Example usage for org.jfree.data ComparableObjectItem setObject

Introduction

In this page you can find the example usage for org.jfree.data ComparableObjectItem setObject.

Prototype

protected void setObject(Object y) 

Source Link

Document

Sets the y-value for this data item.

Usage

From source file:org.jfree.data.ComparableObjectSeries.java

/**
 * Updates the value of an item in the series and sends a
 * {@link SeriesChangeEvent} to all registered listeners.
 *
 * @param index  the item (zero based index).
 * @param y  the new value (<code>null</code> permitted).
 *//*from w  w  w  . j a  v a  2s.com*/
protected void updateByIndex(int index, Object y) {
    ComparableObjectItem item = getDataItem(index);
    item.setObject(y);
    fireSeriesChanged();
}

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From source file:org.jfree.data.ComparableObjectSeries.java

/**
 * Updates an item in the series./*from  w w w .j  av a 2 s .  c  o m*/
 *
 * @param x  the x-value (<code>null</code> not permitted).
 * @param y  the y-value (<code>null</code> permitted).
 *
 * @throws SeriesException if there is no existing item with the specified
 *         x-value.
 */
protected void update(Comparable x, Object y) {
    int index = indexOf(x);
    if (index < 0) {
        throw new SeriesException("No observation for x = " + x);
    } else {
        ComparableObjectItem item = getDataItem(index);
        item.setObject(y);
        fireSeriesChanged();
    }
}

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