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xxxTypeInfo为对象, XxxTrackTypeInfo为所引用对象的实体类, column="track_type_id"表示外键
<many-to-one name="xxxTypeInfo" class="XxxTrackTypeInfo"
column="track_type_id" outer-join="false" insert="true" cascade="all"></many-to-one>
Session session = null;
Transaction ta = null;
try{
session = this.service.GetMySession();
ta = session.beginTransaction();
XxxTrackInfo myentity = (XxxTrackInfo)session.load(XxxTrackInfo.class, 11);
System.out.println(myentity.getLocation());
System.out.println(myentity.getXxxTypeInfo().getRatedVol());
System.out.println(myentity.getXxxTypeInfo().getTypeName());
}catch(Exception e){
e.printStackTrace();
if(ta != null){
ta.rollback();
}
}finally{
session.close();
}