bpel_2_0.xsd

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<?xml version="1.0" encoding="UTF-8"?>
<!--
	Copyright (c) OASIS Open 2003-2007. All Rights Reserved.
-->
<xsd:schema targetNamespace="http://docs.oasis-open.org/wsbpel/2.0/process/executable"
			xmlns="http://docs.oasis-open.org/wsbpel/2.0/process/executable"
			xmlns:xsd="http://www.w3.org/2001/XMLSchema"
			elementFormDefault="qualified"
			blockDefault="#all">
	
	<xsd:annotation>
		<xsd:documentation>
			Schema for Executable Process for WS-BPEL 2.0
			OASIS Standard
			11th April, 2007
		</xsd:documentation>
	</xsd:annotation>
	
	<xsd:import namespace="http://www.w3.org/XML/1998/namespace" schemaLocation="http://www.w3.org/2001/xml.xsd"/>
	
	<xsd:element name="process" type="tProcess">
		<xsd:annotation>
			<xsd:documentation>
				This is the root element for a WS-BPEL 2.0 process.
			</xsd:documentation>
		</xsd:annotation>
	</xsd:element>
	<xsd:complexType name="tProcess">
		<xsd:complexContent>
			<xsd:extension base="tExtensibleElements">
				<xsd:sequence>
					<xsd:element ref="extensions" minOccurs="0"/>
					<xsd:element ref="import" minOccurs="0" maxOccurs="unbounded"/>
					<xsd:element ref="partnerLinks" minOccurs="0"/>
					<xsd:element ref="messageExchanges" minOccurs="0"/>
					<xsd:element ref="variables" minOccurs="0"/>
					<xsd:element ref="correlationSets" minOccurs="0"/>
					<xsd:element ref="faultHandlers" minOccurs="0"/>
					<xsd:element ref="eventHandlers" minOccurs="0"/>
					<xsd:group ref="activity" minOccurs="1"/>
				</xsd:sequence>
				<xsd:attribute name="name" type="xsd:NCName" use="required"/>
				<xsd:attribute name="targetNamespace" type="xsd:anyURI" use="required"/>
				<xsd:attribute name="queryLanguage" type="xsd:anyURI" default="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0"/>
				<xsd:attribute name="expressionLanguage" type="xsd:anyURI" default="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0"/>
				<xsd:attribute name="suppressJoinFailure" type="tBoolean" default="no"/>
				<xsd:attribute name="exitOnStandardFault" type="tBoolean" default="no"/>
			</xsd:extension>
		</xsd:complexContent>
	</xsd:complexType>
	
	<xsd:complexType name="tExtensibleElements">
		<xsd:annotation>
			<xsd:documentation>
				This type is extended by other component types to allow elements and attributes from
				other namespaces to be added at the modeled places.
			</xsd:documentation>
		</xsd:annotation>
		<xsd:sequence>
			<xsd:element ref="documentation" minOccurs="0" maxOccurs="unbounded"/>
			<xsd:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
		</xsd:sequence>
		<xsd:anyAttribute namespace="##other" processContents="lax"/>
	</xsd:complexType>
	
	<xsd:element name="documentation" type="tDocumentation"/>
	<xsd:complexType name="tDocumentation" mixed="true">
		<xsd:sequence>
			<xsd:any processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
		</xsd:sequence>
		<xsd:attribute name="source" type="xsd:anyURI"/>
		<xsd:attribute ref="xml:lang"/>
	</xsd:complexType>
	
	<xsd:group name="activity">
		<xsd:annotation>
			<xsd:documentation>
				All standard WS-BPEL 2.0 activities in alphabetical order. Basic activities
				and structured activities.
				Addtional constraints:
				- rethrow activity can be used ONLY within a fault handler
				  (i.e. "catch" and "catchAll" element)
				- compensate or compensateScope activity can be used ONLY
				  within a fault handler, a compensation handler or a termination handler
			</xsd:documentation>
		</xsd:annotation>
		<xsd:choice>
			<xsd:element ref="assign"/>
			<xsd:element ref="compensate"/>
			<xsd:element ref="compensateScope"/>
			<xsd:element ref="empty"/>
			<xsd:element ref="exit"/>
			<xsd:element ref="extensionActivity"/>
			<xsd:element ref="flow"/>
			<xsd:element ref="forEach"/>
			<xsd:element ref="if"/>
			<xsd:element ref="invoke"/>
			<xsd:element ref="pick"/>
			<xsd:element ref="receive"/>
			<xsd:element ref="repeatUntil"/>
			<xsd:element ref="reply"/>
			<xsd:element ref="rethrow"/>
			<xsd:element ref="scope"/>
			<xsd:element ref="sequence"/>
			<xsd:element ref="throw"/>
			<xsd:element ref="validate"/>
			<xsd:element ref="wait"/>
			<xsd:element ref="while"/>
		</xsd:choice>
	</xsd:group>
	
	<xsd:element name="extensions" type="tExtensions"/>
	<xsd:complexType name="tExtensions">
		<xsd:complexContent>
			<xsd:extension base="tExtensibleElements">
				<xsd:sequence>
					<xsd:element ref="extension" minOccurs="1" maxOccurs="unbounded"/>
				</xsd:sequence>
			</xsd:extension>
		</xsd:complexContent>
	</xsd:complexType>
	
	<xsd:element name="extension" type="tExtension"/>
	<xsd:complexType name="tExtension">
		<xsd:complexContent>
			<xsd:extension base="tExtensibleElements">
				<xsd:attribute name="namespace" type="xsd:anyURI" use="required"/>
				<xsd:attribute name="mustUnderstand" type="tBoolean" use="required"/>
			</xsd:extension>
		</xsd:complexContent>
	</xsd:complexType>
	
	<xsd:element name="import" type="tImport"/>
	<xsd:complexType name="tImport">
		<xsd:complexContent>
			<xsd:extension base="tExtensibleElements">
				<xsd:attribute name="namespace" type="xsd:anyURI" use="optional"/>
				<xsd:attribute name="location" type="xsd:anyURI" use="optional"/>
				<xsd:attribute name="importType" type="xsd:anyURI" use="required"/>
			</xsd:extension>
		</xsd:complexContent>
	</xsd:complexType>
	
	<xsd:element name="partnerLinks" type="tPartnerLinks"/>
	<xsd:complexType name="tPartnerLinks">
		<xsd:complexContent>
			<xsd:extension base="tExtensibleElements">
				<xsd:sequence>
					<xsd:element ref="partnerLink" minOccurs="1" maxOccurs="unbounded"/>
				</xsd:sequence>
			</xsd:extension>
		</xsd:complexContent>
	</xsd:complexType>
	
	<xsd:element name="partnerLink" type="tPartnerLink"/>
	<xsd:complexType name="tPartnerLink">
		<xsd:complexContent>
			<xsd:extension base="tExtensibleElements">
				<xsd:attribute name="name" type="xsd:NCName" use="required"/>
				<xsd:attribute name="partnerLinkType" type="xsd:QName" use="required"/>
				<xsd:attribute name="myRole" type="xsd:NCName"/>
				<xsd:attribute name="partnerRole" type="xsd:NCName"/>
				<xsd:attribute name="initializePartnerRole" type="tBoolean"/>
			</xsd:extension>
		</xsd:complexContent>
	</xsd:complexType>
	
	<xsd:element name="messageExchanges" type="tMessageExchanges"/>
	<xsd:complexType name="tMessageExchanges">
		<xsd:complexContent>
			<xsd:extension base="tExtensibleElements">
				<xsd:sequence>
					<xsd:element ref="messageExchange" minOccurs="1" maxOccurs="unbounded"/>
				</xsd:sequence>
			</xsd:extension>
		</xsd:complexContent>
	</xsd:complexType>
	
	<xsd:element name="messageExchange" type="tMessageExchange"/>
	<xsd:complexType name="tMessageExchange">
		<xsd:complexContent>
			<xsd:extension base="tExtensibleElements">
				<xsd:attribute name="name" type="xsd:NCName" use="required"/>
			</xsd:extension>
		</xsd:complexContent>
	</xsd:complexType>
	
	<xsd:element name="variables" type="tVariables"/>
	<xsd:complexType name="tVariables">
		<xsd:complexContent>
			<xsd:extension base="tExtensibleElements">
				<xsd:sequence>
					<xsd:element ref="variable" minOccurs="1" maxOccurs="unbounded"/>
				</xsd:sequence>
			</xsd:extension>
		</xsd:complexContent>
	</xsd:complexType>
	
	<xsd:element name="variable" type="tVariable"/>
	<xsd:complexType name="tVariable">
		<xsd:complexContent>
			<xsd:extension base="tExtensibleElements">
				<xsd:sequence>
					<xsd:element ref="from" minOccurs="0"/>
				</xsd:sequence>
				<xsd:attribute name="name" type="BPELVariableName" use="required"/>
				<xsd:attribute name="messageType" type="xsd:QName" use="optional"/>
				<xsd:attribute name="type" type="xsd:QName" use="optional"/>
				<xsd:attribute name="element" type="xsd:QName" use="optional"/>
			</xsd:extension>
		</xsd:complexContent>
	</xsd:complexType>
	
	<xsd:simpleType name="BPELVariableName">
		<xsd:restriction base="xsd:NCName">
			<xsd:pattern value="[^\.]+"/>
		</xsd:restriction>
	</xsd:simpleType>
	
	<xsd:element name="correlationSets" type="tCorrelationSets"/>
	<xsd:complexType name="tCorrelationSets">
		<xsd:complexContent>
			<xsd:extension base="tExtensibleElements">
				<xsd:sequence>
					<xsd:element ref="correlationSet" minOccurs="1" maxOccurs="unbounded"/>
				</xsd:sequence>
			</xsd:extension>
		</xsd:complexContent>
	</xsd:complexType>
	
	<xsd:element name="correlationSet" type="tCorrelationSet"/>
	<xsd:complexType name="tCorrelationSet">
		<xsd:complexContent>
			<xsd:extension base="tExtensibleElements">
				<xsd:attribute name="properties" type="QNames" use="required"/>
				<xsd:attribute name="name" type="xsd:NCName" use="required"/>
			</xsd:extension>
		</xsd:complexContent>
	</xsd:complexType>
	
	<xsd:simpleType name="QNames">
		<xsd:restriction>
			<xsd:simpleType>
				<xsd:list itemType="xsd:QName"/>
			</xsd:simpleType>
			<xsd:minLength value="1"/>
		</xsd:restriction>
	</xsd:simpleType>
	
	<xsd:element name="faultHandlers" type="tFaultHandlers"/>
	<xsd:complexType name="tFaultHandlers">
		<xsd:complexContent>
			<xsd:extension base="tExtensibleElements">
				<xsd:sequence>
					<xsd:element ref="catch" minOccurs="0" maxOccurs="unbounded"/>
					<xsd:element ref="catchAll" minOccurs="0"/>
				</xsd:sequence>
			</xsd:extension>
		</xsd:complexContent>
	</xsd:complexType>
	
	<xsd:element name="catch" type="tCatch">
		<xsd:annotation>
			<xsd:documentation>
				This element can contain all activities including the activities
				compensate, compensateScope and rethrow.
			</xsd:documentation>
		</xsd:annotation>
	</xsd:element>
	<xsd:complexType name="tCatch">
		<xsd:complexContent>
			<xsd:extension base="tActivityContainer">
				<xsd:attribute name="faultName" type="xsd:QName"/>
				<xsd:attribute name="faultVariable" type="BPELVariableName"/>
				<xsd:attribute name="faultMessageType" type="xsd:QName"/>
				<xsd:attribute name="faultElement" type="xsd:QName"/>
			</xsd:extension>
		</xsd:complexContent>
	</xsd:complexType>
	
	<xsd:element name="catchAll" type="tActivityContainer">
		<xsd:annotation>
			<xsd:documentation>
				This element can contain all activities including the activities
				compensate, compensateScope and rethrow.
			</xsd:documentation>
		</xsd:annotation>
	</xsd:element>
	
	<xsd:complexType name="tActivityContainer">
		<xsd:complexContent>
			<xsd:extension base="tExtensibleElements">
				<xsd:sequence>
					<xsd:group ref="activity" minOccurs="1"/>
				</xsd:sequence>
			</xsd:extension>
		</xsd:complexContent>
	</xsd:complexType>
	
	<xsd:element name="eventHandlers" type="tEventHandlers"/>
	<xsd:complexType name="tEventHandlers">
		<xsd:annotation>
			<xsd:documentation>
				XSD Authors: The child element onAlarm needs to be a Local Element Declaration, 
				because there is another onAlarm element defined for the pick activity.
			</xsd:documentation>
		</xsd:annotation>
		<xsd:complexContent>
			<xsd:extension base="tExtensibleElements">
				<xsd:sequence>
					<xsd:element ref="onEvent" minOccurs="0" maxOccurs="unbounded"/>
					<xsd:element name="onAlarm" type="tOnAlarmEvent" minOccurs="0" maxOccurs="unbounded"/>
				</xsd:sequence>
			</xsd:extension>
		</xsd:complexContent>
	</xsd:complexType>
	
	<xsd:element name="onEvent" type="tOnEvent"/>
	<xsd:complexType name="tOnEvent">
		<xsd:complexContent>
			<xsd:extension base="tOnMsgCommon">
				<xsd:sequence>
					<xsd:element ref="scope" minOccurs="1"/>
				</xsd:sequence>
				<xsd:attribute name="messageType" type="xsd:QName" use="optional"/>
				<xsd:attribute name="element" type="xsd:QName" use="optional"/>
			</xsd:extension>
		</xsd:complexContent>
	</xsd:complexType>
	
	<xsd:complexType name="tOnMsgCommon">
		<xsd:annotation>
			<xsd:documentation>
				XSD Authors: The child element correlations needs to be a Local Element Declaration, 
				because there is another correlations element defined for the invoke activity.
			</xsd:documentation>
		</xsd:annotation>
		<xsd:complexContent>
			<xsd:extension base="tExtensibleElements">
				<xsd:sequence>
					<xsd:element name="correlations" type="tCorrelations" minOccurs="0"/>
					<xsd:element ref="fromParts" minOccurs="0"/>
				</xsd:sequence>
				<xsd:attribute name="partnerLink" type="xsd:NCName" use="required"/>
				<xsd:attribute name="portType" type="xsd:QName" use="optional"/>
				<xsd:attribute name="operation" type="xsd:NCName" use="required"/>
				<xsd:attribute name="messageExchange" type="xsd:NCName" use="optional"/>
				<xsd:attribute name="variable" type="BPELVariableName" use="optional"/>
			</xsd:extension>
		</xsd:complexContent>
	</xsd:complexType>
	
	<xsd:complexType name="tCorrelations">
		<xsd:annotation>
			<xsd:documentation>
				XSD Authors: The child element correlation needs to be a Local Element Declaration, 
				because there is another correlation element defined for the invoke activity.