Hibernate的一对一,一对多/多对一关联保存的实现

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// one to one
private com.rhtcms.cms.entity.main.CustomerMessageContent customerMessageContent;//对应内容表信息

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//one to one
private com.rhtcms.cms.entity.main.CustomerMessage customerMessage;//对应客户留言状态表

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<id name="id" type="string" column="id"><generator class = "uuid"/></id>
<one-to-one name="customerMessageContent" class="CustomerMessageContent"  cascade="all"></one-to-one>

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<id name="messageId" type="string" column="message_id">
            <generator class="foreign"><param name="property">customerMessage</param></generator>
</id>
 
<one-to-one name="customerMessage" class="CustomerMessage"  constrained="true"  ></one-to-one>

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CustomerMessage customerMessageSave = mng.save(customerMessage); //保存状态表信息,并获取uuid
CustomerMessageContent customerMessageContent = new CustomerMessageContent();
            //首先对留言,反馈信息进行敏感词过滤
String wordCensor = cmsMng.replaceSensitivity(questionText);
customerMessageContent.setQuestionText(wordCensor);//设置内容表内容
customerMessageContent.setCustomerMessage(customerMessageSave);//设置从表中主表的属性
contentMng.save(customerMessageContent);//同时保存内容表信息

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private Set<ActivitySign> signs = new HashSet<ActivitySign>();

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private Activity activity;//活动表信息

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<id name="id" type="java.lang.Integer" column="activity_id"><generator class="native"/></id>
<set name="signs" cascade="save-update" lazy="false">
   <cache usage="read-write"/>
   <key column="activity_id" />
   <one-to-many class="ActivitySign"/>
</set>

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<id name="id" column="sign_id">
   <generator class="native"></generator>
</id>
<many-to-one name="activity" class="Activity" column="activity_id"></many-to-one>

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activityMng.save(bean,set);
//......下面是save方法
 bean = dao.save(bean);
// update by 2021年1月23日10:36:56 zqy 优化保存接口
 for (ActivitySign activitySign : set) {
 activitySign.setActivity(bean);
 signDao.save(activitySign);
 }