com.vaadin.base.devserver.stats

Class StatisticsContainer

java.lang.Object

com.vaadin.base.devserver.stats.StatisticsContainer

public class StatisticsContainer
extends Object

Wraps a JSON data structure and provides a slightly easier API for it.

Constructor Summary

Constructors

Constructor and Description
StatisticsContainer(com.fasterxml.jackson.databind.node.ObjectNode json) Wraps the given json with this API.

Method Summary

Modifier and Type	Method and Description
void	aggregate(String name, double newValue) Sets the value to the given field and updates related aggregate fields.
String	getValue(String name) Returns the given field value as a string.
double	getValueAsDouble(String name) Returns the given field value as a double.
void	increment(String name) Increments the value for the given field.
void	setValue(String name, com.fasterxml.jackson.databind.JsonNode value) Stores a JSON object using the given field name.
void	setValue(String name, long value) Stores a long using the given field name.
void	setValue(String name, String value) Stores a string using the given field name.

Methods inherited from class java.lang.Object

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

Constructor Detail

StatisticsContainer

public StatisticsContainer(com.fasterxml.jackson.databind.node.ObjectNode json)

Wraps the given json with this API.

Parameters:

json - the json to wrap

Method Detail

setValue

public void setValue(String name,
                     String value)

Stores a string using the given field name.

Parameters:

name - name of the field to store

value - the value to store

setValue

public void setValue(String name,
                     long value)

Stores a long using the given field name.

Parameters:

name - name of the field to store

value - the value to store

setValue

public void setValue(String name,
                     com.fasterxml.jackson.databind.JsonNode value)

Stores a JSON object using the given field name.

Parameters:

name - name of the field to store

value - the value to store

increment

public void increment(String name)

Increments the value for the given field.

Parameters:

name - the name of the field to increment

aggregate

public void aggregate(String name,
                      double newValue)

Sets the value to the given field and updates related aggregate fields.

Updates the following fields:

• name The new value
• name_min The minimum value
• name_max The maximum value
• name_count Number of values collected

Parameters:

name - Name of the field to update.

newValue - The new value to store.

getValue

public String getValue(String name)

Returns the given field value as a string.

Parameters:

name - name of the field to get

Returns:

the value of the field as a string

getValueAsDouble

public double getValueAsDouble(String name)

Returns the given field value as a double.

Parameters:

name - name of the field to get

Returns:

the value of the field as a double, 0 if missing or not a double