net.opentsdb.core
Class Aggregators

java.lang.Object
  net.opentsdb.core.Aggregators

public final class Aggregators
extends Object

Utility class that provides common, generally useful aggregators.

Field Summary

static Aggregator	AVG Aggregator that returns the average value of the data point.
static Aggregator	MAX Aggregator that returns the maximum data point.
static Aggregator	MIN Aggregator that returns the minimum data point.
static Aggregator	SUM Aggregator that sums up all the data points.

Method Summary

static Aggregator	get(String name) Returns the aggregator corresponding to the given name.
static Set<String>	set() Returns the set of the names that can be used with get.

Methods inherited from class java.lang.Object

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

Field Detail

SUM

public static final Aggregator SUM

Aggregator that sums up all the data points.

MIN

public static final Aggregator MIN

Aggregator that returns the minimum data point.

MAX

public static final Aggregator MAX

Aggregator that returns the maximum data point.

AVG

public static final Aggregator AVG

Aggregator that returns the average value of the data point.

Method Detail

set

public static Set<String> set()

Returns the set of the names that can be used with get.

get

public static Aggregator get(String name)

Returns the aggregator corresponding to the given name.

Parameters:

name - The name of the aggregator to get.

Throws:

NoSuchElementException - if the given name doesn't exist.

See Also:

set()