ipojo/handler/whiteboard/src/main/resources/whiteboard-pattern.xsd

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<xs:schema targetNamespace="org.apache.felix.ipojo.white-board-pattern"
	xmlns="org.apache.felix.ipojo.white-board-pattern"
	xmlns:xs="http://www.w3.org/2001/XMLSchema"
	elementFormDefault="qualified">
	<xs:element name="wbp" type="WBPType"></xs:element>
	<xs:complexType name="WBPType">
        <xs:annotation>
        	<xs:documentation>Description of the white-board architecture.</xs:documentation>
        </xs:annotation>
        <xs:attribute name="onArrival" type="xs:string" use="required">
        	<xs:annotation>
        		<xs:documentation>Declaring the method to invoke when a matching service arrives.</xs:documentation>
        	</xs:annotation></xs:attribute>
		<xs:attribute name="onDeparture" type="xs:string" use="required">
			<xs:annotation>
				<xs:documentation>Declaring the method to invoke when a matching service leaves.</xs:documentation>
			</xs:annotation></xs:attribute>
		<xs:attribute name="onModification" type="xs:string" use="optional">
			<xs:annotation>
				<xs:documentation>Method called when an injected service reference is modified but stills valid against the filter.</xs:documentation>
			</xs:annotation></xs:attribute>
		<xs:attribute name="filter" type="xs:string" use="required">
			<xs:annotation>
				<xs:documentation>Filter use to discover matching filter.</xs:documentation>
			</xs:annotation></xs:attribute>
	</xs:complexType>	
</xs:schema>