org.escot
Class FunctionAdapter

java.lang.Object
  |
  +--org.escot.BasicFeature
        |
        +--org.escot.FunctionAdapter

All Implemented Interfaces:

EscotFeature, FunctionEvaluator

public class FunctionAdapter

extends BasicFeature

implements FunctionEvaluator

Adapts a method which returns a number and takes a single number parameter as a FunctionEvaluator.

Field Summary

protected Method	mMethod
protected Object	mTarget

Fields inherited from class org.escot.BasicFeature

INITIAL_ATTR_CAPACITY, mAttributes, mPCSupport

Fields inherited from interface org.escot.FunctionEvaluator

DOMAIN_MAXIMUM_CLOSED, DOMAIN_MAXIMUM_OPEN, DOMAIN_MINIMUM_CLOSED, DOMAIN_MINIMUM_OPEN

Fields inherited from interface org.escot.EscotFeature

COLOR_ATTRIBUTE, DESCRIPTION_ATTRIBUTE, ICON16x16_ATTRIBUTE, TYPE_ATTRIBUTE

Constructor Summary

FunctionAdapter(Object target, Method m)

Method Summary

void	addChangeListener(ChangeListener l) adds a change listener to this function, to be notified when the function definition changes
Number	evaluateAt(Number number) Evaluates the function at the given input.
void	removeChangeListener(ChangeListener l) removes a change listener from this function
String	toString() converts the function to a string representation

Methods inherited from class org.escot.BasicFeature

addPropertyChangeListener, duplicate, getAttribute, getName, putAttribute, removePropertyChangeListener, setName

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.escot.EscotFeature

addPropertyChangeListener, duplicate, getAttribute, getName, putAttribute, removePropertyChangeListener

Field Detail

mTarget

protected Object mTarget

mMethod

protected Method mMethod

Constructor Detail

FunctionAdapter

public FunctionAdapter(Object target,
                       Method m)

Method Detail

evaluateAt

public Number evaluateAt(Number number)

Description copied from interface: FunctionEvaluator

Evaluates the function at the given input.

Specified by:

evaluateAt in interface FunctionEvaluator

Following copied from interface: org.escot.FunctionEvaluator

Parameters:

input - the number to evaluate the function at.

Returns:

the value of the function at the given input.

addChangeListener

public void addChangeListener(ChangeListener l)

Description copied from interface: FunctionEvaluator

adds a change listener to this function, to be notified when the function definition changes

Specified by:

addChangeListener in interface FunctionEvaluator

Following copied from interface: org.escot.FunctionEvaluator

Parameters:

l - a ChangeListener that wants to be notified of changes to this function

removeChangeListener

public void removeChangeListener(ChangeListener l)

Description copied from interface: FunctionEvaluator

removes a change listener from this function

Specified by:

removeChangeListener in interface FunctionEvaluator

Following copied from interface: org.escot.FunctionEvaluator

Parameters:

l - a ChangeListener that no longer wants to listen to change events from this function

toString

public String toString()

Description copied from interface: FunctionEvaluator

converts the function to a string representation

Specified by:

toString in interface FunctionEvaluator

Overrides:

toString in class Object

Following copied from interface: org.escot.FunctionEvaluator

Returns:

either a MathML string or a raw character string representation of the function