Example usage for org.jfree.data.xy DefaultXYDataset clone

Introduction

In this page you can find the example usage for org.jfree.data.xy DefaultXYDataset clone.

Prototype

@Override
public Object clone() throws CloneNotSupportedException 

Source Link

Document

Creates an independent copy of this dataset.

Usage

From source file:org.jfree.data.xy.DefaultXYDatasetTest.java

/**
 * Confirm that cloning works.// w  ww  .  j a  v a2s  .  c  om
 */
@Test
public void testCloning() throws CloneNotSupportedException {
    DefaultXYDataset d1 = new DefaultXYDataset();
    DefaultXYDataset d2 = (DefaultXYDataset) d1.clone();
    assertTrue(d1 != d2);
    assertTrue(d1.getClass() == d2.getClass());
    assertTrue(d1.equals(d2));

    // try a dataset with some content...
    double[] x1 = new double[] { 1.0, 2.0, 3.0 };
    double[] y1 = new double[] { 4.0, 5.0, 6.0 };
    double[][] data1 = new double[][] { x1, y1 };
    d1.addSeries("S1", data1);
    d2 = (DefaultXYDataset) d1.clone();
    assertTrue(d1 != d2);
    assertTrue(d1.getClass() == d2.getClass());
    assertTrue(d1.equals(d2));

    // check that the clone doesn't share the same underlying arrays.
    x1[1] = 2.2;
    assertFalse(d1.equals(d2));
    x1[1] = 2.0;
    assertTrue(d1.equals(d2));
}

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From source file:org.jfree.data.xy.junit.DefaultXYDatasetTest.java

/**
 * Confirm that cloning works./*from w w  w . j  a v  a  2 s .c om*/
 */
public void testCloning() {
    DefaultXYDataset d1 = new DefaultXYDataset();
    DefaultXYDataset d2 = null;
    try {
        d2 = (DefaultXYDataset) d1.clone();
    } catch (CloneNotSupportedException e) {
        e.printStackTrace();
    }
    assertTrue(d1 != d2);
    assertTrue(d1.getClass() == d2.getClass());
    assertTrue(d1.equals(d2));

    // try a dataset with some content...
    double[] x1 = new double[] { 1.0, 2.0, 3.0 };
    double[] y1 = new double[] { 4.0, 5.0, 6.0 };
    double[][] data1 = new double[][] { x1, y1 };
    d1.addSeries("S1", data1);
    try {
        d2 = (DefaultXYDataset) d1.clone();
    } catch (CloneNotSupportedException e) {
        e.printStackTrace();
    }
    assertTrue(d1 != d2);
    assertTrue(d1.getClass() == d2.getClass());
    assertTrue(d1.equals(d2));

    // check that the clone doesn't share the same underlying arrays.
    x1[1] = 2.2;
    assertFalse(d1.equals(d2));
    x1[1] = 2.0;
    assertTrue(d1.equals(d2));
}

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