Package org.apache.storm.metric.internal

Class MultiCountStat<T>

java.lang.Object

org.apache.storm.metric.internal.MultiCountStat<T>

public class MultiCountStat<T>
extends Object

Acts as a MultiCount Stat, but keeps track of approximate counts for the last 10 mins, 3 hours, 1 day, and all time. for the same keys

Field Summary

Fields

Modifier and Type	Field	Description
static final int	TEN_MIN_IN_SECONDS
static final String	TEN_MIN_IN_SECONDS_STR

Constructor Summary

Constructors

Constructor	Description
MultiCountStat(int numBuckets)	Constructor.

Method Summary

Modifier and Type	Method	Description
void	close()
Map<String,Map<T,Long>>	getTimeCounts()
void	incBy(T key, long count)	Increase the count by the given value.
protected String	keyToString(T key)

Methods inherited from class java.lang.Object

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

Field Details

TEN_MIN_IN_SECONDS

public static final int TEN_MIN_IN_SECONDS

See Also:

• Constant Field Values

TEN_MIN_IN_SECONDS_STR

public static final String TEN_MIN_IN_SECONDS_STR

See Also:

• Constant Field Values

Constructor Details

MultiCountStat

public MultiCountStat(int numBuckets)

Constructor.

Parameters:

numBuckets - the number of buckets to divide the time periods into.

Method Details

incBy

public void incBy(T key,
 long count)

Increase the count by the given value.

Parameters:

count - number to count

keyToString

protected String keyToString(T key)

getTimeCounts

public Map<String,Map<T,Long>> getTimeCounts()

close

public void close()