de.flapdoodle.wicket.model

Class Models

java.lang.Object

de.flapdoodle.wicket.model.Models

public abstract class Models
extends Object

wicket model support functions

Method Summary

Methods

Modifier and Type	Method and Description
static <R,T> Functions.Reference1<R,T>	apply(Function1<R,T> function) Creates a model based on a function and a set of models.
static <R,T1,T2> Functions.Reference2<R,T1,T2>	apply(Function2<R,T1,T2> function) Creates a model based on a function and a set of models.
static <R,T1,T2,T3> Functions.Reference3<R,T1,T2,T3>	apply(Function3<R,T1,T2,T3> function) Creates a model based on a function and a set of models.
static <T> org.apache.wicket.model.IModel<List<T>>	emptyIfNull(org.apache.wicket.model.IModel<List<T>> source) creates a model which returns an empty list of source list is null
static <T> ModelSet.Set1<T>	on(org.apache.wicket.model.IModel<T> source) Creates a model based on a set of models and a function.
static <T1,T2> ModelSet.Set2<T1,T2>	on(org.apache.wicket.model.IModel<T1> first, org.apache.wicket.model.IModel<T2> second) Creates a model based on a set of models and a function.
static <T1,T2,T3> ModelSet.Set3<T1,T2,T3>	on(org.apache.wicket.model.IModel<T1> first, org.apache.wicket.model.IModel<T2> second, org.apache.wicket.model.IModel<T3> third) Creates a model based on a set of models and a function.
static <T> org.apache.wicket.model.IModel<T>	readOnly(org.apache.wicket.model.IModel<T> source) creates a read only version of a model, setObject will throw an exception
static <T> org.apache.wicket.model.IModel<List<T>>	unmodifiable(org.apache.wicket.model.IModel<List<? extends T>> source) creates a read only model from a list and make the model list unmodifiable on read access
static <T> org.apache.wicket.model.IModel<List<T>>	unmodifiable(List<T> list) creates a read only model from a list, the list is unmodifiable

Methods inherited from class java.lang.Object

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

Method Detail

on

public static <T> ModelSet.Set1<T> on(org.apache.wicket.model.IModel<T> source)

Creates a model based on a set of models and a function.

• step 1: create a model set
• step 2: provide a function

IModel model=Models.on(source).apply(function);

Type Parameters:

T - model type

Parameters:

source - source model

Returns:

model set with one model

on

public static <T1,T2> ModelSet.Set2<T1,T2> on(org.apache.wicket.model.IModel<T1> first,
                              org.apache.wicket.model.IModel<T2> second)

Creates a model based on a set of models and a function.

• step 1: create a model set
• step 2: provide a function

IModel model=Models.on(first,second).apply(function);

Type Parameters:

T1 - first model type

T2 - second model type

Parameters:

first - first source model

second - second source model

Returns:

model set with two models

on

public static <T1,T2,T3> ModelSet.Set3<T1,T2,T3> on(org.apache.wicket.model.IModel<T1> first,
                                    org.apache.wicket.model.IModel<T2> second,
                                    org.apache.wicket.model.IModel<T3> third)

Creates a model based on a set of models and a function.

• step 1: create a model set
• step 2: provide a function

IModel model=Models.on(first,second,third).apply(function);

Type Parameters:

T1 - first model type

T2 - second model type

T3 - third model type

Parameters:

first - first source model

second - second source model

third - second source model

Returns:

model set with three models

apply

public static <R,T> Functions.Reference1<R,T> apply(Function1<R,T> function)

Creates a model based on a function and a set of models.

• step 1: provide a function
• step 2: chose matching models

IModel model=Models.apply(function).to(source);

Type Parameters:

R - resulting model type

T - source model type

Parameters:

function - transforming function

Returns:

a function reference

apply

public static <R,T1,T2> Functions.Reference2<R,T1,T2> apply(Function2<R,T1,T2> function)

Creates a model based on a function and a set of models.

• step 1: provide a function
• step 2: chose matching models

IModel model=Models.apply(function).to(first,second);

Type Parameters:

R - resulting model type

T1 - first source model type

T2 - second source model type

Parameters:

function - transforming function

Returns:

a function reference

apply

public static <R,T1,T2,T3> Functions.Reference3<R,T1,T2,T3> apply(Function3<R,T1,T2,T3> function)

Creates a model based on a function and a set of models.

• step 1: provide a function
• step 2: chose matching models

IModel model=Models.apply(function).to(first,second);

Type Parameters:

R - resulting model type

T1 - first source model type

T2 - second source model type

T3 - third source model type

Parameters:

function - transforming function

Returns:

a function reference

unmodifiable

public static <T> org.apache.wicket.model.IModel<List<T>> unmodifiable(org.apache.wicket.model.IModel<List<? extends T>> source)

creates a read only model from a list and make the model list unmodifiable on read access

Type Parameters:

T - list type

Parameters:

source - source model

Returns:

resulting model

unmodifiable

public static <T> org.apache.wicket.model.IModel<List<T>> unmodifiable(List<T> list)

creates a read only model from a list, the list is unmodifiable

Type Parameters:

T - list type

Parameters:

list -

Returns:

resulting model

emptyIfNull

public static <T> org.apache.wicket.model.IModel<List<T>> emptyIfNull(org.apache.wicket.model.IModel<List<T>> source)

creates a model which returns an empty list of source list is null

Parameters:

source - source

Returns:

resulting model

readOnly

public static <T> org.apache.wicket.model.IModel<T> readOnly(org.apache.wicket.model.IModel<T> source)

creates a read only version of a model, setObject will throw an exception

Parameters:

source - source

Returns:

model of same type