code: def python_to_java_reader(self, reader):
      c_stream = self.java_c.ArrowArrayStream.allocateNew(
          self.java_allocator
      )
      reader._export_to_c(c_stream.memoryAddress())
      return self.java_c.Data.importArrayStream(
          self.java_allocator, c_stream
      )
  
imports: import decimal
  import gc
  import os
  import sys
  import unittest
  import xml.etree.ElementTree
  import jpype
  import pyarrow
  import pyarrow.ipc
  from pyarrow.cffi import ffi
label_desc: Use image node_id 9 for calling the Bridge obj's underlying member method code with example usage: obj.python_to_java_reader(reader) and returns: self