Example usage for org.jfree.data SelectableValue getValue

Introduction

In this page you can find the example usage for org.jfree.data SelectableValue getValue.

Prototype

public Number getValue() 

Source Link

Document

Returns the value for this data item.

Usage

From source file:org.jfree.data.pie.DefaultPieDataset.java

/**
 * Returns the data value associated with a key.
 *
 * @param key  the key (<code>null</code> not permitted).
 *
 * @return The value (possibly <code>null</code>).
 *
 * @throws UnknownKeyException if the key is not recognised.
 *///from ww w. j  a va  2 s.  co  m
public Number getValue(Comparable key) {
    if (key == null) {
        throw new IllegalArgumentException("Null 'key' argument.");
    }
    SelectableValue dataItem = (SelectableValue) this.data.getObject(key);
    return dataItem.getValue();
}

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From source file:org.jfree.data.pie.DefaultPieDataset.java

/**
 * Returns a value.//from   ww w  .j a v a 2 s .  com
 *
 * @param item  the value index.
 *
 * @return The value (possibly <code>null</code>).
 */
public Number getValue(int item) {
    Number result = null;
    if (getItemCount() > item) {
        SelectableValue dataItem = (SelectableValue) this.data.getObject(item);
        result = dataItem.getValue();
    }
    return result;
}

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