<?xml version="1.0" encoding="utf-8"?>
<xs:schema xmlns="http://escidoc.mpg.de/metadataprofile/schema/0.1/virrelement" xmlns:mods=""http://www.loc.gov/mods/v3" xmlns:xs="http://www.w3.org/2001/XMLSchema" targetNamespace="http://escidoc.mpg.de/metadataprofile/schema/0.1/virrelement" elementFormDefault="qualified" attributeFormDefault="unqualified">
	<xs:annotation>
		<xs:documentation xml:lang="en">

    eSciDoc metadata profile virr, volume

    </xs:documentation>
	</xs:annotation>
	<xs:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="../../metadata/0.1/xml.xsd"/>		
	<xs:import namespace="http://www.loc.gov/mods/v3" schemaLocation="http://www.loc.gov/standards/mods/v3/mods-3-3.xsd"/>
	<xs:element name="virrelement" type="VirrelementType"/>
	<!-- A Virrelement is one of the following types -->
	<!--*******************************
    VolumeType
    ********************************
    * genre
    * titleInfo
    * name
    * originInfo
    * note
    * subject
    * recordInfo
    * identifier
    * relatedItem
    * part
    
  *******************************
    MultivolumeType
    ********************************
    * genre
    * titleInfo
    * name
    * originInfo
    * note
    * subject
    * recordInfo
    * identifier
    
   *******************************
    PageType
    ********************************
    * identifier
    * relatedItem
    * part
    
    *******************************
    StructuralElementType
    ********************************
    * genre
    * titleInfo
    * numeration
    * name
    * originInfo
    * subject
    * relatedItem
    * part
    
  *******************************
    VirrelementType
    ********************************-->
	<xs:complexType name="VirrelementType">
		<xs:sequence>
			<xs:element ref="mods:mods"/>			
		</xs:sequence>
		<xs:attribute ref="xml:lang" use="optional"/>
		<xs:attribute name="type" type="VirrelementTypeEnum" use="required"/>
	</xs:complexType>
	<!-- ************************************
		ViRR ENUM TYPES
	****************************************-->
	
	<xs:simpleType name="VirrelementTypeEnum">
		<xs:annotation>
			<xs:documentation>Possible item types for virr element</xs:documentation>
		</xs:annotation>
		<xs:restriction base="xs:string">
			<xs:enumeration value="volume"/>
			<xs:enumeration value="multivolume"/>
			<xs:enumeration value="page"/>
			<xs:enumeration value="stuctural-element"/>
		</xs:restriction>
	</xs:simpleType>
	
</xs:schema>