public void setShareConsumer(boolean shareConsumer) {
        this.shareConsumer = shareConsumer;
    }
Set to be true if you want to share consumer between topics.When share
consumer, all topics will be subscribed by the default topic's group.

@param shareConsumer
metamorphosis-client/src/main/java/com/taobao/metamorphosis/client/extension/spring/MessageListenerContainer.java