<?xml version="1.0"?>
<xs:schema
  xmlns:xs="http://www.w3.org/2001/XMLSchema"
  jaxb:version="1.0" xmlns:jaxb="http://java.sun.com/xml/ns/jaxb">

	<xs:group name="G1">
		<xs:annotation>
			<xs:appinfo>
				<jaxb:class name="EmploymentInfo"/>
			</xs:appinfo>
		</xs:annotation>
		<xs:sequence>
			<xs:element name="id" type="xs:int"/>
			<xs:group ref="G2"/>
		</xs:sequence>
	</xs:group>

	<xs:group name="G2">
		<xs:annotation>
			<xs:appinfo>
				<jaxb:class name="Period"/>
			</xs:appinfo>
		</xs:annotation>
		<xs:sequence>
			<xs:element name="startDate" type="xs:date"/>
			<xs:element name="endDate" type="xs:date"/>
		</xs:sequence>
	</xs:group>

	<xs:element name="employee">
		<xs:complexType>
			<xs:group ref="G1"/>
		</xs:complexType>
	</xs:element>

</xs:schema>