Example usage for org.jfree.data.gantt SlidingGanttCategoryDataset clone

Introduction

In this page you can find the example usage for org.jfree.data.gantt SlidingGanttCategoryDataset clone.

Prototype

@Override
public Object clone() throws CloneNotSupportedException 

Source Link

Document

Returns an independent copy of the dataset.

Usage

From source file:org.jfree.data.gantt.SlidingGanttCategoryDatasetTest.java

/**
 * Confirm that cloning works./*  w  w  w. j a  va2 s . c  o  m*/
 */
@Test
public void testCloning() throws CloneNotSupportedException {
    TaskSeries s1 = new TaskSeries("Series");
    s1.add(new Task("Task 1", new Date(0L), new Date(1L)));
    TaskSeriesCollection u1 = new TaskSeriesCollection();
    u1.add(s1);
    SlidingGanttCategoryDataset d1 = new SlidingGanttCategoryDataset(u1, 0, 5);
    SlidingGanttCategoryDataset d2 = (SlidingGanttCategoryDataset) d1.clone();
    assertTrue(d1 != d2);
    assertTrue(d1.getClass() == d2.getClass());
    assertTrue(d1.equals(d2));

    // basic check for independence
    s1.add(new Task("Task 2", new Date(10L), new Date(11L)));
    assertFalse(d1.equals(d2));
    TaskSeriesCollection u2 = (TaskSeriesCollection) d2.getUnderlyingDataset();
    TaskSeries s2 = u2.getSeries("Series");
    s2.add(new Task("Task 2", new Date(10L), new Date(11L)));
    assertTrue(d1.equals(d2));
}

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