org.fujion.model

Class GenericBinder<M>

java.lang.Object

org.fujion.model.GenericBinder<M>

Type Parameters:

M - Type of model object.

All Implemented Interfaces:

Observer, IBinder<M>

public class GenericBinder<M>
extends Object
implements IBinder<M>, Observer

Generic data binder.

Nested Class Summary

Nested classes/interfaces inherited from interface org.fujion.model.IBinder

IBinder.TemplateConverter, IBinder.Value

Field Summary

Fields inherited from interface org.fujion.model.IBinder

NOVALUE

Constructor Summary

Constructors

Constructor and Description
GenericBinder()
GenericBinder(M model)

Method Summary

Modifier and Type	Method and Description
Function<?,?>	choice(Object... choices) Returns a lambda function that returns one of a choice of values depending on the input value.
IBinding	dual(String modelProperty, Function<?,?> readConverter, Function<?,?> writeConverter) Establishes a read and write binding for the given model property.
M	getModel() Returns the bound model.
Function<?,?>	lambda(Object instance, String methodName, Object... args) Returns a lambda function (for use in spEL).
void	modelChanged() Call when the model has changed to update bindings.
void	modelChanged(String propertyName) Call when a specific model property has changed.
IBinding	read(String modelProperty, Function<?,?> converter) Establishes a read binding for the given model property.
void	setModel(M model) Sets the model to bind.
void	update(Observable o, Object arg)
IBinding	write(String modelProperty, Function<?,?> converter) Establishes a write binding for the given model property.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.fujion.model.IBinder

dual, dual, read, read, write, write

Constructor Detail

GenericBinder

public GenericBinder()

GenericBinder

public GenericBinder(M model)

Method Detail

getModel

public M getModel()

Description copied from interface: IBinder

Returns the bound model.

Specified by:

getModel in interface IBinder<M>

Returns:

The bound model.

setModel

public void setModel(M model)

Description copied from interface: IBinder

Sets the model to bind.

Specified by:

setModel in interface IBinder<M>

Parameters:

model - The model to bind.

read

public IBinding read(String modelProperty,
                     Function<?,?> converter)

Description copied from interface: IBinder

Establishes a read binding for the given model property.

Specified by:

read in interface IBinder<M>

Parameters:

modelProperty - The name of the model property.

converter - Property converter.

Returns:

The new binding.

write

public IBinding write(String modelProperty,
                      Function<?,?> converter)

Description copied from interface: IBinder

Establishes a write binding for the given model property.

Specified by:

write in interface IBinder<M>

Parameters:

modelProperty - The name of the model property.

converter - Property converter.

Returns:

The new binding.

dual

public IBinding dual(String modelProperty,
                     Function<?,?> readConverter,
                     Function<?,?> writeConverter)

Description copied from interface: IBinder

Establishes a read and write binding for the given model property.

Specified by:

dual in interface IBinder<M>

Parameters:

modelProperty - The name of the model property.

readConverter - Property converter.

writeConverter - Property converter.

Returns:

The new binding.

update

public void update(Observable o,
                   Object arg)

Specified by:

update in interface Observer

modelChanged

public void modelChanged()

Call when the model has changed to update bindings.

modelChanged

public void modelChanged(String propertyName)

Call when a specific model property has changed.

Parameters:

propertyName - Name of the changed property (or null if unspecified).

lambda

public Function<?,?> lambda(Object instance,
                            String methodName,
                            Object... args)

Returns a lambda function (for use in spEL).

Parameters:

instance - Object instance that is target of method invocation.

methodName - Name of the method to invoke.

args - Optional additional arguments.

Returns:

The lambda function.

choice

public Function<?,?> choice(Object... choices)

Returns a lambda function that returns one of a choice of values depending on the input value.

Parameters:

choices - Possible choices to return.

Returns:

A lambda function for selecting among multiple choices.