com.clearspring.analytics.util

Class TopK

java.lang.Object

com.clearspring.analytics.util.TopK

public class TopK
extends Object

Simple TopK command line utility

Usage: > topk [capacity] [update-rate]

capacity : size of top / k (defaults to 1000) update-rate: output results after every update-rate elements/lines

Example: > cat elements.txt | topk 10

Constructor Summary

Constructors

Constructor and Description
TopK()

Method Summary

Methods

Modifier and Type	Method and Description
static String	formatSummary(StreamSummary<String> topk)
static void	main(String[] args)
static String	string(char c, int len)
static void	usage()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TopK

public TopK()

Method Detail

usage

public static void usage()

main

public static void main(String[] args)
                 throws IOException

Throws:

IOException

formatSummary

public static String formatSummary(StreamSummary<String> topk)

string

public static String string(char c,
            int len)