DefaultConsumerFactory.java 文件源码

@Override
public ConsumerConnector newConsumerConnector(String name, ConsumerConfig configOverrides) {

    Properties mergedProps = new Properties();

    Map<String, String> config = configs.get(name);

    if (config != null) {
        mergedProps.putAll(config);
    }

    if (configOverrides != null) {
        mergedProps.putAll(configOverrides.createConsumerConfig());
    }

    return Consumer.createJavaConsumerConnector(new kafka.consumer.ConsumerConfig(mergedProps));
}