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## org.apache.hadoop.util
Class HeapSort

    java.lang.Object
      org.apache.hadoop.util.HeapSort

All Implemented Interfaces:
  IndexedSorter

    public final class HeapSort

extends Object
implements IndexedSorter

An implementation of the core algorithm of HeapSort.

Constructor Summary
`HeapSort()`

Method Summary
`void` | `sort(IndexedSortable s, int p, int r)` Sort the given range of items using heap sort.
`void` | `sort(IndexedSortable s, int p, int r, Progressable rep)` Same as `IndexedSorter.sort(IndexedSortable,int,int)`, but indicate progress periodically.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### HeapSort

    public HeapSort()

Method Detail

### sort

    public void sort(IndexedSortable s,
                     int p,
                     int r)

  Sort the given range of items using heap sort. Sort the items accessed through the given IndexedSortable over the given range of logical indices. From the perspective of the sort algorithm, each index between l (inclusive) and r (exclusive) is an addressable entry.

  Specified by:
    `sort` in interface `IndexedSorter`
  See Also:
    `IndexedSortable.compare(int, int)`, `IndexedSortable.swap(int, int)`

### sort

    public void sort(IndexedSortable s,
                     int p,
                     int r,
                     Progressable rep)

  Same as `IndexedSorter.sort(IndexedSortable,int,int)`, but indicate progress periodically.

  Specified by:
    `sort` in interface `IndexedSorter`
  See Also:
    `IndexedSorter.sort(IndexedSortable,int,int)`

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Copyright © 2009 The Apache Software Foundation