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

Introduction

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

Prototype

public void setValue(Comparable key, double value) 

Source Link

Document

Sets the data value for a key and sends a DatasetChangeEvent to all registered listeners.

Usage

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  va  2  s. co 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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