modules/assembly-xsd/src/main/resources/sca-core.xsd

<?xml version="1.0" encoding="UTF-8"?>
<!-- (c) Copyright SCA Collaboration 2006, 2007 -->
<schema xmlns="http://www.w3.org/2001/XMLSchema" 
        targetNamespace="http://www.osoa.org/xmlns/sca/1.0" 
        xmlns:sca="http://www.osoa.org/xmlns/sca/1.0"
        elementFormDefault="qualified">

    <element name="componentType" type="sca:ComponentType"/>
    <complexType name="ComponentType">
    	<sequence>
             <choice minOccurs="0" maxOccurs="1">
	             <element ref="sca:implementation"/>
	             <any namespace="##other" processContents="lax"/>
             </choice>
        	<choice minOccurs="0" maxOccurs="unbounded">
            	<element name="service" type="sca:ComponentService" />
            	<element name="reference" type="sca:ComponentReference"/>
            	<element name="property" type="sca:Property"/>
        	</choice>
        	<!-- 
        	<any namespace="##other" processContents="lax" minOccurs="0" 
        		maxOccurs="unbounded"/>  
        	-->
        </sequence>
        <attribute name="constrainingType" type="QName" use="optional"/>
        <anyAttribute namespace="##any" processContents="lax"/>
    </complexType>

    <element name="composite" type="sca:Composite"/>
    <complexType name="Composite">
         <sequence>
             <choice minOccurs="0" maxOccurs="unbounded">
	             <element name="include" type="sca:Include"/>
                 <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"/>
                 <!-- <any namespace="##other" processContents="lax"  minOccurs="0" maxOccurs="unbounded"/>  -->  
             </choice>
             <any namespace="##other" processContents="lax" minOccurs="0" 
             	maxOccurs="unbounded"/>
        </sequence>
        <attribute name="name" type="NCName" use="required"/>
        <attribute name="targetNamespace" type="anyURI" use="optional"/>
        <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"/>
        <anyAttribute namespace="##any" processContents="lax"/>
    </complexType>
    
    <complexType name="Service">
    	<sequence>
    		<element ref="sca:interface" minOccurs="0" maxOccurs="1" />
    		<element name="operation" type="sca:Operation" minOccurs="0" 
    			maxOccurs="unbounded" />
    		<choice minOccurs="0" maxOccurs="unbounded">
    			<element ref="sca:binding" />
    			<any namespace="##other" processContents="lax"/>
    		</choice>
    		<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="promote" type="anyURI" use="required" />
    	<attribute name="requires" type="sca:listOfQNames" use="optional" />
    	<attribute name="policySets" type="sca:listOfQNames" use="optional"/>
    	<anyAttribute namespace="##any" processContents="lax" />
    </complexType>

    <element name="interface" type="sca:Interface" abstract="true" />
    <complexType name="Interface" abstract="true"/>

    <complexType name="Reference">
    	<sequence>
    		<element ref="sca:interface" minOccurs="0" maxOccurs="1" />
    		<element name="operation" type="sca:Operation" minOccurs="0" 
    			maxOccurs="unbounded" />
    		<choice minOccurs="0" maxOccurs="unbounded">
    			<element ref="sca:binding" />
    			<any namespace="##other" processContents="lax" />
    		</choice>
    		<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="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" />
    	<attribute name="requires" type="sca:listOfQNames" use="optional" />
    	<attribute name="policySets" type="sca:listOfQNames" use="optional"/>
    	<anyAttribute namespace="##any" processContents="lax" />
    </complexType>

    <complexType name="SCAPropertyBase" mixed="true">
    	<!-- mixed="true" to handle simple type -->
    	<sequence>
    		<any namespace="##any" processContents="lax" minOccurs="0"
    			maxOccurs="1" />
    		<!-- NOT an extension point; This xsd:any exists to accept
    			 the element-based or complex type property
    			 i.e. no element-based extension point under "sca:property" -->
    	</sequence>
    </complexType>

    <!-- complex type for sca:property declaration --> 
    <complexType name="Property" mixed="true">
       <complexContent>
	       <extension base="sca:SCAPropertyBase">  
	          <!-- extension defines the place to hold default value --> 
	          <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" default="false" 
	          	use="optional"/>
	          <attribute name="mustSupply" type="boolean" default="false" 
	          	use="optional"/>
	          <anyAttribute namespace="##any" processContents="lax"/>
	          <!-- an extension point ; attribute-based only --> 
	       </extension>
       </complexContent> 
    </complexType>
    
    <complexType name="PropertyValue" mixed="true">
       <complexContent>
          <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" default="false" 
	         	use="optional"/>            
             <attribute name="source" type="string" use="optional"/>
             <attribute name="file" type="anyURI" use="optional"/> 
             <anyAttribute namespace="##any" processContents="lax"/>
             <!-- an extension point ; attribute-based only --> 
          </extension> 
       </complexContent> 
    </complexType>

    <element name="binding" type="sca:Binding" abstract="true"/>
    <complexType name="Binding" abstract="true">
    	<sequence>      
    		<element name="operation" type="sca:Operation" minOccurs="0" 
    			maxOccurs="unbounded" />
    	</sequence>
        <attribute name="uri" type="anyURI" use="optional"/>
        <attribute name="name" type="QName" use="optional"/>
        <attribute name="requires" type="sca:listOfQNames" use="optional"/>
        <attribute name="policySets" type="sca:listOfQNames" use="optional"/>
    </complexType>   
    
    <element name="bindingType" type="sca:BindingType"/>
    <complexType name="BindingType">
    	<sequence minOccurs="0" maxOccurs="unbounded">
    		<any namespace="##other" processContents="lax" />
    	</sequence>
    	<attribute name="type" type="QName" use="required"/>
    	<attribute name="alwaysProvides" type="sca:listOfQNames" use="optional"/>
    	<attribute name="mayProvide" type="sca:listOfQNames" use="optional"/>
    	<anyAttribute namespace="##any" processContents="lax"/>
    </complexType>
    
    <element name="callback" type="sca:Callback"/>
    <complexType name="Callback">
    	<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"/>
        <anyAttribute namespace="##any" processContents="lax"/>
    </complexType>  
      
    <complexType name="Component">
        <sequence>
             <choice minOccurs="0" maxOccurs="1">
	             <element ref="sca:implementation"/>
	             <any namespace="##other" processContents="lax"/>
             </choice>
             <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" 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"/>
        <anyAttribute namespace="##any" processContents="lax"/>
    </complexType>

    <complexType name="ComponentService">
        <sequence>
        	 <element ref="sca:interface" minOccurs="0" maxOccurs="1"/>
        	 <element name="operation" type="sca:Operation" minOccurs="0" 
  					maxOccurs="unbounded" />
    		<choice minOccurs="0" maxOccurs="unbounded">
    			<element ref="sca:binding" />
    			<any namespace="##other" processContents="lax"/>
    		</choice>
             <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"/>
        <anyAttribute namespace="##any" processContents="lax"/>
    </complexType>

    <complexType name="ComponentReference">
		<sequence>
			<element ref="sca:interface" minOccurs="0" maxOccurs="1" />
			<element name="operation" type="sca:Operation" minOccurs="0" 
				maxOccurs="unbounded" />
			<choice minOccurs="0" maxOccurs="unbounded">
				<element ref="sca:binding" />
				<any namespace="##other" processContents="lax" />
			</choice>
			<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="target" type="sca:listOfAnyURIs" use="optional"/>
		<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="##any" processContents="lax" />
    </complexType>

    <element name="implementation" type="sca:Implementation"
    	abstract="true" />
    <complexType name="Implementation" abstract="true">
    	<attribute name="requires" type="sca:listOfQNames" use="optional"/>
    	<attribute name="policySets" type="sca:listOfQNames" use="optional"/>
    </complexType>

    <element name="implementationType" type="sca:ImplementationType"/>
    <complexType name="ImplementationType">
    	<sequence minOccurs="0" maxOccurs="unbounded">
    		<any namespace="##other" processContents="lax" />
    	</sequence>
    	<attribute name="type" type="QName" use="required"/>
    	<attribute name="alwaysProvides" type="sca:listOfQNames" use="optional"/>
    	<attribute name="mayProvide" type="sca:listOfQNames" use="optional"/>
    	<anyAttribute namespace="##any" processContents="lax"/>
    </complexType>
    
    <complexType name="Wire">
        <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"/>
        <anyAttribute namespace="##any" processContents="lax"/>     
    </complexType>
    
    <element name="include" type="sca:Include"/>
    <complexType name="Include">
		<attribute name="name" type="QName"/>
		<anyAttribute namespace="##any" processContents="lax"/>   
	</complexType>
    
    <complexType name="Operation">
    	<attribute name="name" type="NCName" use="required"/>
    	<attribute name="requires" type="sca:listOfQNames" use="optional"/>
    	<attribute name="policySets" type="sca:listOfQNames" use="optional"/>
    	<anyAttribute namespace="##any" processContents="lax"/>  	
    </complexType>
    
    <element name="constrainingType" type="sca:ConstrainingType"/>
    <complexType name="ConstrainingType">
        <sequence>
        	<choice minOccurs="0" maxOccurs="unbounded">
                <element name="service" type="sca:ComponentService"/>
                <element name="reference" type="sca:ComponentReference"/>
                <element name="property" type="sca:Property" />
            </choice>
            <any namespace="##other" processContents="lax" minOccurs="0"
            	maxOccurs="unbounded"/>
        </sequence>
        <attribute name="name" type="NCName" use="required"/>
        <attribute name="targetNamespace" type="anyURI"/>
        <attribute name="requires" type="sca:listOfQNames" use="optional"/>
        <anyAttribute namespace="##any" processContents="lax"/>
    </complexType>
    

    <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>
    
    <!-- Global attribute definition for @requires to permit use of intents
         within WSDL documents -->
    <attribute name="requires" type="sca:listOfQNames"/>
    
    <!-- Global attribute defintion for @endsConversation to mark operations 
         as ending a conversation -->
    <attribute name="endsConversation" type="boolean" default="false"/>
    
    <simpleType name="listOfQNames">
    	<list itemType="QName"/>
    </simpleType>
    
    <simpleType name="listOfAnyURIs">
        <list itemType="anyURI"/>
    </simpleType>

</schema>