class PlanItem {
   //...there are some other properties and getters/setters

   private List loggedDataList;

   public List getLoggedDataList() {return this.loggedDataList;}
   public void setLoggedDataList(list) {this.loggedDataList = list;}
}


class NoticeItem {
   //...there are some other properties and getters/setters

   private List loggedDataList;

   public List getLoggedDataList() {return this.loggedDataList;}
   public void setLoggedDataList(list) {this.loggedDataList = list;}
}


class LoggedData {
   private String      loggedDataId;
   private Date      logDateTime;
   private DateSpan      dateSpan;
   private Integer      quantity;
   private Integer       loggedDataSeqId;
   private Object       referencedEntity;
   

   
   public DateSpan getDateSpan() {
      return dateSpan;
   }

   public void setDateSpan(DateSpan dateSpan) {
      this.dateSpan = dateSpan;
   }

   public String getLoggedDataId() {
      return loggedDataId;
   }

   public void setLoggedDataId(String loggedDataId) {
      this.loggedDataId = loggedDataId;
   }

   public Integer getQuantity() {
      return quantity;
   }

   public void setQuantity(Integer quantity) {
      this.quantity = quantity;
   }

   /**
    * @return Returns the loggedDataSeqId.
    */
   public Integer getLoggedDataSeqId() {
      return loggedDataSeqId;
   }

   /**
    * @param loggedDataSeqId The loggedDataSeqId to set.
    */
   public void setLoggedDataSeqId(Integer loggedDataSeqId) {
      this.loggedDataSeqId = loggedDataSeqId;
   }

   public Object getReferencedEntity() {
      return this.referencedEntity;
   }

   public void setReferencedEntity(Object referencedEntity) {
      this.referencedEntity = referencedEntity;
   }

   public Date getLogDateTime() {
      return this.logDateTime;
   }

   public void setLogDateTime(Date logDateTime) {
      this.logDateTime = logDateTime;
   }
}



<class name="eg.PlanItem" table="PLAN_ITEM" dynamic-update="false" lazy="true">
   <!--some properties-->
   <list name="loggedDataList" lazy="true" inverse="true" cascade="all" outer-join="false">
      <key column="REFERENCED_ID"/>
      <index column="LOGGED_DATA_SEQ_ID"/>
      <one-to-many class="eg.LoggedData"></one-to-many>
   </list>
</class>



<class name="eg.NoticeItem" table="NOTICE_ITEM" dynamic-update="false" lazy="true">
   <!--some properties-->
   <list name="loggedDataList" lazy="true" inverse="true" cascade="all" outer-join="false">
      <key column="REFERENCED_ID"/>
      <index column="LOGGED_DATA_SEQ_ID"/>
      <one-to-many class="eg.LoggedData"/>
   </list>
</class>



<class name="eg.LoggedData" table="LOGGED_DATA" dynamic-update="false" lazy="true">
   <id name="loggedDataId" column="LOGGED_DATA_ID" type="string" length="20" unsaved-value="any">
      <generator class="native"/>
   </id>
   <property name="loggedDataSeqId" column="LOGGED_DATA_SEQ_ID" type="integer" />
   <property name="logDateTime" type="timestamp" column="LOG_DATE_TIME" insert="true" update="true"/>
   <component name="dateSpan" class="eg.DateSpan">
      <many-to-one name="dateSpanType" class="eg.DateSpanTypeEntity" cascade="none" outer-join="false" update="true" insert="true" column="DATE_SPAN_TYPE_ID"/>
      <property name="dateTimeFrom" type="timestamp" update="true" insert="true" column="DATE_TIME_FROM"/>
      <property name="dateTimeTo" type="timestamp" update="true" insert="true" column="DATE_TIME_TO"/>
   </component>
   <property name="quantity" type="java.lang.Integer" update="true" insert="true" column="QUANTITY"/>
         
   <any id-type="string" name="referencedEntity">
      <column name="REFERENCED_CLASS"/>
      <column name="REFERENCED_ID"/>
   </any>
</class>