On Wed, Dec 2, 2015 at 1:19 PM, andrea del bene <an.delb...@gmail.com>
wrote:
> You can see a fantastic example :D of instance method reference in
> MarkupContainerTest where I filter children components with
> Class::isInstance:
>
> private Stream<Component> filterChildrenStreamByClass(MarkupContainer
> container, Class<? extends Component> filterClass)
> {
> return container.childrenStream().filter(filterClass::isInstance);
> }
>
>
IMO, we should be careful with this.
This code is shorter but definitely slower than the old code.
>
> Wicket on functional-steroids :)
>
>
>
> On 02/12/2015 09:54, Michael Mosmann wrote:
>
>> Hi,
>>
>> .. got it. Was on a wrong track:)
>>
>> We must use BiConsumer for setter-like methods..
>>
>> mm:)
>>
>> Am 02.12.2015 um 09:39 schrieb Sven Meier:
>>
>>> Hi,
>>>
>>> It is sad, that there is no way to get some kind of instance method
>>>> reference in java8.
>>>>
>>> instance::getName *is* an instance method reference.
>>>
>>> IModel<String> model=Models.of(instanceModel, SomeBean::getName
>>>> ,SomeBean::setName); // does not compile
>>>>
>>> org.wicketstuff.lambda.model.LambdaModel works fine, so what does not
>>> compile in your example?
>>>
>>> Did I miss something? :P
>>>
>>> Sven
>>>
>>>
>>> On 02.12.2015 08:53, Michael Mosmann wrote:
>>>
>>>> Hi,
>>>>
>>>>
>>>>
>>>> Some first thoughts on this..
>>>>
>>>> If we want to use lambdas for some kind of property model, the straight
>>>> forward way of doing this looks like:
>>>>
>>>> SomeBean instance=new SomeBean();
>>>> IModel<String> model=Models.of(instance::getName,instance.setName);
>>>>
>>>> But this will not work, if you have
>>>>
>>>> IModel<SomeBean> instanceModel=...;
>>>>
>>>> So then we could use:
>>>> IModel<String> model=Models.of(instanceModel, x-> x.getName() ,(x,v) ->
>>>> x.setName(v));
>>>>
>>>> It is sad, that there is no way to get some kind of instance method
>>>> reference in java8.
>>>>
>>>> What i would like to write is something like this:
>>>>
>>>> IModel<String> model=Models.of(instanceModel, SomeBean::getName
>>>> ,SomeBean::setName); // does not compile
>>>>
>>>> IMHO the correct way to solve this looks a little strange, but is from
>>>> my point of view more consistent...
>>>>
>>>> IModel<String> model=Models.of(instanceModel, x -> x::getName, x ->
>>>> x::setName)
>>>>
>>>> the Method looks like this:
>>>>
>>>> public <T,V> of(IModel<T> model, Function<T, Supplier<V>> getter,
>>>> Function<T, Consumer<V>> setter);
>>>>
>>>> (* where Function, Supplier and Consumer must extends Serializable)
>>>>
>>>> am i wrong? did i miss something? because i am far from happy with
>>>> this..
>>>>
>>>> mm:)
>>>>
>>>>
>>>> Am 01.12.2015 um 12:45 schrieb andrea del bene:
>>>>
>>>>>
>>>>> Ok, I'd like to play too :) ...
>>>>>
>>>>>> AFAIK we're still playing with lambdas. I still have a message I need
>>>>>> to send to dev@ regarding lambdas...
>>>>>>
>>>>>> Martijn
>>>>>>
>>>>>>
>>>>>> On Mon, Nov 30, 2015 at 3:57 PM, Michael Mosmann <mich...@mosmann.de>
>>>>>> wrote:
>>>>>>
>>>>>>> Hi,
>>>>>>>
>>>>>>> AFAIK not.. I thought it is something like a playground. Am i wrong?
>>>>>>>
>>>>>>> Michael
>>>>>>>
>>>>>>> Am 30. November 2015 15:47:42 MEZ, schrieb andrea del bene
>>>>>>> <an.delb...@gmail.com>:
>>>>>>>
>>>>>>>> Hi,
>>>>>>>>
>>>>>>>> are we tracking changes to lambda branch with issues on JIRA?
>>>>>>>>
>>>>>>>> Andrea.
>>>>>>>>
>>>>>>> --
>>>>>>> Diese Nachricht wurde von meinem Android-Mobiltelefon mit K-9 Mail
>>>>>>> gesendet.
>>>>>>>
>>>>>>
>>>>>>
>
