C++ access from scala

[Paul Weiss]

Hi,

Are there any better alternatives to accessing C++ libraries from scala other than JNI.  Ideally would like to avoid copying data into the C++ memory space via off heap or other mechanism.  Have legacy C++ code libs that need integration with scala programs.

thanks,

-paul

[Ruslan Shevchenko]

  You can use offheap memory buffer. Same memory chunk can be viewed as MappedByteBuffer for java and mmap mapped region from C++/C  side.

 // Well-known project wich use this approach: https://github.com/real-logic/Aeron 

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[Alex Cruise]

The cleanest thing I've seen is https://github.com/java-native-access/jna.

-0xe1a

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