<?xml version="1.0" encoding="UTF-8"?>
<!-- Copyright(C) OASIS(R) 2005,2010. 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">

   <include schemaLocation="sca-core-1.1-cd06.xsd"/>

   <!-- Contribution -->
   <element name="contribution" type="sca:ContributionType"/>
   <complexType name="ContributionType">
      <complexContent>
         <extension base="sca:CommonExtensionBase">
            <sequence>
               <element name="deployable" type="sca:DeployableType" 
                        minOccurs="0" maxOccurs="unbounded"/>
               <element ref="sca:importBase" minOccurs="0" 
                        maxOccurs="unbounded"/>
               <element ref="sca:exportBase" minOccurs="0" 
                        maxOccurs="unbounded"/>
               <element ref="sca:extensions" minOccurs="0" maxOccurs="1" />
            </sequence>
         </extension>
      </complexContent>
   </complexType>

   <!-- Deployable -->
   <complexType name="DeployableType">
      <complexContent>
         <extension base="sca:CommonExtensionBase">
            <sequence>
               <any namespace="##other" processContents="lax" minOccurs="0" 
                    maxOccurs="unbounded"/>
            </sequence>
            <attribute name="composite" type="QName" use="required"/>
         </extension>
      </complexContent>
   </complexType>

   <!-- Import -->
   <element name="importBase" type="sca:Import" abstract="true" />
   <complexType name="Import" abstract="true">
      <complexContent>
         <extension base="sca:CommonExtensionBase">
            <sequence>
               <any namespace="##other" processContents="lax" minOccurs="0" 
                    maxOccurs="unbounded"/>
            </sequence>
         </extension>
      </complexContent>   
   </complexType>
   
   <element name="import" type="sca:ImportType" 
            substitutionGroup="sca:importBase"/>
   <complexType name="ImportType">
      <complexContent>
         <extension base="sca:Import">
            <attribute name="namespace" type="string" use="required"/>
            <attribute name="location" type="anyURI" use="optional"/>
         </extension>
      </complexContent>
   </complexType>

   <!-- Export -->
   <element name="exportBase" type="sca:Export" abstract="true" />
   <complexType name="Export" abstract="true">
      <complexContent>
         <extension base="sca:CommonExtensionBase">
            <sequence>
               <any namespace="##other" processContents="lax" minOccurs="0" 
                    maxOccurs="unbounded"/>
            </sequence>
         </extension>
      </complexContent>      
   </complexType>
   
   <element name="export" type="sca:ExportType" 
            substitutionGroup="sca:exportBase"/>
   <complexType name="ExportType">
      <complexContent>
         <extension base="sca:Export">
            <attribute name="namespace" type="string" use="required"/>
         </extension>
      </complexContent>
   </complexType>

</schema>
