     * @return the XY series
     */
    protected XYSeries toSeries(String legend, List<XYDataItem> stats) {
      XYSeries xySeries = new XYSeries(legend, true, false);
      lockObj.lock();
      try {
        for (XYDataItem item : stats) {
          xySeries.addOrUpdate(item.getX(), item.getY());
        }
      } finally {
        lockObj.unlock();
      }
      return xySeries;
    }
  
  }