Re: [Py4j-users] Converting Python collections to Java Collections

[Mingda Z. <sd...@16...>]

Thank you, Barthelemy.
I have solved my problem by creating an array using gateway.new_array. What a powerful tool!
Best regards,
Mingda








At 2014-08-19 05:50:57, "Barthelemy Dagenais" <bar...@in...> wrote:
>Hi,
>
>Thanks for using Py4j!
>
>Py4J supports automated conversion to Java lists, sets, and maps, but
>not array: http://py4j.sourceforge.net/advanced_topics.html#converting-python-collections-to-java-collections
>
>You can still create an array from Py4J using gateway.new_array
>(http://py4j.sourceforge.net/faq.html#how-to-create-an-array).
>
>If you want Py4J to support automated conversion to Java arrays, you
>can open an issue on github with an example of your use case.
>
>There are a few challenges with automatically converting to Java
>collections and to Java arrays in particular, but it might be possible
>to create a converter for common cases.
>
>Cheers,
>Barthelemy
>
>On Mon, Aug 18, 2014 at 10:57 PM, Mingda Zhang <sd...@16...> wrote:
>> Hi,
>> Py4J is a great project to access Java objects. Py4J can covert Python
>> collections to Java collections easily. But now, I need to convert the
>> Python collections to Java array (The Input parameters of methods in Java
>> are array ). Could anyone tell me how to do this with Py4J? Thank you very
>> much.
>> Best regards,
>> Mingda Zhang
>>
>>
>>
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