org.javarosa.core.model.condition

Class ChoiceNameFunctionHandler

java.lang.Object

org.javarosa.core.model.condition.ChoiceNameFunctionHandler

All Implemented Interfaces:

IFunctionHandler

public class ChoiceNameFunctionHandler
extends Object
implements IFunctionHandler

Constructor Summary

Constructors

Constructor and Description
ChoiceNameFunctionHandler(FormDef f)

Method Summary

Modifier and Type	Method and Description
Object	eval(Object[] args, EvaluationContext ec) Evaluate the function
String	getName()
List<Class[]>	getPrototypes()
boolean	rawArgs()
boolean	realTime()

Methods inherited from class java.lang.Object

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

Constructor Detail

ChoiceNameFunctionHandler

public ChoiceNameFunctionHandler(FormDef f)

Method Detail

getName

public String getName()

Specified by:

getName in interface IFunctionHandler

Returns:

The name of function being handled

eval

public Object eval(Object[] args,
                   EvaluationContext ec)

Description copied from interface: IFunctionHandler

Evaluate the function

Specified by:

eval in interface IFunctionHandler

getPrototypes

public List<Class[]> getPrototypes()

Specified by:

getPrototypes in interface IFunctionHandler

Returns:

List of allowed prototypes for this function. Each prototype is an array of Class, corresponding to the types of the expected arguments. The first matching prototype is used.

rawArgs

public boolean rawArgs()

Specified by:

rawArgs in interface IFunctionHandler

Returns:

true if this handler should be fed the raw argument list if no prototype matches it

realTime

public boolean realTime()

Specified by:

realTime in interface IFunctionHandler

Returns:

true if the result of this handler depends on some dynamic data source, and the expression cannot be pre-computed before the question is reached (un-supported)