Example usage for org.jfree.data.pie DefaultPieDataset DefaultPieDataset

Introduction

In this page you can find the example usage for org.jfree.data.pie DefaultPieDataset DefaultPieDataset.

Prototype

public DefaultPieDataset() 

Source Link

Document

Constructs a new dataset, initially empty.

Usage

From source file:org.jfree.data.junit.KeyedObjectsTests.java

/**
 * Confirm special features of cloning.//from   w  ww  .j  ava  2 s.  co m
 */
public void testCloning2() {
    // case 1 - object is mutable but not PublicCloneable
    Object obj1 = new ArrayList();
    KeyedObjects ko1 = new KeyedObjects();
    ko1.addObject("K1", obj1);
    KeyedObjects ko2 = null;
    try {
        ko2 = (KeyedObjects) ko1.clone();
    } catch (CloneNotSupportedException e) {
        e.printStackTrace();
    }
    assertTrue(ko1 != ko2);
    assertTrue(ko1.getClass() == ko2.getClass());
    assertTrue(ko1.equals(ko2));

    // the clone contains a reference to the original object
    assertTrue(ko2.getObject("K1") == obj1);

    // CASE 2 - object is mutable AND PublicCloneable
    obj1 = new DefaultPieDataset();
    ko1 = new KeyedObjects();
    ko1.addObject("K1", obj1);
    ko2 = null;
    try {
        ko2 = (KeyedObjects) ko1.clone();
    } catch (CloneNotSupportedException e) {
        e.printStackTrace();
    }
    assertTrue(ko1 != ko2);
    assertTrue(ko1.getClass() == ko2.getClass());
    assertTrue(ko1.equals(ko2));

    // the clone contains a reference to a CLONE of the original object
    assertTrue(ko2.getObject("K1") != obj1);
}

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

/**
 * For datasets, the equals() method just checks keys and values.
 *//*  w  w  w.  j  a  v  a 2s .  c o  m*/
public void testEquals() {
    DefaultCategoryDataset underlying = new DefaultCategoryDataset();
    underlying.addValue(1.1, "R1", "C1");
    underlying.addValue(2.2, "R1", "C2");
    CategoryToPieDataset d1 = new CategoryToPieDataset(underlying, TableOrder.BY_COLUMN, 1);
    DefaultPieDataset d2 = new DefaultPieDataset();
    d2.setValue("R1", 2.2);
    assertTrue(d1.equals(d2));
}

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