employee/dynamic/src/META-INF/employee-orm.xml

<?xml version="1.0" encoding="UTF-8"?>
<entity-mappings version="2.1"
	xmlns="http://www.eclipse.org/eclipselink/xsds/persistence/orm"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">

	<package>example.jpa.dynamic.model.employee</package>

	<object-type-converter name="gender-converter"
		object-type="String" data-type="String">
		<conversion-value object-value="Male" data-value="M" />
		<conversion-value object-value="Female" data-value="F" />
	</object-type-converter>

	<named-query name="Employee.findAll">
		<query>SELECT e FROM Employee e ORDER BY e.lastName, e.firstName</query>
		<hint name="eclipselink.query-results-cache" value="True" />
	</named-query>

	<named-query name="Employee.findMin">
		<query>SELECT e FROM Employee e WHERE e.id IN (SELECT MIN(ee.id) FROM
			Employee ee)</query>
	</named-query>

	<named-query name="Employee.findSummary">
		<query>SELECT new example.jpa.dynamic.model.employee.EmpSummary(e.id, e.firstName, e.lastName, a.city) FROM Employee e JOIN e.address a</query>
	</named-query>

	<entity class="Address" access="VIRTUAL">
		<attributes>
			<id name="id" attribute-type="Integer">
				<column name="ADDRESS_ID" />
				<generated-value strategy="SEQUENCE" generator="address-generator" />
				<sequence-generator name="address-generator"
					sequence-name="ADDR_SEQ" />
			</id>
			<basic name="city" attribute-type="String" />
			<basic name="country" attribute-type="String" />
			<basic name="province" attribute-type="String" />
			<basic name="postalCode" attribute-type="String">
				<column name="P_CODE" />
			</basic>
			<basic name="street" attribute-type="String" />
		</attributes>
	</entity>

	<entity class="PhoneNumber" access="VIRTUAL">
		<table name="PHONE" />
		<attributes>
			<id name="id" attribute-type="Integer">
				<column name="PHONE_NUM_ID" />
				<generated-value strategy="SEQUENCE" />
			</id>
			<basic name="type" attribute-type="String">
				<column updatable="false" />
			</basic>
			<basic name="areaCode" attribute-type="String">
				<column name="AREA_CODE" />
			</basic>
			<basic name="number" attribute-type="String">
				<column name="P_NUMBER" />
			</basic>
			<many-to-one name="owner" fetch="EAGER" target-entity="Employee">
				<join-column name="EMP_ID" />
			</many-to-one>
		</attributes>
	</entity>

	<entity class="Employee" access="VIRTUAL">
		<secondary-table name="SALARY" />
		<attributes>
			<id name="id" attribute-type="Integer">
				<column name="EMP_ID" />
				<generated-value strategy="SEQUENCE" generator="employee-generator" />
				<sequence-generator name="employee-generator"
					sequence-name="EMP_SEQ" />
			</id>
			<basic name="firstName" attribute-type="String">
				<column name="F_NAME" />
			</basic>
			<basic name="lastName" attribute-type="String">
				<column name="L_NAME" />
			</basic>
			<basic name="startTime" attribute-type="String">
				<column name="START_TIME" />
			</basic>
			<basic name="endTime" attribute-type="String">
				<column name="END_TIME" />
			</basic>
			<basic name="gender" attribute-type="String">
				<column name="GENDER" />
				<convert>gender-converter</convert>
			</basic>
			<basic name="salary" attribute-type="Integer">
				<column table="SALARY" />
			</basic>

			<version name="version" attribute-type="Long" />

			<many-to-one name="manager" fetch="EAGER" optional="true"
				target-entity="Employee">
				<join-column name="MANAGER_ID" />
			</many-to-one>

			<one-to-many name="managedEmployees" mapped-by="manager"
				target-entity="Employee" attribute-type="java.util.List" />

			<one-to-many name="phoneNumbers" mapped-by="owner"
				target-entity="PhoneNumber" attribute-type="java.util.List">
				<cascade>
					<cascade-all />
				</cascade>
				<private-owned />
			</one-to-many>

			<one-to-one name="address" fetch="EAGER" target-entity="Address">
				<join-column name="ADDR_ID" />
				<cascade>
					<cascade-all />
				</cascade>
				<private-owned />
			</one-to-one>

			<many-to-many name="projects" target-entity="Project"
				attribute-type="java.util.List">
				<join-table name="PROJ_EMP">
					<join-column name="EMP_ID" />
					<inverse-join-column name="PROJ_ID" />
				</join-table>
			</many-to-many>

			<element-collection name="responsibilities"
				attribute-type="java.util.List" target-class="String">
				<column name="RESPON_DESC" />
				<collection-table name="RESPONS" />
			</element-collection>

			<embedded name="period" attribute-type="EmploymentPeriod" />

		</attributes>
	</entity>

	<entity class="Project" access="VIRTUAL">
		<inheritance strategy="JOINED" />
		<discriminator-column name="PROJ_TYPE"
			discriminator-type="CHAR" />
		<attributes>
			<id name="id" attribute-type="Integer">
				<column name="PROJ_ID" />
				<generated-value strategy="SEQUENCE" generator="project-generator" />
				<sequence-generator name="project-generator"
					sequence-name="PROJ_SEQ" />
			</id>
			<basic name="description" attribute-type="String">
				<column name="DESCRIP" />
			</basic>
			<basic name="name" attribute-type="String">
				<column name="PROJ_NAME" />
			</basic>
			<version name="version" attribute-type="Long" />
			<many-to-one name="teamLeader" fetch="EAGER"
				target-entity="Employee">
				<join-column name="LEADER_ID" />
			</many-to-one>
		</attributes>
	</entity>

	<entity class="SmallProject" parent-class="Project" access="VIRTUAL">
		<table name="PROJECT" />
		<discriminator-value>S</discriminator-value>
	</entity>

	<entity class="LargeProject" parent-class="Project" access="VIRTUAL">
		<table name="LPROJECT" />
		<discriminator-value>L</discriminator-value>
		<attributes>
			<basic name="budget" attribute-type="Double" />
			<basic name="milestone" attribute-type="java.util.Calendar">
				<temporal>TIMESTAMP</temporal>
			</basic>
		</attributes>
	</entity>

	<embeddable class="EmploymentPeriod" access="VIRTUAL">
		<attributes>
			<basic name="startDate" attribute-type="java.util.Date">
				<column name="START_DATE" />
				<temporal>DATE</temporal>
			</basic>
			<basic name="endDate" attribute-type="java.util.Date">
				<column name="END_DATE" />
				<temporal>DATE</temporal>
			</basic>
		</attributes>
	</embeddable>

</entity-mappings>