Example usage for org.jfree.data KeyedValueComparator KeyedValueComparator

Introduction

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

Prototype

public KeyedValueComparator(KeyedValueComparatorType type, SortOrder order) 

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Document

Creates a new comparator.

Usage

From source file:org.jfree.data.DefaultKeyedValues.java

/**
 * Sorts the items in the list by key./* w ww.j  av a  2  s.co  m*/
 *
 * @param order  the sort order (<code>null</code> not permitted).
 */
public void sortByKeys(SortOrder order) {
    final int size = this.keys.size();
    final DefaultKeyedValue[] data = new DefaultKeyedValue[size];

    for (int i = 0; i < size; i++) {
        data[i] = new DefaultKeyedValue((Comparable) this.keys.get(i), (Number) this.values.get(i));
    }

    Comparator comparator = new KeyedValueComparator(KeyedValueComparatorType.BY_KEY, order);
    Arrays.sort(data, comparator);
    clear();

    for (int i = 0; i < data.length; i++) {
        final DefaultKeyedValue value = data[i];
        addValue(value.getKey(), value.getValue());
    }
}

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From source file:org.jfree.data.DefaultKeyedValues.java

/**
 * Sorts the items in the list by value.  If the list contains
 * <code>null</code> values, they will sort to the end of the list,
 * irrespective of the sort order.//from  w w  w  . j a  v a 2  s  .co m
 *
 * @param order  the sort order (<code>null</code> not permitted).
 */
public void sortByValues(SortOrder order) {
    final int size = this.keys.size();
    final DefaultKeyedValue[] data = new DefaultKeyedValue[size];
    for (int i = 0; i < size; i++) {
        data[i] = new DefaultKeyedValue((Comparable) this.keys.get(i), (Number) this.values.get(i));
    }

    Comparator comparator = new KeyedValueComparator(KeyedValueComparatorType.BY_VALUE, order);
    Arrays.sort(data, comparator);

    clear();
    for (int i = 0; i < data.length; i++) {
        final DefaultKeyedValue value = data[i];
        addValue(value.getKey(), value.getValue());
    }
}

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