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<?xml version="1.0" encoding="UTF-8"?>
<!-- Copyright(C) OASIS(R) 2005,2009. All Rights Reserved.
OASIS trademark, IPR and other policies apply. -->
<schema xmlns="http://www.w3.org/2001/XMLSchema"
xmlns:sca="http://docs.oasis-open.org/ns/opencsa/sca/200912"
targetNamespace="http://docs.oasis-open.org/ns/opencsa/sca/200912"
elementFormDefault="qualified">
<import namespace="http://www.w3.org/XML/1998/namespace"
schemaLocation="http://www.w3.org/2001/xml.xsd"/>
<!-- Common extension base for SCA definitions -->
<complexType name="CommonExtensionBase">
<sequence>
<element ref="sca:documentation" minOccurs="0"
maxOccurs="unbounded"/>
</sequence>
<anyAttribute namespace="##other" processContents="lax"/>
</complexType>
<element name="documentation" type="sca:Documentation"/>
<complexType name="Documentation" mixed="true">
<sequence>
<any namespace="##other" processContents="lax" minOccurs="0"
maxOccurs="unbounded"/>
</sequence>
<attribute ref="xml:lang"/>
</complexType>
<!-- Component Type -->
<element name="componentType" type="sca:ComponentType"/>
<complexType name="ComponentType">
<complexContent>
<extension base="sca:CommonExtensionBase">
<sequence>
<!-- Comment out the sca:implementation to workaround http://www.mail-archive.com/dev@tuscany.apache.org/msg08924.html. -->
<!--
<element ref="sca:implementation" minOccurs="0"/>
-->
<choice minOccurs="0" maxOccurs="unbounded">
<element name="service" type="sca:ComponentService"/>
<element name="reference"
type="sca:ComponentTypeReference"/>
<element name="property" type="sca:Property"/>
</choice>
<any namespace="##other" processContents="lax" minOccurs="0"
maxOccurs="unbounded"/>
</sequence>
<attribute name="constrainingType" type="QName" use="optional"/>
</extension>
</complexContent>
</complexType>
<!-- Composite -->
<element name="composite" type="sca:Composite"/>
<complexType name="Composite">
<complexContent>
<extension base="sca:CommonExtensionBase">
<sequence>
<element ref="sca:include" minOccurs="0"
maxOccurs="unbounded"/>
<choice minOccurs="0" maxOccurs="unbounded">
<element name="service" type="sca:Service"/>
<element name="property" type="sca:Property"/>
<element name="component" type="sca:Component"/>
<element name="reference" type="sca:Reference"/>
<element name="wire" type="sca:Wire"/>
</choice>
<any namespace="##other" processContents="lax" minOccurs="0"
maxOccurs="unbounded"/>
</sequence>
<attribute name="name" type="NCName" use="required"/>
<attribute name="targetNamespace" type="anyURI" use="required"/>
<attribute name="local" type="boolean" use="optional"
default="false"/>
<attribute name="autowire" type="boolean" use="optional"
default="false"/>
<attribute name="constrainingType" type="QName" use="optional"/>
<attribute name="requires" type="sca:listOfQNames"
use="optional"/>
<attribute name="policySets" type="sca:listOfQNames"
use="optional"/>
</extension>
</complexContent>
</complexType>
<!-- Contract base type for Service, Reference -->
<complexType name="Contract" abstract="true">
<complexContent>
<extension base="sca:CommonExtensionBase">
<sequence>
<element ref="sca:interface" minOccurs="0" maxOccurs="1" />
<element ref="sca:binding" minOccurs="0"
maxOccurs="unbounded" />
<element ref="sca:callback" minOccurs="0" maxOccurs="1" />
<any namespace="##other" processContents="lax" minOccurs="0"
maxOccurs="unbounded" />
</sequence>
<attribute name="name" type="NCName" use="required" />
<attribute name="requires" type="sca:listOfQNames"
use="optional" />
<attribute name="policySets" type="sca:listOfQNames"
use="optional"/>
</extension>
</complexContent>
</complexType>
<!-- Service -->
<complexType name="Service">
<complexContent>
<extension base="sca:Contract">
<attribute name="promote" type="anyURI" use="required"/>
</extension>
</complexContent>
</complexType>
<!-- Interface -->
<element name="interface" type="sca:Interface" abstract="true"/>
<complexType name="Interface" abstract="true">
<complexContent>
<extension base="sca:CommonExtensionBase">
<attribute name="remotable" type="boolean" use="optional"/>
<attribute name="requires" type="sca:listOfQNames"
use="optional"/>
<attribute name="policySets" type="sca:listOfQNames"
use="optional"/>
</extension>
</complexContent>
</complexType>
<!-- Reference -->
<complexType name="Reference">
<complexContent>
<extension base="sca:Contract">
<attribute name="autowire" type="boolean" use="optional"/>
<attribute name="target" type="sca:listOfAnyURIs"
use="optional"/>
<attribute name="wiredByImpl" type="boolean" use="optional"
default="false"/>
<attribute name="multiplicity" type="sca:Multiplicity"
use="optional" default="1..1"/>
<attribute name="promote" type="sca:listOfAnyURIs"
use="required"/>
</extension>
</complexContent>
</complexType>
<!-- Property -->
<complexType name="SCAPropertyBase" mixed="true">
<sequence>
<any namespace="##any" processContents="lax" minOccurs="0"
maxOccurs="unbounded"/>
<!-- NOT an extension point; This any exists to accept
the element-based or complex type property
i.e. no element-based extension point under "sca:property" -->
</sequence>
<!-- mixed="true" to handle simple type -->
<attribute name="requires" type="sca:listOfQNames" use="optional"/>
<attribute name="policySets" type="sca:listOfQNames" use="optional"/>
</complexType>
<complexType name="Property" mixed="true">
<complexContent mixed="true">
<extension base="sca:SCAPropertyBase">
<attribute name="name" type="NCName" use="required"/>
<attribute name="type" type="QName" use="optional"/>
<attribute name="element" type="QName" use="optional"/>
<attribute name="many" type="boolean" use="optional"
default="false"/>
<attribute name="mustSupply" type="boolean" use="optional"
default="false"/>
<anyAttribute namespace="##other" processContents="lax"/>
</extension>
<!-- extension defines the place to hold default value -->
<!-- an extension point ; attribute-based only -->
</complexContent>
</complexType>
<!-- ConstrainingProperty is equivalent to the Property type but removes
the capability to contain a value -->
<complexType name="ConstrainingProperty" mixed="true">
<complexContent mixed="true">
<restriction base="sca:Property">
<attribute name="name" type="NCName" use="required"/>
<attribute name="type" type="QName" use="optional"/>
<attribute name="element" type="QName" use="optional"/>
<attribute name="many" type="boolean" use="optional"
default="false"/>
<attribute name="mustSupply" type="boolean" use="optional"
default="false"/>
<anyAttribute namespace="##other" processContents="lax"/>
</restriction>
</complexContent>
</complexType>
<complexType name="PropertyValue" mixed="true">
<complexContent mixed="true">
<extension base="sca:SCAPropertyBase">
<attribute name="name" type="NCName" use="required"/>
<attribute name="type" type="QName" use="optional"/>
<attribute name="element" type="QName" use="optional"/>
<attribute name="many" type="boolean" use="optional"
default="false"/>
<attribute name="source" type="string" use="optional"/>
<attribute name="file" type="anyURI" use="optional"/>
<attribute name="value" type="string" use="optional"/>
<anyAttribute namespace="##other" processContents="lax"/>
</extension>
<!-- an extension point ; attribute-based only -->
</complexContent>
</complexType>
<!-- Binding -->
<element name="binding" type="sca:Binding" abstract="true"/>
<complexType name="Binding" abstract="true">
<complexContent>
<extension base="sca:CommonExtensionBase">
<sequence>
<element ref="sca:wireFormat" minOccurs="0" maxOccurs="1" />
<element ref="sca:operationSelector" minOccurs="0"
maxOccurs="1" />
</sequence>
<attribute name="uri" type="anyURI" use="optional"/>
<attribute name="name" type="NCName" use="optional"/>
<attribute name="requires" type="sca:listOfQNames"
use="optional"/>
<attribute name="policySets" type="sca:listOfQNames"
use="optional"/>
</extension>
</complexContent>
</complexType>
<!-- Binding Type -->
<element name="bindingType" type="sca:BindingType"/>
<complexType name="BindingType">
<complexContent>
<extension base="sca:CommonExtensionBase">
<sequence>
<any namespace="##other" processContents="lax" minOccurs="0"
maxOccurs="unbounded"/>
</sequence>
<attribute name="type" type="QName" use="required"/>
<attribute name="alwaysProvides" type="sca:listOfQNames"
use="optional"/>
<attribute name="mayProvide" type="sca:listOfQNames"
use="optional"/>
</extension>
</complexContent>
</complexType>
<!-- WireFormat Type -->
<element name="wireFormat" type="sca:WireFormatType" abstract="true"/>
<complexType name="WireFormatType" abstract="true">
<sequence>
<any namespace="##other" processContents="lax" minOccurs="0"
maxOccurs="unbounded" />
</sequence>
<anyAttribute namespace="##other" processContents="lax"/>
</complexType>
<!-- OperationSelector Type -->
<element name="operationSelector" type="sca:OperationSelectorType" abstract="true"/>
<complexType name="OperationSelectorType" abstract="true">
<sequence>
<any namespace="##other" processContents="lax" minOccurs="0"
maxOccurs="unbounded" />
</sequence>
<anyAttribute namespace="##other" processContents="lax"/>
</complexType>
<!-- Callback -->
<element name="callback" type="sca:Callback"/>
<complexType name="Callback">
<complexContent>
<extension base="sca:CommonExtensionBase">
<choice minOccurs="0" maxOccurs="unbounded">
<element ref="sca:binding"/>
<any namespace="##other" processContents="lax"/>
</choice>
<attribute name="requires" type="sca:listOfQNames"
use="optional"/>
<attribute name="policySets" type="sca:listOfQNames"
use="optional"/>
</extension>
</complexContent>
</complexType>
<!-- Component -->
<complexType name="Component">
<complexContent>
<extension base="sca:CommonExtensionBase">
<sequence>
<!-- Set minOccurs="1" instead of "0" to workaround http://www.mail-archive.com/dev@tuscany.apache.org/msg08924.html. -->
<element ref="sca:implementation" minOccurs="1"/>
<choice minOccurs="0" maxOccurs="unbounded">
<element name="service" type="sca:ComponentService"/>
<element name="reference" type="sca:ComponentReference"/>
<element name="property" type="sca:PropertyValue"/>
</choice>
<any namespace="##other" processContents="lax" minOccurs="0"
maxOccurs="unbounded"/>
</sequence>
<attribute name="name" type="NCName" use="required"/>
<attribute name="autowire" type="boolean" use="optional"/>
<attribute name="constrainingType" type="QName" use="optional"/>
<attribute name="requires" type="sca:listOfQNames"
use="optional"/>
<attribute name="policySets" type="sca:listOfQNames"
use="optional"/>
</extension>
</complexContent>
</complexType>
<!-- Component Service -->
<complexType name="ComponentService">
<complexContent>
<extension base="sca:Contract">
</extension>
</complexContent>
</complexType>
<!-- Constraining Service -->
<complexType name="ConstrainingService">
<complexContent>
<restriction base="sca:ComponentService">
<sequence>
<element ref="sca:interface" minOccurs="0" maxOccurs="1" />
<element ref="sca:callback" minOccurs="0" maxOccurs="1" />
<any namespace="##other" processContents="lax" minOccurs="0"
maxOccurs="unbounded" />
</sequence>
<attribute name="name" type="NCName" use="required" />
</restriction>
</complexContent>
</complexType>
<!-- Component Reference -->
<complexType name="ComponentReference">
<complexContent>
<extension base="sca:Contract">
<attribute name="autowire" type="boolean" use="optional"/>
<attribute name="target" type="sca:listOfAnyURIs"
use="optional"/>
<attribute name="wiredByImpl" type="boolean" use="optional"
default="false"/>
<attribute name="multiplicity" type="sca:Multiplicity"
use="optional" default="1..1"/>
<attribute name="nonOverridable" type="boolean" use="optional"
default="false"/>
</extension>
</complexContent>
</complexType>
<!-- Constraining Reference -->
<complexType name="ConstrainingReference">
<complexContent>
<restriction base="sca:ComponentReference">
<sequence>
<element ref="sca:interface" minOccurs="0" maxOccurs="1" />
<element ref="sca:callback" minOccurs="0" maxOccurs="1" />
<any namespace="##other" processContents="lax" minOccurs="0"
maxOccurs="unbounded" />
</sequence>
<attribute name="name" type="NCName" use="required" />
<attribute name="autowire" type="boolean" use="optional"/>
<attribute name="wiredByImpl" type="boolean" use="optional"
default="false"/>
<attribute name="multiplicity" type="sca:Multiplicity"
use="optional" default="1..1"/>
</restriction>
</complexContent>
</complexType>
<!-- Component Type Reference -->
<complexType name="ComponentTypeReference">
<complexContent>
<restriction base="sca:ComponentReference">
<sequence>
<element ref="sca:documentation" minOccurs="0"
maxOccurs="unbounded"/>
<element ref="sca:interface" minOccurs="0"/>
<element ref="sca:binding" minOccurs="0"
maxOccurs="unbounded"/>
<element ref="sca:callback" minOccurs="0"/>
<any namespace="##other" processContents="lax" minOccurs="0"
maxOccurs="unbounded"/>
</sequence>
<attribute name="name" type="NCName" use="required"/>
<attribute name="autowire" type="boolean" use="optional"/>
<attribute name="wiredByImpl" type="boolean" use="optional"
default="false"/>
<attribute name="multiplicity" type="sca:Multiplicity"
use="optional" default="1..1"/>
<attribute name="requires" type="sca:listOfQNames"
use="optional"/>
<attribute name="policySets" type="sca:listOfQNames"
use="optional"/>
<anyAttribute namespace="##other" processContents="lax"/>
</restriction>
</complexContent>
</complexType>
<!-- Implementation -->
<element name="implementation" type="sca:Implementation" abstract="true"/>
<complexType name="Implementation" abstract="true">
<complexContent>
<extension base="sca:CommonExtensionBase">
<attribute name="requires" type="sca:listOfQNames"
use="optional"/>
<attribute name="policySets" type="sca:listOfQNames"
use="optional"/>
</extension>
</complexContent>
</complexType>
<!-- Implementation Type -->
<element name="implementationType" type="sca:ImplementationType"/>
<complexType name="ImplementationType">
<complexContent>
<extension base="sca:CommonExtensionBase">
<sequence>
<any namespace="##other" processContents="lax" minOccurs="0"
maxOccurs="unbounded"/>
</sequence>
<attribute name="type" type="QName" use="required"/>
<attribute name="alwaysProvides" type="sca:listOfQNames"
use="optional"/>
<attribute name="mayProvide" type="sca:listOfQNames"
use="optional"/>
</extension>
</complexContent>
</complexType>
<!-- Wire -->
<complexType name="Wire">
<complexContent>
<extension base="sca:CommonExtensionBase">
<sequence>
<any namespace="##other" processContents="lax" minOccurs="0"
maxOccurs="unbounded"/>
</sequence>
<attribute name="source" type="anyURI" use="required"/>
<attribute name="target" type="anyURI" use="required"/>
<attribute name="replace" type="boolean" use="optional"
default="false"/>
</extension>
</complexContent>
</complexType>
<!-- Include -->
<element name="include" type="sca:Include"/>
<complexType name="Include">
<complexContent>
<extension base="sca:CommonExtensionBase">
<attribute name="name" type="QName"/>
</extension>
</complexContent>
</complexType>
<!-- Constraining Type -->
<element name="constrainingType" type="sca:ConstrainingType"/>
<complexType name="ConstrainingType">
<complexContent>
<extension base="sca:CommonExtensionBase">
<sequence>
<choice minOccurs="0" maxOccurs="unbounded">
<element name="service" type="sca:ConstrainingService"/>
<element name="reference"
type="sca:ConstrainingReference"/>
<element name="property" type="sca:ConstrainingProperty"/>
</choice>
<any namespace="##other" processContents="lax" minOccurs="0"
maxOccurs="unbounded"/>
</sequence>
<attribute name="name" type="NCName" use="required"/>
<attribute name="targetNamespace" type="anyURI"/>
</extension>
</complexContent>
</complexType>
<!-- Intents within WSDL documents -->
<attribute name="requires" type="sca:listOfQNames"/>
<!-- Global attribute definition for @callback to mark a WSDL port type
as having a callback interface defined in terms of a second port
type. -->
<attribute name="callback" type="anyURI"/>
<!-- Value type definition for property values -->
<element name="value" type="sca:ValueType"/>
<complexType name="ValueType" mixed="true">
<sequence>
<any namespace="##any" processContents="lax" minOccurs="0" maxOccurs='unbounded'/>
</sequence>
<!-- mixed="true" to handle simple type -->
<anyAttribute namespace="##any" processContents="lax"/>
</complexType>
<!-- Miscellaneous simple type definitions -->
<simpleType name="Multiplicity">
<restriction base="string">
<enumeration value="0..1"/>
<enumeration value="1..1"/>
<enumeration value="0..n"/>
<enumeration value="1..n"/>
</restriction>
</simpleType>
<simpleType name="OverrideOptions">
<restriction base="string">
<enumeration value="no"/>
<enumeration value="may"/>
<enumeration value="must"/>
</restriction>
</simpleType>
<simpleType name="listOfQNames">
<list itemType="QName"/>
</simpleType>
<simpleType name="listOfAnyURIs">
<list itemType="anyURI"/>
</simpleType>
<simpleType name="CreateResource">
<restriction base="string">
<enumeration value="always" />
<enumeration value="never" />
<enumeration value="ifnotexist" />
</restriction>
</simpleType>
</schema>
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