Example usage for org.jfree.data.category SlidingCategoryDataset getColumnIndex

Introduction

In this page you can find the example usage for org.jfree.data.category SlidingCategoryDataset getColumnIndex.

Prototype

@Override
public int getColumnIndex(Comparable key) 

Source Link

Document

Returns the index for the specified column key.

Usage

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

/**
 * Some checks for the getColumnIndex() method.
 *///from  ww w .ja v  a  2s .  c o m
@Test
public void testGetColumnIndex() {
    DefaultCategoryDataset underlying = new DefaultCategoryDataset();
    underlying.addValue(1.0, "R1", "C1");
    underlying.addValue(2.0, "R1", "C2");
    underlying.addValue(3.0, "R1", "C3");
    underlying.addValue(4.0, "R1", "C4");
    SlidingCategoryDataset dataset = new SlidingCategoryDataset(underlying, 1, 2);
    assertEquals(-1, dataset.getColumnIndex("C1"));
    assertEquals(0, dataset.getColumnIndex("C2"));
    assertEquals(1, dataset.getColumnIndex("C3"));
    assertEquals(-1, dataset.getColumnIndex("C4"));
}

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