How to use

VectorSeriesCollection

in

org.jfree.data.xy

/**
 * Returns the key for a series.
 *
 * @param series  the series index (in the range {@code 0} to
 *     {@code getSeriesCount() - 1}).
 *
 * @return The key for a series.
 *
 * @throws IllegalArgumentException if {@code series} is not in the
 *     specified range.
 */
@Override
public Comparable getSeriesKey(int series) {
  // defer argument checking
  return getSeries(series).getKey();
}

/**
 * Returns a series from the collection.
 *
 * @param series  the series index (zero-based).
 *
 * @return The series.
 *
 * @throws IllegalArgumentException if {@code series} is not in the
 *     range {@code 0} to {@code getSeriesCount() - 1}.
 */
public VectorSeries getSeries(int series) {
  if ((series < 0) || (series >= getSeriesCount())) {
    throw new IllegalArgumentException("Series index out of bounds");
  }
  return (VectorSeries) this.data.get(series);
}

/**
 * Returns the x-value for an item within a series.  Note that this method
 * creates a new {@link Double} instance every time it is called---use
 * {@link #getXValue(int, int)} instead, if possible.
 *
 * @param series  the series index.
 * @param item  the item index.
 *
 * @return The x-value.
 */
public Number getX(int series, int item) {
  return new Double(getXValue(series, item));
}

int sercnt = dataset.getSeriesCount();
Integer sernum = (Integer)seriesmap.get(seriesname);
if(sernum!=null)
    seriesmap.put(Integer.valueOf(j), Integer.valueOf(j));
  dataset.addSeries(series);
VectorSeries ser = dataset.getSeries(seriesnum);

/**
 * Adds a series to the collection and sends a {@link DatasetChangeEvent}
 * to all registered listeners.
 *
 * @param series  the series (<code>null</code> not permitted).
 */
public void addSeries(VectorSeries series) {
  if (series == null) {
    throw new IllegalArgumentException("Null 'series' argument.");
  }
  this.data.add(series);
  series.addChangeListener(this);
  fireDatasetChanged();
}

/**
 * Returns the y-value for an item within a series.  Note that this method
 * creates a new {@link Double} instance every time it is called---use
 * {@link #getYValue(int, int)} instead, if possible.
 *
 * @param series  the series index.
 * @param item  the item index.
 *
 * @return The y-value.
 */
public Number getY(int series, int item) {
  return new Double(getYValue(series, item));
}

boolean autorepaint = getProperty("autorepaint")==null? false: ((Boolean)getProperty("autorepaint")).booleanValue();
XYDataset dataset = new VectorSeriesCollection();
JFreeChart chart = ChartFactory.createXYLineChart(title, labelx, labely, dataset, PlotOrientation.VERTICAL, legend, tooltips, urls);
chart.setNotify(autorepaint);

/**
 * Removes all the series from the collection and sends a
 * {@link DatasetChangeEvent} to all registered listeners.
 */
public void removeAllSeries() {
  // deregister the collection as a change listener to each series in the
  // collection
  for (int i = 0; i < this.data.size(); i++) {
    VectorSeries series = (VectorSeries) this.data.get(i);
    series.removeChangeListener(this);
  }
  // remove all the series from the collection and notify listeners.
  this.data.clear();
  fireDatasetChanged();
}

/**
 * Returns the y-value for an item within a series.  Note that this method
 * creates a new {@link Double} instance every time it is called---use
 * {@link #getYValue(int, int)} instead, if possible.
 *
 * @param series  the series index.
 * @param item  the item index.
 *
 * @return The y-value.
 */
@Override
public Number getY(int series, int item) {
  return new Double(getYValue(series, item));
}

/**
 * Returns the number of items in the specified series.
 *
 * @param series  the series (zero-based index).
 *
 * @return The item count.
 *
 * @throws IllegalArgumentException if {@code series} is not in the
 *     range {@code 0} to {@code getSeriesCount() - 1}.
 */
@Override
public int getItemCount(int series) {
  // defer argument checking
  return getSeries(series).getItemCount();
}

/**
 * Removes all the series from the collection and sends a
 * {@link DatasetChangeEvent} to all registered listeners.
 */
public void removeAllSeries() {
  // deregister the collection as a change listener to each series in the
  // collection
  for (int i = 0; i < this.data.size(); i++) {
    VectorSeries series = (VectorSeries) this.data.get(i);
    series.removeChangeListener(this);
  }
  // remove all the series from the collection and notify listeners.
  this.data.clear();
  fireDatasetChanged();
}

/**
 * Returns a series from the collection.
 *
 * @param series  the series index (zero-based).
 *
 * @return The series.
 *
 * @throws IllegalArgumentException if <code>series</code> is not in the
 *     range <code>0</code> to <code>getSeriesCount() - 1</code>.
 */
public VectorSeries getSeries(int series) {
  if ((series < 0) || (series >= getSeriesCount())) {
    throw new IllegalArgumentException("Series index out of bounds");
  }
  return (VectorSeries) this.data.get(series);
}

/**
 * Returns the x-value for an item within a series.  Note that this method
 * creates a new {@link Double} instance every time it is called---use
 * {@link #getXValue(int, int)} instead, if possible.
 *
 * @param series  the series index.
 * @param item  the item index.
 *
 * @return The x-value.
 */
@Override
public Number getX(int series, int item) {
  return new Double(getXValue(series, item));
}

/**
 * Returns the number of items in the specified series.
 *
 * @param series  the series (zero-based index).
 *
 * @return The item count.
 *
 * @throws IllegalArgumentException if <code>series</code> is not in the
 *     range <code>0</code> to <code>getSeriesCount() - 1</code>.
 */
public int getItemCount(int series) {
  // defer argument checking
  return getSeries(series).getItemCount();
}

/**
 * Removes the specified series from the collection and sends a
 * {@link DatasetChangeEvent} to all registered listeners.
 *
 * @param series  the series (<code>null</code> not permitted).
 *
 * @return A boolean indicating whether the series has actually been
 *         removed.
 */
public boolean removeSeries(VectorSeries series) {
  if (series == null) {
    throw new IllegalArgumentException("Null 'series' argument.");
  }
  boolean removed = this.data.remove(series);
  if (removed) {
    series.removeChangeListener(this);
    fireDatasetChanged();
  }
  return removed;
}

/**
 * Returns the key for a series.
 *
 * @param series  the series index (in the range <code>0</code> to
 *     <code>getSeriesCount() - 1</code>).
 *
 * @return The key for a series.
 *
 * @throws IllegalArgumentException if <code>series</code> is not in the
 *     specified range.
 */
public Comparable getSeriesKey(int series) {
  // defer argument checking
  return getSeries(series).getKey();
}

/**
 * Adds a series to the collection and sends a {@link DatasetChangeEvent}
 * to all registered listeners.
 *
 * @param series  the series ({@code null} not permitted).
 */
public void addSeries(VectorSeries series) {
  Args.nullNotPermitted(series, "series");
  this.data.add(series);
  series.addChangeListener(this);
  fireDatasetChanged();
}

/**
 * Removes the specified series from the collection and sends a
 * {@link DatasetChangeEvent} to all registered listeners.
 *
 * @param series  the series ({@code null} not permitted).
 *
 * @return A boolean indicating whether the series has actually been
 *         removed.
 */
public boolean removeSeries(VectorSeries series) {
  Args.nullNotPermitted(series, "series");
  boolean removed = this.data.remove(series);
  if (removed) {
    series.removeChangeListener(this);
    fireDatasetChanged();
  }
  return removed;
}