Example usage for org.jfree.data.category DefaultCategoryDataset clone

Introduction

In this page you can find the example usage for org.jfree.data.category DefaultCategoryDataset clone.

Prototype

@Override
public Object clone() throws CloneNotSupportedException 

Source Link

Document

Returns a clone of the dataset.

Usage

From source file:org.jfree.data.category.DefaultCategoryDatasetTest.java

/**
 * Confirm that cloning works.//from  w w w  .  j  a v a  2s  . co m
 */
public void testCloning() throws CloneNotSupportedException {
    DefaultCategoryDataset d1 = new DefaultCategoryDataset();
    DefaultCategoryDataset d2 = (DefaultCategoryDataset) d1.clone();

    assertTrue(d1 != d2);
    assertTrue(d1.getClass() == d2.getClass());
    assertTrue(d1.equals(d2));

    // try a dataset with some content...
    d1.addValue(1.0, "R1", "C1");
    d1.addValue(2.0, "R1", "C2");
    d2 = (DefaultCategoryDataset) 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.
    d1.addValue(3.0, "R1", "C1");
    assertFalse(d1.equals(d2));
    d2.addValue(3.0, "R1", "C1");
    assertTrue(d1.equals(d2));
}

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From source file:org.jfree.data.category.junit.DefaultCategoryDatasetTest.java

/**
 * Confirm that cloning works.//from w ww  .  jav  a2  s  .  c  om
 */
public void testCloning() {
    DefaultCategoryDataset d1 = new DefaultCategoryDataset();
    DefaultCategoryDataset d2 = null;
    try {
        d2 = (DefaultCategoryDataset) 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...
    d1.addValue(1.0, "R1", "C1");
    d1.addValue(2.0, "R1", "C2");
    try {
        d2 = (DefaultCategoryDataset) 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.
    d1.addValue(3.0, "R1", "C1");
    assertFalse(d1.equals(d2));
    d2.addValue(3.0, "R1", "C1");
    assertTrue(d1.equals(d2));
}

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