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Python SimpleConsumer.provide_partition_info方法代码示例

本文整理汇总了Python中kafka.consumer.SimpleConsumer.provide_partition_info方法的典型用法代码示例。如果您正苦于以下问题:Python SimpleConsumer.provide_partition_info方法的具体用法?Python SimpleConsumer.provide_partition_info怎么用?Python SimpleConsumer.provide_partition_info使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在kafka.consumer.SimpleConsumer的用法示例。


在下文中一共展示了SimpleConsumer.provide_partition_info方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: ZKConsumer

# 需要导入模块: from kafka.consumer import SimpleConsumer [as 别名]
# 或者: from kafka.consumer.SimpleConsumer import provide_partition_info [as 别名]

#.........这里部分代码省略.........
        my_partitions = []
        if self.consumer is not None:
            self.logger.warn('Brokers changed, stopping Kafka consumer.')
            my_partitions = self.consumer.offsets.keys()
            self.consumer.stop()
            self.consumer = None
        if self.client is not None:
            self.logger.warn('Brokers changed, stopping Kafka client.')
            self.client.close()
            self.client = None

        if my_partitions:
            msg = 'Brokers changed, queuing restart of Kafka client / consumer.'
            self.logger.warn(msg)
            self.zk.handler.spawn(self.init_consumer, my_partitions)

    def init_consumer(self, my_partitions):
        if self.consumer is None:
            self.logger.warn('Starting Kafka client')
            self.client = KafkaClient(self.broker_hosts,
                                      client_id=self.zkp._identifier)
        else:
            if self.consumer is None or \
               sorted(my_partitions) != sorted(self.consumer.offsets.keys()):
                self.logger.warn('Partitions changed, restarting Kafka consumer.')
                self.consumer.stop()
            else:
                self.logger.info('Partitions unchanged, not restarting Kafka consumer.')
                return

        self.consumer = SimpleConsumer(self.client, self.group, self.topic,
                                       partitions=my_partitions,
                                       **self.consumer_kwargs)
        self.consumer.provide_partition_info()
        self.logger.info("Consumer connected to Kafka: %s", self.consumer.offsets)

    def stop(self):
        if self.consumer is not None:
            self.logger.info('Stopping Kafka consumer')
            self.consumer.stop()
            self.consumer = None
        if self.client is not None:
            self.logger.info('Stopping Kafka client')
            self.client.close()
            self.client = None
        if self.zk is not None:
            self.logger.info('Stopping ZooKeeper client')
            if self.zkp is not None and not self.zkp.failed:
                self.zkp.finish()
                self.zk.stop()
            self.zkp = None
            self.zk = None

    def commit(self, partitions=None):
        """
        Commit offsets for this consumer

        partitions: list of partitions to commit, default is to commit
                    all of them
        """
        if self.consumer is None:
            return
        self.logger.debug('Begin committing offsets for partitions: %s',
                          partitions if partitions else 'All')
        self.consumer.commit(partitions)
        self.logger.debug('End committing offsets for partitions: %s',
开发者ID:CrowdStrike,项目名称:cs.eyrie,代码行数:70,代码来源:zk_consumer.py


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