summit-2010/CanonicalDemo/META-INF/jpa-orm.xml

<?xml version="1.0" encoding="UTF-8"?>
<entity-mappings version="2.0" xmlns="http://www.eclipse.org/eclipselink/xsds/persistence/orm" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  
  <package>model</package>

  <entity name="Employee" class="Employee" access="PROPERTY">
    <attributes>
      <id name="id">
        <column name="EMP_ID"/>
      </id>
	  <element-collection name="responsibilities"/>
      <many-to-one name="address" target-entity="Address" fetch="LAZY">
        <join-column name="ADDR_ID"/>
      </many-to-one>
      <many-to-one name="manager" target-entity="Employee" fetch="LAZY">
        <join-column name="MANAGER_ID" referenced-column-name="EMP_ID"/>
      </many-to-one>
      <one-to-many name="phoneNumbers" target-entity="PhoneNumber" mapped-by="owner"/>
      <one-to-many name="managedEmployees" target-entity="Employee" mapped-by="manager"/>
      <many-to-many name="projects" target-entity="Project"/>
      <embedded name="period">
        <attribute-override name="startDate">
          <column name="START_DATE" nullable="false"/>
        </attribute-override>
        <attribute-override name="endDate">
          <column name="END_DATE" nullable="true"/>
        </attribute-override>
      </embedded>
    </attributes>
  </entity>
  
  <entity name="Address" class="Address" access="PROPERTY">
    <attributes>
      <id name="id">
        <column name="ADDRESS_ID"/>
      </id>
      <one-to-many name="employees" target-entity="Employee" mapped-by="address"/>
    </attributes>
  </entity>

  <entity name="PhoneNumber" class="PhoneNumber" access="PROPERTY">
    <id-class class="PhoneNumberPK"/>
    <attributes>
      <id name="id">
        <column name="OWNER_ID" insertable="false" updatable="false"/>
      </id>
      <id name="type">
        <column name="TYPE"/>
      </id>
      <basic name="number">
        <column name="NUMB"/>
      </basic>
      <many-to-one name="owner" target-entity="Employee">
        <join-column name="OWNER_ID" referenced-column-name="EMP_ID"/>
      </many-to-one>
    </attributes>
  </entity>

  <entity name="Project" class="Project" access="PROPERTY">
    <inheritance strategy="JOINED"/>
      <discriminator-value>P</discriminator-value>
    <attributes>
      <id name="id">
        <column name="PROJ_ID"/>
      </id>
      <one-to-one name="teamLeader" target-entity="Employee">
        <join-column name="LEADER_ID"/>
      </one-to-one>
      <many-to-many name="teamMembers" target-entity="Employee" mapped-by="projects"/>
    </attributes>
  </entity>
  
  <embeddable class="EmploymentPeriod" access="PROPERTY">
    <attributes>
      <basic name="startDate">
        <column name="S_DATE"/>
      </basic>
      <basic name="endDate">
        <column name="E_DATE"/>
      </basic>
    </attributes>
  </embeddable>

</entity-mappings>