Apache JMeter

org.apache.jmeter.testelement
Class AbstractChart

java.lang.Object
  extended by org.apache.jmeter.testelement.AbstractTestElement
      extended by org.apache.jmeter.testelement.AbstractChart
All Implemented Interfaces:
Serializable, Cloneable, Searchable, ReportChart, TestElement
Direct Known Subclasses:
BarChart, LineChart

public abstract class AbstractChart
extends AbstractTestElement
implements ReportChart

The general idea of the chart graphs information for a table. A chart can only be generated from a specific table, though more than one chart can be generated from a single table.

See Also:
Serialized Form

Field Summary
static int DEFAULT_HEIGHT
           
static int DEFAULT_WIDTH
           
protected  BufferedImage image
           
static String REPORT_CHART_CAPTION
           
static String REPORT_CHART_HEIGHT
           
static String REPORT_CHART_TITLE
           
static String REPORT_CHART_WIDTH
           
static String REPORT_CHART_X_AXIS
           
static String REPORT_CHART_X_LABEL
           
static String REPORT_CHART_Y_AXIS
           
static String REPORT_CHART_Y_LABEL
           
static String X_DATA_DATE_LABEL
           
static String X_DATA_FILENAME_LABEL
           
static String[] X_LABELS
           
 
Fields inherited from interface org.apache.jmeter.testelement.TestElement
COMMENTS, ENABLED, GUI_CLASS, NAME, TEST_CLASS
 
Constructor Summary
AbstractChart()
           
 
Method Summary
 BufferedImage getBufferedImage()
          this makes it easy to get the bufferedImage
 String getCaption()
          The caption is a description for the chart explaining what the chart means.
 String getFormattedXAxis()
           
 int getHeight()
          if the height is not set, the default is returned
 String getTitle()
          The title is a the name for the chart.
 double getValue(SamplingStatCalculator stat)
          convienance method for getting the selected value.
 int getWidth()
          if no width is set, the default is returned
 String getXAxis()
           
 String getXLabel()
           
 String getYAxis()
           
 String getYLabel()
           
abstract  JComponent renderChart(List<DataSet> data)
          Subclasses will need to implement the method by doing the following: 1. get the x and y axis 2. filter the table data 3. pass the data to the chart library 4. return the generated chart
 void setBufferedImage(BufferedImage img)
          in case an user wants set the bufferdImage
 void setCaption(String caption)
          The caption is a description for the chart explaining what the chart means.
 void setHeight(String height)
          set the height of the graph
 void setTitle(String title)
          The title is a the name for the chart.
 void setWidth(String width)
          set the width of the graph
 void setXAxis(String field)
           
 void setXLabel(String label)
          The X data labels should be either the filename, date or some other series of values
 void setYAxis(String scale)
           
 void setYLabel(String label)
           
 
Methods inherited from class org.apache.jmeter.testelement.AbstractTestElement
addPropertiesValues, addProperty, addProperty, addTestElement, canRemove, clear, clearTemporary, clearTestElementChildren, clone, emptyTemporary, equals, getComment, getName, getProperty, getPropertyAsBoolean, getPropertyAsBoolean, getPropertyAsDouble, getPropertyAsFloat, getPropertyAsInt, getPropertyAsInt, getPropertyAsLong, getPropertyAsLong, getPropertyAsString, getPropertyAsString, getSearchableTokens, getThreadContext, getThreadName, hashCode, isEnabled, isRunningVersion, isTemporary, logProperties, mergeIn, propertyIterator, recoverRunningVersion, removeProperty, setComment, setEnabled, setName, setProperty, setProperty, setProperty, setProperty, setProperty, setProperty, setProperty, setProperty, setProperty, setRunningVersion, setTemporary, setThreadContext, setThreadName, traverse, traverseCollection, traverseMap, traverseProperty
 
Methods inherited from class java.lang.Object
finalize, getClass, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

REPORT_CHART_X_AXIS

public static final String REPORT_CHART_X_AXIS
See Also:
Constant Field Values

REPORT_CHART_Y_AXIS

public static final String REPORT_CHART_Y_AXIS
See Also:
Constant Field Values

REPORT_CHART_X_LABEL

public static final String REPORT_CHART_X_LABEL
See Also:
Constant Field Values

REPORT_CHART_Y_LABEL

public static final String REPORT_CHART_Y_LABEL
See Also:
Constant Field Values

REPORT_CHART_TITLE

public static final String REPORT_CHART_TITLE
See Also:
Constant Field Values

REPORT_CHART_CAPTION

public static final String REPORT_CHART_CAPTION
See Also:
Constant Field Values

REPORT_CHART_WIDTH

public static final String REPORT_CHART_WIDTH
See Also:
Constant Field Values

REPORT_CHART_HEIGHT

public static final String REPORT_CHART_HEIGHT
See Also:
Constant Field Values

DEFAULT_WIDTH

public static final int DEFAULT_WIDTH
See Also:
Constant Field Values

DEFAULT_HEIGHT

public static final int DEFAULT_HEIGHT
See Also:
Constant Field Values

X_DATA_FILENAME_LABEL

public static final String X_DATA_FILENAME_LABEL
See Also:
Constant Field Values

X_DATA_DATE_LABEL

public static final String X_DATA_DATE_LABEL
See Also:
Constant Field Values

X_LABELS

public static final String[] X_LABELS

image

protected BufferedImage image
Constructor Detail

AbstractChart

public AbstractChart()
Method Detail

getXAxis

public String getXAxis()

getFormattedXAxis

public String getFormattedXAxis()

setXAxis

public void setXAxis(String field)

getYAxis

public String getYAxis()

setYAxis

public void setYAxis(String scale)

getXLabel

public String getXLabel()

setXLabel

public void setXLabel(String label)
The X data labels should be either the filename, date or some other series of values

Parameters:
label -

getYLabel

public String getYLabel()

setYLabel

public void setYLabel(String label)

getTitle

public String getTitle()
The title is a the name for the chart. A page link will be generated using the title. The title will also be used for a page index.

Returns:
chart title

setTitle

public void setTitle(String title)
The title is a the name for the chart. A page link will be generated using the title. The title will also be used for a page index.

Parameters:
title -

getCaption

public String getCaption()
The caption is a description for the chart explaining what the chart means.

Returns:
caption

setCaption

public void setCaption(String caption)
The caption is a description for the chart explaining what the chart means.

Parameters:
caption -

getWidth

public int getWidth()
if no width is set, the default is returned

Returns:
width

setWidth

public void setWidth(String width)
set the width of the graph

Parameters:
width -

getHeight

public int getHeight()
if the height is not set, the default is returned

Returns:
height

setHeight

public void setHeight(String height)
set the height of the graph

Parameters:
height -

renderChart

public abstract JComponent renderChart(List<DataSet> data)
Subclasses will need to implement the method by doing the following: 1. get the x and y axis 2. filter the table data 3. pass the data to the chart library 4. return the generated chart

Specified by:
renderChart in interface ReportChart
Parameters:
data - list of DataSet
Returns:
the component

getBufferedImage

public BufferedImage getBufferedImage()
this makes it easy to get the bufferedImage

Returns:
image

setBufferedImage

public void setBufferedImage(BufferedImage img)
in case an user wants set the bufferdImage

Parameters:
img -

getValue

public double getValue(SamplingStatCalculator stat)
convienance method for getting the selected value. Rather than use Method.invoke(Object,Object[]), it's simpler to just check which column is selected and call the method directly.

Parameters:
stat -
Returns:
value

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