org.honton.chas.dogstatd.model

Class Histogram

java.lang.Object

org.honton.chas.dogstatd.model.Histogram

All Implemented Interfaces:

Message

public class Histogram
extends Object

A Histogram tracks the distribution of a set of values. Every histogram tracks average, minimum, maximum, median, 95th percentile, and the count of a set of values.

Field Summary

Fields

Modifier and Type	Field and Description
protected T	value

Constructor Summary

Constructors

Constructor and Description
Histogram(String name, Number value, String... tags) Create an Histogram value to be sent to DogStatD.

Method Summary

Modifier and Type	Method and Description
void	format(CharBuffer chars) Format the message to be sent.
boolean	validate() Validate the message to be sent.

Methods inherited from class java.lang.Object

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

Field Detail

value

protected final T value

Constructor Detail

Histogram

public Histogram(String name,
                 Number value,
                 String... tags)

Create an Histogram value to be sent to DogStatD.

Parameters:

name - The name of the histogram.

value - The value to add the set.

tags - Any additional data about the value.

Method Detail

validate

public boolean validate()

Validate the message to be sent.

• Use Validator.nameIsValid(String) to validate the metric name.
• Use Validator.tagIsValid(String) to validate each tag.

Specified by:

validate in interface Message

Returns:

true, if the message is valid and should be sent.

format

public void format(CharBuffer chars)

Description copied from interface: Message

Format the message to be sent. In general, message includes type of record, metrics, tags and ends with newline.

Specified by:

format in interface Message

Parameters:

chars - The buffer to hold the formatted message.