ejb-jar.xml

学生注册— 本模块允许新的学生创建和维护他们的帐户信息

        </ejb-ql>
      </query>

      <query>
        <query-method>
          <method-name>findAllOrders</method-name>
          <method-params>
          </method-params>
        </query-method>
        <ejb-ql>
          <![CDATA[SELECT OBJECT(o) FROM Order AS o WHERE o.orderId IS NOT NULL]]>
        </ejb-ql>
      </query>

    </entity>
    
    <entity>
      <ejb-name>OrderLineItemEJB</ejb-name>
      <local-home>day21ex.orderlineitem.OrderLineItemLocalHome</local-home>
      <local>day21ex.orderlineitem.OrderLineItemLocal</local>
      <ejb-class>day21ex.orderlineitem.OrderLineItemEJB</ejb-class>
      <persistence-type>Container</persistence-type>
      <prim-key-class>java.lang.String</prim-key-class>
      <reentrant>False</reentrant>
      <cmp-version>2.x</cmp-version>
      <abstract-schema-name>OrderLineItem</abstract-schema-name>
      <cmp-field>
        <field-name>orderLineItemId</field-name>
      </cmp-field>
      <cmp-field>
        <field-name>fee</field-name>
      </cmp-field>
      <primkey-field>orderLineItemId</primkey-field>

      <query>
        <query-method>
          <method-name>findByOrder</method-name>
          <method-params>
            <method-param>day21ex.order.OrderLocal</method-param>
          </method-params>
        </query-method>
        <ejb-ql>
          <![CDATA[SELECT OBJECT(o) FROM OrderLineItem AS o WHERE o.order = ?1]]>
        </ejb-ql>
      </query>

      <query>
        <query-method>
          <method-name>findByCourse</method-name>
          <method-params>
                <method-param>day21ex.course.CourseLocal</method-param>
          </method-params>
        </query-method>
        <ejb-ql>
          <![CDATA[SELECT OBJECT(o) FROM OrderLineItem AS o WHERE o.course = ?1]]>
        </ejb-ql>
      </query>
      
      <query>
        <query-method>
          <method-name>findAllOrderLineItems</method-name>
          <method-params>
          </method-params>
        </query-method>
        <ejb-ql>
          <![CDATA[SELECT OBJECT(o) FROM OrderLineItem AS o WHERE o.orderLineItemId IS NOT NULL]]>
        </ejb-ql>
      </query>
    </entity>

    <entity>
      <ejb-name>EnrollmentEJB</ejb-name>
      <local-home>day21ex.enrollment.EnrollmentLocalHome</local-home>
      <local>day21ex.enrollment.EnrollmentLocal</local>
      <ejb-class>day21ex.enrollment.EnrollmentEJB</ejb-class>
      <persistence-type>Container</persistence-type>
      <prim-key-class>java.lang.String</prim-key-class>
      <reentrant>False</reentrant>
      <cmp-version>2.x</cmp-version>
      <abstract-schema-name>Enrollment</abstract-schema-name>
      <cmp-field>
        <field-name>enrollmentId</field-name>
      </cmp-field>
      <primkey-field>enrollmentId</primkey-field>

      <!-- day 21 exercise -->
      <query>
        <query-method>
          <method-name>findStudentEnrollments</method-name>
          <method-params>
            <method-param>java.lang.String</method-param>
          </method-params>
        </query-method>
        <ejb-ql>
          <![CDATA[SELECT OBJECT(e) FROM Enrollment AS e WHERE e.student.studentId = ?1]]>
        </ejb-ql>
      </query>

    </entity>

    <session>
      <ejb-name>MailerEJB</ejb-name>
      <home>day21ex.mailer.MailerHome</home>
      <remote>day21ex.mailer.Mailer</remote>
      <ejb-class>day21ex.mailer.MailerEJB</ejb-class>
      <session-type>Stateless</session-type>
      <transaction-type>Container</transaction-type>
       <resource-env-ref>
          <resource-env-ref-name>mail/Mail</resource-env-ref-name>
          <resource-env-ref-type>javax.mail.Session</resource-env-ref-type>
       </resource-env-ref>
    </session>

  </enterprise-beans>

  <relationships>

    <ejb-relation>
      <ejb-relation-name>Student-Order</ejb-relation-name>
      <ejb-relationship-role>
        <ejb-relationship-role-name>
          Student-Places-Orders
        </ejb-relationship-role-name>
        <multiplicity>One</multiplicity>
        <relationship-role-source>
         <ejb-name>StudentEJB</ejb-name>
        </relationship-role-source>
      </ejb-relationship-role>

      <ejb-relationship-role>
        <ejb-relationship-role-name>
          Orders-ArePlacedBy-Student
        </ejb-relationship-role-name>
        <multiplicity>Many</multiplicity>
        <relationship-role-source>
          <ejb-name>OrderEJB</ejb-name>
        </relationship-role-source>
        <cmr-field><cmr-field-name>student</cmr-field-name></cmr-field>
      </ejb-relationship-role>
    </ejb-relation>

    <ejb-relation>
      <ejb-relation-name>Order-LineItems</ejb-relation-name>
      <ejb-relationship-role>
        <ejb-relationship-role-name>
          Order-Has-LineItems
        </ejb-relationship-role-name>
        <multiplicity>One</multiplicity>
        <relationship-role-source>
          <ejb-name>OrderEJB</ejb-name>
        </relationship-role-source>
        <cmr-field>
          <cmr-field-name>lineItems</cmr-field-name>
          <cmr-field-type>java.util.Collection</cmr-field-type>
        </cmr-field>
      </ejb-relationship-role>

      <ejb-relationship-role>
        <ejb-relationship-role-name>
          LineItems-BelongTo-Order
        </ejb-relationship-role-name>
        <multiplicity>Many</multiplicity>
        <relationship-role-source>
          <ejb-name>OrderLineItemEJB</ejb-name>
        </relationship-role-source>
        <cmr-field><cmr-field-name>order</cmr-field-name></cmr-field>
      </ejb-relationship-role>
    </ejb-relation>
    
    <ejb-relation>
      <ejb-relation-name>LineItems-Course</ejb-relation-name>
      <ejb-relationship-role>
        <ejb-relationship-role-name>
          Course-IsUsedBy-LineItems
        </ejb-relationship-role-name>
        <multiplicity>One</multiplicity>
        <relationship-role-source>
          <ejb-name>CourseEJB</ejb-name>
        </relationship-role-source>
      </ejb-relationship-role>
      <ejb-relationship-role>
        <ejb-relationship-role-name>
          LineItems-Use-Course
        </ejb-relationship-role-name>
        <multiplicity>Many</multiplicity>
        <relationship-role-source>
          <ejb-name>OrderLineItemEJB</ejb-name>
        </relationship-role-source>
        <cmr-field><cmr-field-name>course</cmr-field-name></cmr-field>
      </ejb-relationship-role>
    </ejb-relation>

    <ejb-relation>
      <ejb-relation-name>Student-Enrollments</ejb-relation-name>
        <ejb-relationship-role> 
          <ejb-relationship-role-name> 
            Student-has-enrollments
          </ejb-relationship-role-name>
          <multiplicity>One</multiplicity>
          <relationship-role-source>
            <ejb-name>StudentEJB </ejb-name>
          </relationship-role-source>
        </ejb-relationship-role>
        <ejb-relationship-role>
          <ejb-relationship-role-name> 
            Enrollment-of-student
          </ejb-relationship-role-name>
          <multiplicity>Many</multiplicity>
          <relationship-role-source>
            <ejb-name>EnrollmentEJB</ejb-name>
          </relationship-role-source>
          <cmr-field>
            <cmr-field-name>student</cmr-field-name>
          </cmr-field> 
        </ejb-relationship-role>
      </ejb-relation>

    <ejb-relation>
      <ejb-relation-name>Course-Enrollments </ejb-relation-name>
        <ejb-relationship-role> 
          <ejb-relationship-role-name> 
            Course-has-enrollments
          </ejb-relationship-role-name>
          <multiplicity>One</multiplicity>
          <relationship-role-source>
            <ejb-name>CourseEJB </ejb-name>
          </relationship-role-source>
        </ejb-relationship-role>
        <ejb-relationship-role>
          <ejb-relationship-role-name> 
            Enrollment-of-course
          </ejb-relationship-role-name>
          <multiplicity>Many</multiplicity>
          <relationship-role-source>
            <ejb-name>EnrollmentEJB</ejb-name>
          </relationship-role-source>
          <cmr-field>
            <cmr-field-name>course</cmr-field-name>
          </cmr-field> 
        </ejb-relationship-role>
      </ejb-relation>

  </relationships>

  <assembly-descriptor>
    <container-transaction>
       <method>
         <ejb-name>AdminFacadeEJB</ejb-name>
         <method-intf>Remote</method-intf>
         <method-name>*</method-name>
       </method>
       <trans-attribute>Required</trans-attribute>
    </container-transaction>
  </assembly-descriptor>

</ejb-jar>