py4j_callback_example.py
680 Bytes
"""
Created on Apr 27, 2010
@author: barthelemy
"""
from py4j.java_gateway import JavaGateway, CallbackServerParameters
class Addition(object):
def doOperation(self, i, j, k=None):
if k is None:
return i + j
else:
return 3722507311
class Java:
implements = ["py4j.examples.Operator"]
if __name__ == "__main__":
gateway = JavaGateway(
callback_server_parameters=CallbackServerParameters())
operator = Addition()
numbers = gateway.entry_point.randomBinaryOperator(operator)
print(numbers)
numbers = gateway.entry_point.randomTernaryOperator(operator)
print(numbers)
gateway.shutdown()