org.apache.hadoop.chukwa.hicc.rest

Class PieChartController

java.lang.Object

org.apache.hadoop.chukwa.hicc.rest.ChartController

org.apache.hadoop.chukwa.hicc.rest.PieChartController

public class PieChartController
extends ChartController

Constructor Summary

Constructors

Constructor and Description
PieChartController()

Method Summary

Modifier and Type	Method and Description
String	draw(String id) Render pie chart using chartist.js
String	preview(String buffer) Preview a pie chart
String	previewSeries(javax.servlet.http.HttpServletRequest request, String buffer) Preview a series JSON for pie chart

Methods inherited from class org.apache.hadoop.chukwa.hicc.rest.ChartController

create, describe, save

Methods inherited from class java.lang.Object

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

Constructor Detail

PieChartController

public PieChartController()

Method Detail

draw

public String draw(String id)

Render pie chart using chartist.js

Overrides:

draw in class ChartController

Parameters:

id - Reference ID of Chart stored in HBase chukwa_meta table.

Returns:

html chart widget

response.representation.200.doc

Preview a pie chart

response.representation.200.mediaType

text/html

response.representation.200.example

Example available in HICC UI

preview

public String preview(String buffer)

Preview a pie chart

Overrides:

preview in class ChartController

Parameters:

buffer - is pie chart object

Returns:

segment of chart HTML output

response.representation.200.doc

Preview a pie chart

response.representation.200.mediaType

text/html

response.representation.200.example

Example available in HICC UI

previewSeries

public String previewSeries(@Context
                            javax.servlet.http.HttpServletRequest request,
                            String buffer)

Preview a series JSON for pie chart

Overrides:

previewSeries in class ChartController

Parameters:

request - HTTP request object

buffer - is pie chart configuration

Returns:

metrics JSON

response.representation.200.doc

Preview a pie chart series

response.representation.200.mediaType

application/json

response.representation.200.example

Example available in REST API

request.representation.example

Examples.CPU_SERIES_METADATA