public void setShareProducer(boolean producerPerTopic) {
        this.shareProducer = producerPerTopic;
    }
If true, the template will share a message producer between topics.It's
false by default.

@param producerPerTopic
@since 1.4.5
metamorphosis-client/src/main/java/com/taobao/metamorphosis/client/extension/spring/MetaqTemplate.java