Example usage for org.jfree.data.statistics SimpleHistogramBin accepts

Introduction

In this page you can find the example usage for org.jfree.data.statistics SimpleHistogramBin accepts.

Prototype

public boolean accepts(double value) 

Source Link

Document

Returns true if the specified value belongs in the bin, and false otherwise.

Usage

From source file:org.jfree.data.statistics.SimpleHistogramBinTest.java

/**
 * Some checks for the accepts() method.
 *//* ww w. j  a  va 2 s.  c om*/
@Test
public void testAccepts() {
    SimpleHistogramBin bin1 = new SimpleHistogramBin(1.0, 2.0);
    assertFalse(bin1.accepts(0.0));
    assertTrue(bin1.accepts(1.0));
    assertTrue(bin1.accepts(1.5));
    assertTrue(bin1.accepts(2.0));
    assertFalse(bin1.accepts(2.1));
    assertFalse(bin1.accepts(Double.NaN));

    SimpleHistogramBin bin2 = new SimpleHistogramBin(1.0, 2.0, false, false);
    assertFalse(bin2.accepts(0.0));
    assertFalse(bin2.accepts(1.0));
    assertTrue(bin2.accepts(1.5));
    assertFalse(bin2.accepts(2.0));
    assertFalse(bin2.accepts(2.1));
    assertFalse(bin2.accepts(Double.NaN));
}

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From source file:org.jfree.data.statistics.SimpleHistogramDataset.java

/**
 * Adds an observation to the dataset (by incrementing the item count for
 * the appropriate bin).  A runtime exception is thrown if the value does
 * not fit into any bin.//from  w w w.  j  av a 2s . co  m
 *
 * @param value  the value.
 * @param notify  send {@link DatasetChangeEvent} to listeners?
 */
public void addObservation(double value, boolean notify) {
    boolean placed = false;
    Iterator iterator = this.bins.iterator();
    while (iterator.hasNext() && !placed) {
        SimpleHistogramBin bin = (SimpleHistogramBin) iterator.next();
        if (bin.accepts(value)) {
            bin.setItemCount(bin.getItemCount() + 1);
            placed = true;
        }
    }
    if (!placed) {
        throw new RuntimeException("No bin.");
    }
    if (notify) {
        notifyListeners(new DatasetChangeEvent(this, this));
    }
}

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