added missing xsd

oaipmh-core/src/main/resources/oaf-datasource-1.0.xsd

+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://namespace.openaire.eu/oaf"
+	targetNamespace="http://namespace.openaire.eu/oaf" elementFormDefault="qualified">
+
+	<xs:annotation>
+		<xs:documentation>This schema describes elements and properties of OpenAIRE datasources: https://issue.openaire.research-infrastructures.eu/projects/openaire2020-wiki/wiki/Core_entity_datasource</xs:documentation>
+	</xs:annotation>
+
+	<xs:include schemaLocation="oaf-common-1.0.xsd"/>
+
+	<xs:element name="datasource">
+		<xs:complexType>
+			<xs:choice maxOccurs="unbounded">
+				<xs:element name="namespaceprefix" type="xs:string" />
+				<xs:element name="officialname" type="xs:string" />
+				<xs:element name="englishname" type="xs:string" />
+				<xs:element name="websiteurl" type="xs:string" />
+				<xs:element name="logourl" type="xs:string" />
+				<xs:element name="contactemail" type="xs:string" />
+				<xs:element name="datasourcetype" type="qualifierType">
+					<xs:annotation>
+						<xs:documentation>For allowed values check terms in:http://api.openaire.eu/vocabularies/dnet:datasource_typologies</xs:documentation>
+					</xs:annotation>
+				</xs:element>
+				<xs:element name="openairecompatibility" type="qualifierType">
+					<xs:annotation>
+						<xs:documentation>
+							Level of compatibility of this datasource with regards to the
+							guidelines.
+							<p>For allowed values check:
+								http://api.openaire.eu/vocabularies/dnet:datasourceCompatibilityLevel
+							</p>
+						</xs:documentation>
+					</xs:annotation>
+				</xs:element>
+				<xs:element name="dateofvalidation" type="xs:string">
+					<xs:annotation>
+						<xs:documentation>When this datasource has been validated by the
+							OpenAire
+							Validator.
+						</xs:documentation>
+					</xs:annotation>
+				</xs:element>
+				<xs:element name="latitude" type="xs:string"  />
+				<xs:element name="longitude" type="xs:string"  />
+				<xs:element name="description" type="xs:string" />
+				<xs:element name="subjects" type="structuredPropertyElementType">
+					<xs:annotation>
+						<xs:documentation>
+							Subjects and keywords.
+							<p>For allowed values check:
+								http://api.openaire.eu/vocabularies/dnet:result_subjects
+							</p>
+						</xs:documentation>
+					</xs:annotation>
+				</xs:element>
+				<xs:element name="originalId" type="xs:string" />
+				<xs:element name="collectedfrom" type="namedIdElementType">
+					<xs:annotation>
+						<xs:documentation>Identifier and name of the datasource from which
+							this datasource has
+							been collected from.
+						</xs:documentation>
+					</xs:annotation>
+				</xs:element>
+				<xs:element name="pid" type="structuredPropertyElementType" />
+				<xs:element name="rels" type="relsType">
+					<xs:annotation>
+						<xs:documentation>Relationships to other entities.
+						</xs:documentation>
+					</xs:annotation>
+				</xs:element>
+				
+			</xs:choice>
+		</xs:complexType>
+	</xs:element>
+</xs:schema>