#!/usr/bin/env python3

import pulsar
from pulsar.schema import JsonSchema
from schema import Triple, Value

client = pulsar.Client("pulsar://localhost:6650")

consumer = client.subscribe(
    'my-topic2', 'my-subscription',
    schema=JsonSchema(Triple),
)

while True:
    msg = consumer.receive()
    try:

#         print("Received message '{}' id='{}'".format(
#             msg.data(), msg.message_id()
#         ))

        v = msg.value()

        print(
            "{} -- {} --> {}".format(
                v.s.value,
                v.p.value,
                v.o.value,
            )
        )

        # Acknowledge successful processing of the message
        consumer.acknowledge(msg)
    except Exception:
        # Message failed to be processed
        consumer.negative_acknowledge(msg)

client.close()