ipojo/composite/src/main/resources/composite.xsd

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<xs:schema elementFormDefault="qualified"
	targetNamespace="org.apache.felix.ipojo.composite"
	xmlns="org.apache.felix.ipojo.composite"
	xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:ipojo="org.apache.felix.ipojo">

	<xs:import namespace="org.apache.felix.ipojo" schemaLocation="http://people.apache.org/~clement/ipojo/schemas/core.xsd"></xs:import>
	<xs:complexType name="CompositeType">
		<xs:choice minOccurs="0" maxOccurs="unbounded">
			<xs:element ref="subservice" minOccurs="0"
				maxOccurs="unbounded">
			</xs:element>
			<xs:element ref="provides" minOccurs="0"
				maxOccurs="unbounded">
			</xs:element>
			<xs:element ref="instance" minOccurs="0"
				maxOccurs="unbounded">
			</xs:element>
			<xs:any namespace="##other" processContents="lax"
				minOccurs="0" maxOccurs="unbounded">
			</xs:any>
		</xs:choice>
		<xs:attribute name="name" type="xs:string" use="optional"></xs:attribute>
		<xs:attribute name="public" type="xs:boolean" use="optional"></xs:attribute>
		<xs:attribute name="architecture" type="xs:boolean"
			use="optional">
		</xs:attribute>
	</xs:complexType>

	<xs:element name="subservice" type="SubserviceType" />
	<xs:element name="provides" type="CompositeProvidesType" />
	
	<xs:complexType name="CompositeProvidesType">
		<xs:complexContent>
			<xs:extension base="ipojo:ServiceDependencyType">
				<xs:sequence>
					<xs:element name="delegation" type="DelegationType"></xs:element>
				</xs:sequence>
				<xs:attribute name="specification" type="xs:string"
					use="required">
				</xs:attribute>

				<xs:attribute name="action">
					<xs:simpleType>
						<xs:restriction base="xs:string">
							<xs:enumeration value="implement"></xs:enumeration>
							<xs:enumeration value="export"></xs:enumeration>
						</xs:restriction>
					</xs:simpleType>
				</xs:attribute>



			</xs:extension>
		</xs:complexContent>
	</xs:complexType>

	<xs:complexType name="SubserviceType">
		<xs:complexContent>
			<xs:extension base="ipojo:ServiceDependencyType">

				<xs:sequence minOccurs="0" maxOccurs="unbounded">
					<xs:element name="property" type="CompositePropertyType"></xs:element>
				</xs:sequence>
				<xs:attribute name="action" use="required">
					<xs:simpleType>
						<xs:restriction base="xs:string">
							<xs:enumeration value="import"></xs:enumeration>
							<xs:enumeration value="instantiate"></xs:enumeration>
						</xs:restriction>
					</xs:simpleType>
				</xs:attribute>

				<xs:attribute name="specification" type="xs:string"
					use="required">
				</xs:attribute>
				<xs:attribute name="context-source" type="xs:string"
					use="optional">
				</xs:attribute>
				<xs:attribute name="scope">
					<xs:simpleType>
						<xs:restriction base="xs:string">
							<xs:enumeration value="global"></xs:enumeration>
							<xs:enumeration value="composite"></xs:enumeration>
							<xs:enumeration value="composite+global"></xs:enumeration>
						</xs:restriction>
					</xs:simpleType>
				</xs:attribute>
			</xs:extension>
		</xs:complexContent>
	</xs:complexType>

	<xs:simpleType name="actionType">
		<xs:restriction base="xs:string"></xs:restriction>
	</xs:simpleType>

	<xs:complexType name="CompositePropertyType">
		<xs:sequence minOccurs="0" maxOccurs="unbounded">
			<xs:element name="property" type="CompositePropertyType" minOccurs="0" maxOccurs="unbounded"></xs:element>
		</xs:sequence>
		<xs:attribute name="name" type="xs:string" use="required"></xs:attribute>
		<xs:attribute name="value" type="xs:string" use="optional"></xs:attribute>
	</xs:complexType>

	<xs:complexType name="CompositeInstanceType">
		<xs:sequence minOccurs="0" maxOccurs="unbounded">
			<xs:element name="property" type="CompositePropertyType"></xs:element>
		</xs:sequence>
		<xs:attribute name="name" type="xs:string" use="optional"></xs:attribute>
		<xs:attribute name="component" type="xs:string"
			use="required">
		</xs:attribute>
	</xs:complexType>

    <xs:element name="instance" type="CompositeInstanceType"></xs:element>

    <xs:element name="composite" type="CompositeType"></xs:element>

    <xs:complexType name="DelegationType">
    	<xs:attribute name="method" type="xs:string" use="required"></xs:attribute>
    	<xs:attribute name="policy" use="required">
    		<xs:simpleType>
    			<xs:restriction base="xs:string">
    				<xs:enumeration value="all"></xs:enumeration>
    				<xs:enumeration value="one"></xs:enumeration>
    			</xs:restriction>
    		</xs:simpleType>
    	</xs:attribute>
    </xs:complexType>
</xs:schema>