org.jfree.formula.function.userdefined
Class MappedFunctionDescription

java.lang.Object
  org.jfree.formula.function.userdefined.MappedFunctionDescription

All Implemented Interfaces:

FunctionDescription

public class MappedFunctionDescription
extends java.lang.Object
implements FunctionDescription

Creation-Date: 05.11.2006, 14:01:22

Author:

Thomas Morgner

Constructor Summary

MappedFunctionDescription()

Method Summary

FunctionCategory	getCategory()
java.lang.Object	getDefaultValue(int position) Returns the default value for an optional parameter.
java.lang.String	getDescription(java.util.Locale locale)
java.lang.String	getDisplayName(java.util.Locale locale)
int	getParameterCount()
java.lang.String	getParameterDescription(int position, java.util.Locale locale)
java.lang.String	getParameterDisplayName(int position, java.util.Locale locale)
Type	getParameterType(int position) Returns the parameter type at the given position using the function metadata.
Type	getValueType()
boolean	isInfiniteParameterCount()
boolean	isParameterMandatory(int position) Defines, whether the parameter at the given position is mandatory.
boolean	isVolatile()

Methods inherited from class java.lang.Object

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

Constructor Detail

MappedFunctionDescription

public MappedFunctionDescription()

Method Detail

getDisplayName

public java.lang.String getDisplayName(java.util.Locale locale)

Specified by:

getDisplayName in interface FunctionDescription

getDescription

public java.lang.String getDescription(java.util.Locale locale)

Specified by:

getDescription in interface FunctionDescription

isVolatile

public boolean isVolatile()

Specified by:

isVolatile in interface FunctionDescription

getValueType

public Type getValueType()

Specified by:

getValueType in interface FunctionDescription

getParameterCount

public int getParameterCount()

Specified by:

getParameterCount in interface FunctionDescription

isInfiniteParameterCount

public boolean isInfiniteParameterCount()

Specified by:

isInfiniteParameterCount in interface FunctionDescription

getParameterType

public Type getParameterType(int position)

Description copied from interface: FunctionDescription

Returns the parameter type at the given position using the function metadata. The first parameter is at the position 0;

Specified by:

getParameterType in interface FunctionDescription

Parameters:

position - The parameter index.

Returns:

The parameter type.

getParameterDisplayName

public java.lang.String getParameterDisplayName(int position,
                                                java.util.Locale locale)

Specified by:

getParameterDisplayName in interface FunctionDescription

getParameterDescription

public java.lang.String getParameterDescription(int position,
                                                java.util.Locale locale)

Specified by:

getParameterDescription in interface FunctionDescription

isParameterMandatory

public boolean isParameterMandatory(int position)

Defines, whether the parameter at the given position is mandatory. A mandatory parameter must be filled in, while optional parameters need not to be filled in.

Specified by:

isParameterMandatory in interface FunctionDescription

Returns:

getDefaultValue

public java.lang.Object getDefaultValue(int position)

Returns the default value for an optional parameter. If the value returned here is null, then this either means, that the parameter is mandatory or that the default value is computed by the expression itself.

Specified by:

getDefaultValue in interface FunctionDescription

Parameters:

position -

Returns:

getCategory

public FunctionCategory getCategory()

Specified by:

getCategory in interface FunctionDescription