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WSCL Schema Definition

From: Web Services Conversation Language (WSCL) 1.0
URL: http://www.e-speak.hp.com/media/wscl_5_16_01.pdf
Appendix A: WSCL Schema Definition
Appendix B: Example WSCL Specification


Appendix A: WSCL Schema Definition
<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema xsd:id="WSCL" xmlns:xsd="http://www.w3.org/2000/10/XMLSchema"
xsd:targetNamespace="http://www.e-speak.net/schema/WSCL"
xsd:elementFormDefault="unqualified" xsd:attributeFormDefault="unqualified">
<xsd:element name="Conversation">
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="ConversationInteractions"/>
<xsd:element ref="ConversationTransitions"/>
</xsd:sequence>
<xsd:attribute name="name" type="xsd:string" use="required"/>
<xsd:attribute name="version" type="xsd:string" use="optional"/>
<xsd:attribute name="description" type="xsd:string" use="optional"/>
<xsd:attribute name="targetNamespace" type="xsd:uriReference" 
use="optional"/>
<xsd:attribute name="hrefSchema" type="xsd:uriReference" use="optional"/>
<xsd:attribute name="initialInteraction" type="xsd:IDREF" use="required"/>
<xsd:attribute name="finalInteraction" type="xsd:IDREF" use="required"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="ConversationInteractions">
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="Interaction" maxOccurs="unbounded"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="Interaction">
<xsd:complexType>
<xsd:choice>
<xsd:group ref="ReceiveSendDocumentGroup"/>
<xsd:group ref="SendReceiveDocumentGroup"/>
<xsd:group ref="ReceiveDocumentGroup"/>
<xsd:group ref="SendDocumentGroup"/>
<xsd:group ref="EmptyDocumentGroup"/>
</xsd:choice>
<xsd:attribute name="id" type="xsd:ID" use="required"/>
<xsd:attribute name="interactionType" use="required">
<xsd:simpleType>
<xsd:restriction base="xsd:string">
<xsd:enumeration value="SendReceive"/>
<xsd:enumeration value="ReceiveSend"/>
<xsd:enumeration value="Receive"/>
<xsd:enumeration value="Send"/>
<xsd:enumeration value="Empty"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:attribute>
</xsd:complexType>
</xsd:element>
<xsd:group name="EmptyDocumentGroup"/>
<xsd:group name="ReceiveSendDocumentGroup">
<xsd:sequence>
<xsd:element ref="InboundXMLDocument" />
<xsd:element ref="OutboundXMLDocument" maxOccurs="unbounded"/>
</xsd:sequence>
</xsd:group>
<xsd:group name="SendReceiveDocumentGroup">
<xsd:sequence>
<xsd:element ref="OutboundXMLDocument"/>
<xsd:element ref="InboundXMLDocument" maxOccurs="unbounded"/>
</xsd:sequence>
</xsd:group>
<xsd:group name="ReceiveDocumentGroup">
<xsd:sequence>
<xsd:element ref="InboundXMLDocument"/>
</xsd:sequence>
</xsd:group>
<xsd:group name="SendDocumentGroup">
<xsd:sequence>
<xsd:element ref="OutboundXMLDocument"/>
</xsd:sequence>
</xsd:group>
<xsd:element name="InboundXMLDocument" type="XMLDocumentType"/>
<xsd:element name="OutboundXMLDocument" type="XMLDocumentType"/>
<xsd:complexType name="XMLDocumentType">
<xsd:attribute name="id" type="xsd:ID" use="required"/>
<xsd:attribute name="hrefSchema" type="xsd:uriReference" use="optional"/>
</xsd:complexType>
<xsd:element name="ConversationTransitions">
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="Transition" minOccurs="0" maxOccurs="unbounded"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="Transition">
<xsd:complexType>
<xsd:sequence>
<xsd:element ref="SourceInteraction" />
<xsd:element ref="DestinationInteraction" />
<xsd:element ref="SourceInteractionCondition" minOccurs="0" />
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="SourceInteraction">
<xsd:complexType>
<xsd:attribute name="href" type="xsd:IDREF" use="required"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="DestinationInteraction">
<xsd:complexType>
<xsd:attribute name="href" type="xsd:IDREF" use="required"/>
</xsd:complexType>
</xsd:element>
<xsd:element name="SourceInteractionCondition">
<xsd:complexType>
<xsd:attribute name="href" type="xsd:IDREF" use="required"/>
</xsd:complexType>
</xsd:element>
</xsd:schema>


Appendix B: Example WSCL Specification
The following XML document is a WSCL specification for the example 
conversation shown
in Figure 2.
<?xml version="1.0" encoding="UTF-8"?>
<Conversation name="StoreFrontServiceConversation"
initialInteraction="Start" finalInteraction="End" >
<ConversationInteractions>
<Interaction interactionType="ReceiveSend" id="Login">
<InboundXMLDocument hrefSchema="http://conv123.org/LoginRQ.xsd"
id="LoginRQ"/>
<OutboundXMLDocument hrefSchema="http://conv123.org/ValidLoginRS.xsd"
id="ValidLoginRS"/>
<OutboundXMLDocument hrefSchema="http://conv123.org/InvalidLoginRS.xsd"
id="InvalidLoginRS" />
</Interaction>
<Interaction interactionType="ReceiveSend" id="Registration">
<InboundXMLDocument hrefSchema="http://conv123.org/RegistrationRQ.xsd"
id="LoginRQ"/>
<OutboundXMLDocument hrefSchema="http://conv123.org/RegistrationRS.xsd"
id="RegistrationRS"/>
</Interaction>
<Interaction interactionType="Receive" id="Logout">
<InboundXMLDocument hrefSchema="http://conv123.org/Logout.xsd"
id="LogoutMessage"/>
<OutboundXMLDocument hrefSchema="http://conv123.org/RegistrationRS.xsd"
id="RegistrationRS"/>
</Interaction>
<Interaction interactionType="ReceiveSend" id="CatalogInquiry" >
<InboundXMLDocument hrefSchema=http://conv123.org/CatalogRQ.xsd
id="CatalogRQ"/>
<OutboundXMLDocument hrefSchema="http://conv123.org/CatalogRS.xsd"
id="CatalogRS" />
</Interaction>
<Interaction interactionType="ReceiveSend" id="Quote" >
<InboundXMLDocument hrefSchema="http://conv123.org/QuoteRQ.xsd"
id="QuoteRQ" />
<OutboundXMLDocument hrefSchema="http://conv123.org/QuoteRS.xsd"
id="QuoteRS" />
</Interaction>
<Interaction interactionType="ReceiveSend" id="Purchase" />
<InboundXMLDocument hrefSchema="http://conv123.org/PurchaseOrderRQ.xsd"
id="PurchaseOrderRQ" />
<OutboundXMLDocument id="PurchaseOrderAcceptedRS"
hrefSchema="http://conv123.org/PurchaseOrderAcceptedRS.xsd" />
<OutboundXMLDocument id="InvalidPaymentRS"
hrefSchema="http://conv123.org/InvalidPaymentRS.xsd" />
<OutboundXMLDocument id="OutOfStockRS"
hrefSchema="http://conv123.org/OutOfStockRS.xsd" />
</Interaction>
<Interaction interactionType="Send" id="Shipping" >
<OutboundXMLDocument id="ShippingInformation"
hrefSchema="http://conv123.org/ShippingInformation.xsd" />
</Interaction>
<Interaction interactionType="Empty" id="Start" />
<Interaction interactionType="Empty" id="End" />
</ConversationInteractions>
<ConversationTransitions>
<Transition>
<SourceInteraction href="Start"/>
<DestinationInteraction href="Login"/>
</Transition>
<Transition>
<SourceInteraction href="Start"/>
<DestinationInteraction href="Login"/>
</Transition>
<Transition>
<SourceInteraction href="Registration"/>
<DestinationInteraction href="Registration"/>
</Transition>
<Transition>
<SourceInteraction href="Login"/>
<DestinationInteraction href="Registration"/>
<SourceInteractionCondition href="InvalidLoginRS"/>
</Transition>
<Transition>
<SourceInteraction href="Login"/>
<DestinationInteraction href="Login"/>
<SourceInteractionCondition href="InvalidLoginRS"/>
</Transition>
<Transition>
<SourceInteraction href="Login"/>
<DestinationInteraction href="CatalogInquiry"/>
<SourceInteractionCondition href="ValidLoginRS"/>
</Transition>
<Transition>
<SourceInteraction href="Login"/>
<DestinationInteraction href="Quote"/>
<SourceInteractionCondition href="ValidLoginRS"/>
</Transition>
<Transition>
<SourceInteraction href="Login"/>
<DestinationInteraction href="Purchase"/>
<SourceInteractionCondition href="ValidLoginRS"/>
</Transition>
<Transition>
<SourceInteraction href="CatalogInquiry"/>
<DestinationInteraction href="CatalogInquiry"/>
</Transition>
<Transition>
<SourceInteraction href="CatalogInquiry"/>
<DestinationInteraction href="Quote"/>
</Transition>
<Transition>
<SourceInteraction href="Quote"/>
<DestinationInteraction href="CatalogInquiry"/>
</Transition>
<Transition>
<SourceInteraction href="Quote"/>
<DestinationInteraction href="Purchase"/>
</Transition>
<Transition>
<SourceInteraction href="Purchase"/>
<DestinationInteraction href="Purchase"/>
<SourceInteractionCondition href="InvalidPaymentRS"/>
</Transition>
<Transition>
<SourceInteraction href="Purchase"/>
<DestinationInteraction href="Shipping"/>
<SourceInteractionCondition href="PurchaseAcceptedRS"/>
</Transition>
<Transition>
<SourceInteraction href="Shipping"/>
<DestinationInteraction href="End"/>
</Transition>
<Transition>
<SourceInteraction href="Purchase"/>
<DestinationInteraction href="End"/>
<SourceInteractionCondition href="InvalidPaymentRS"/>
</Transition>
<Transition>
<SourceInteraction href="Purchase"/>
<DestinationInteraction href="End"/>
<SourceInteractionCondition href="OutOfStockRS"/>
</Transition>
<Transition>
<SourceInteraction href="Quote"/>
<DestinationInteraction href="Logout"/>
</Transition>
<Transition>
<SourceInteraction href="CatalogInquiry"/>
<DestinationInteraction href="Logout"/>
</Transition>
<Transition>
<SourceInteraction href="Logout"/>
<DestinationInteraction href="End"/>
</Transition>
</ConversationTransitions>
</Conversation>

Prepared by Robin Cover for The XML Cover Pages archive. See: "Web Services Conversation Language (WSCL)."
Globe Image

Document URL: http://xml.coverpages.org/HP-WSCL-Schema.html