一对多关系中，多的一方即是主键又是外键
两张表，一对多关系.
一的一方配置文件：
plasmids表：
<hibernate-mapping>
<class name="com.wsw.model.Entries" table="ENTRIES" schema="PUBLIC" catalog="PUBLIC">
<id name="id" type="long">
<column name="ID" />
<generator class="native"></generator>
</id>
<property name="alias" type="string">
<column name="ALIAS" length="127" />
</property>
<property name="bioSafetyLevel" type="integer">
<column name="BIO_SAFETY_LEVEL" />
</property>
<property name="creationTime" type="timestamp">
<column name="CREATION_TIME" length="26" />
</property>
<property name="creator" type="string">
<column name="CREATOR" length="127" />
</property>
<property name="creatorEmail" type="string">
<column name="CREATOR_EMAIL" length="127" />
</property>
<property name="fundingSource" type="string">
<column name="FUNDING_SOURCE" length="512" />
</property>
<property name="intellectualProperty" type="string">
<column name="INTELLECTUAL_PROPERTY" length="16777216" />
</property>
<property name="keywords" type="string">
<column name="KEYWORDS" length="127" />
</property>
<property name="longDescription" type="string">
<column name="LONG_DESCRIPTION" length="16777216" />
</property>
<property name="longDescriptionType" type="string">
<column name="LONG_DESCRIPTION_TYPE" length="31" not-null="true" />
</property>
<property name="modificationTime" type="timestamp">
<column name="MODIFICATION_TIME" length="26" />
</property>
<property name="name" type="string">
<column name="NAME" length="127" />
</property>
<property name="owner" type="string">
<column name="OWNER" length="127" />
</property>
<property name="ownerEmail" type="string">
<column name="OWNER_EMAIL" length="127" />
</property>
<property name="partNumber" type="string">
<column name="PART_NUMBER" length="127" />
</property>
<property name="principalInvestigator" type="string">
<column name="PRINCIPAL_INVESTIGATOR" length="512" />
</property>