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我有一个驱动程序类:这是用来日常存储驱动器驱动的细节和在DriverEntry类有DriverEntryKey其中包含作为复合键
public class Driver {
private String driverId;
private String driverName;
//getter and setter
}
和一个在DriverEntry类驱动程序对象和日期对象。 那么我怎样才能在driver.hbm.xml文件中映射这个文件呢?
public class DriverEntry {
private DriverEntryKey key;
private String startTime;
private String endTime;
//getter and setter
}
public class DriverEntryKey implements Serializable{
private Driver driver;
private Date date;
}
<class name="Driver" table="driver" >
<id name="driverId" column="driver_id">
<generator class="assigned"/>
</id>
<property name="driverName" column="prod_name" length="20"/>
</class>
<class name="DriverEntry" table="DriverEntry" >
<composite-id name="key" class="DriverEntryKey">
<key-property name="driver" type=""></key-property>
<key-property name="date" type=""></key-property>
</composite-id>
</class>
所以我能填补其内保持驾驶员---主键到外键 - 在 - >的DataEntry表???