headius commented on issue #35589:
URL: https://github.com/apache/arrow/issues/35589#issuecomment-1548017361
Ok here's the JRuby version of the simple vector example. I'm trying to work
out the best way to pull the jars and make it easily runnable for you:
```ruby
java_import org.apache.arrow.memory.RootAllocator
java_import org.apache.arrow.vector.IntVector
begin
allocator = RootAllocator.new
int_vector = IntVector.new("fixed-size-primitive-layout", allocator)
int_vector.allocate_new(3)
int_vector.set(0,1)
int_vector.set_null(1)
int_vector.set(2,2)
int_vector.set_value_count(3);
puts "Vector created in memory: #{int_vector}"
ensure
int_vector.close rescue nil
allocator.close rescue nil
end
```
When all necessary dependency jars are loaded (into JRuby via CLASSPATH env
or `require` each jar), this should work.
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