Package org.apache.jmeter.engine.util

Class CompoundVariable

java.lang.Object

org.apache.jmeter.engine.util.CompoundVariable

All Implemented Interfaces:

Function

public class CompoundVariable
extends Object
implements Function

CompoundFunction.

Constructor Summary

Constructors

Constructor	Description
CompoundVariable()
CompoundVariable(String parameters)

Method Summary

Modifier and Type	Method	Description
void	clear()
String	execute()
String	execute(SampleResult previousResult, Sampler currentSampler)	Given the previous SampleResult and the current Sampler, return a string to use as a replacement value for the function call.
List<String>	getArgumentDesc()	Return a list of strings briefly describing each parameter your function takes.
CompoundVariable	getFunction()
static Class<? extends Function>	getFunctionClass(String className)
static String[]	getFunctionNames()
String	getRawParameters()	Allows the retrieval of the original String prior to it being compiled.
String	getReferenceKey()	Return the name of your function.
boolean	hasFunction()
void	setParameters(String parameters)
void	setParameters(Collection<CompoundVariable> parameters)	A collection of the parameters used to configure your function.

Methods inherited from class java.lang.Object

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

Constructor Detail

CompoundVariable

public CompoundVariable()

CompoundVariable

public CompoundVariable(String parameters)

Method Detail

execute

public String execute()

getRawParameters

public String getRawParameters()

Allows the retrieval of the original String prior to it being compiled.

Returns:

String

execute

public String execute(SampleResult previousResult,
                      Sampler currentSampler)

Given the previous SampleResult and the current Sampler, return a string to use as a replacement value for the function call. Assume "setParameter" was previously called. This method must be threadsafe - multiple threads will be using the same object.

Specified by:

execute in interface Function

Parameters:

previousResult - The previous SampleResult

currentSampler - The current Sampler

Returns:

The replacement value, which was generated by the function

getFunction

public CompoundVariable getFunction()

getArgumentDesc

public List<String> getArgumentDesc()

Return a list of strings briefly describing each parameter your function takes. Please use JMeterUtils.getResString(resource_name) to grab a resource string. Otherwise, your help text will be difficult to internationalize. This list is not optional. If you don't wish to write help, you must at least return a List containing the correct number of blank strings, one for each argument.

Specified by:

getArgumentDesc in interface Function

Returns:

List with brief descriptions for each parameter the function takes

clear

public void clear()

setParameters

public void setParameters(String parameters)
                   throws InvalidVariableException

Throws:

InvalidVariableException

getFunctionClass

public static Class<? extends Function> getFunctionClass(String className)

getFunctionNames

public static String[] getFunctionNames()

hasFunction

public boolean hasFunction()

getReferenceKey

public String getReferenceKey()

Return the name of your function. Convention is to prepend "__" to the name (ie "__regexFunction")

Specified by:

getReferenceKey in interface Function

Returns:

The name of the funtion

setParameters

public void setParameters(Collection<CompoundVariable> parameters)
                   throws InvalidVariableException

A collection of the parameters used to configure your function. Each parameter is a CompoundVariable and can be resolved by calling the execute() method of the CompoundVariable (which should be done at execution.)

Specified by:

setParameters in interface Function

Parameters:

parameters - The parameters for the function call

Throws:

InvalidVariableException - - when the variables for the function call can't be evaluated