@hibernate.class table="lams_group" true @hibernate.id generator-class="identity" type="java.lang.Long" column="group_id" @hibernate.property column="order_id" length="6" not-null="true" @hibernate.set lazy="true" inverse="true" cascade="none" @hibernate.collection-key column="group_id" @hibernate.collection-one-to-many class="org.lamsfoundation.lams.tool.ToolSession" @hibernate.many-to-one not-null="true" @hibernate.column name="grouping_id"