application/src/main/resources/META-INF/eclipselink-oxm.xml

<?xml version="1.0"?>
<xml-bindings version="2.3"
	xmlns="http://www.eclipse.org/eclipselink/xsds/persistence/oxm"
	package-name="eclipselink.example.mysports.application.model" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://www.eclipse.org/eclipselink/xsds/persistence/oxm http://www.eclipse.org/eclipselink/xsds/eclipselink_oxm_2_3.xsd">
	<java-types>
		<java-type name="Divisions" xml-accessor-type="FIELD">
			<java-attributes>
				<xml-element java-attribute="divisions" xml-path="divisions" />
			</java-attributes>
		</java-type>
		<java-type name="Division" xml-accessor-type="FIELD">
			<xml-root-element />
			<xml-virtual-access-methods />
			<java-attributes>
				<xml-attribute java-attribute="id" />
				<xml-attribute java-attribute="version" />
				<xml-attribute java-attribute="name" />
				<xml-element java-attribute="teams" xml-path="teams/team" />
				<xml-transient java-attribute="attributes" />
				<xml-transient java-attribute="defaultDivision" />
			</java-attributes>
		</java-type>
		<java-type name="Team" xml-accessor-type="FIELD">
			<xml-root-element />
			<xml-virtual-access-methods />
			<java-attributes>
				<xml-attribute java-attribute="id" />
				<xml-attribute java-attribute="version" />
				<xml-element java-attribute="name" />
				<xml-element java-attribute="players" xml-path="players/player" />
				<xml-inverse-reference java-attribute="division"
					mapped-by="teams" />
				<xml-transient java-attribute="attributes" />
			</java-attributes>
		</java-type>
		<java-type name="Player" xml-accessor-type="FIELD">
			<xml-root-element />
			<xml-virtual-access-methods />
			<java-attributes>
				<xml-attribute java-attribute="id" />
				<xml-attribute java-attribute="version" />
				<xml-attribute java-attribute="userid" />
				<xml-element java-attribute="firstName"  />
				<xml-element java-attribute="lastName" />
				<xml-element java-attribute="email" />
				<xml-inverse-reference java-attribute="team"
					mapped-by="players" />
				<xml-transient java-attribute="attributes" />
			</java-attributes>
		</java-type>
	</java-types>
</xml-bindings>