<!--
#############################################################################
#  File name   : COTS-XMLSchema.xsd                                         #
#  Document    : The COTS Component specification template                  #
#  Authors     : Luis Iribarne and Antonio Vallecillo                       #
#  Institution : University of Almeria and University of Malaga (Spain)     #
#  Modified    : July, 2001                                                 # 
#############################################################################
-->

<!-- ******************************************************************** -->
<!--                          XML Schema namespace                        -->      
<!-- ******************************************************************** -->

<xsd:schema  targetNamespace="http://www.cotstrader.com"
             xmlns:xsd="http://www.w3.org/2000/10/XMLSchema">

<!-- ******************************************************************** -->
<!--                               Annotations                            -->
<!-- ******************************************************************** -->

<xsd:annotation>
 <xsd:documentation>
   An W3C XMLSchema template for COTS components
   Please report errors to <liribarne@ual.es>
 </xsd:documentation>
</xsd:annotation>

<!-- ******************************************************************** -->
<!--                           Global complex types                       -->
<!-- ******************************************************************** -->

<xsd:complexType name="locationType">
 <xsd:attribute name="notation" type="xsd:string" minOccurs="0"/>
 <xsd:choice>
  <xsd:attribute name="href" type="xsd:uriReference"/>
  <xsd:simpleContent>
   <xsd:extension base="xsd:string"/>
  </xsd:simpleContent>
 </xsd:choice>
</xsd:complexType>

<xsd:complexType name="referenceType">
 <xsd:attribute name="href" type="xsd:uriReference" minOccurs="0"/>
</xsd:complexType>

<!-- ******************************************************************** -->
<!--                          COTS Component elements                     -->
<!-- ******************************************************************** -->

<!-- Exporting: Component description -->
 <xsd:element name="COTScomponent" type="exportingType"/>

<!-- Importing: Component query -->
 <xsd:element name="COTSquery" type="importingType"/>
 
<!-- #################################################################### -->
<!--                           Exporting description                      -->
<!-- #################################################################### -->

<xsd:complexType name="exportingType">
 <xsd:attribute name="name" type="xsd:string"/>
 <xsd:sequence>
  <xsd:element name="functional" type="functionalType"/>
  <xsd:element name="properties" type="propertiesType" minOccurs="0"/>
  <xsd:element name="packaging" type="packagingType" minOccurs="0"/>
  <xsd:element name="marketing" type="marketingType" minOccurs="0"/>
 </xsd:sequence>
</xsd:complexType>

<!-- ********************* Functional description *********************** -->      

<xsd:complexType name="functionalType">
 <xsd:sequence>
  <xsd:element name="providedInterfaces" type="InterfaceList"/>
  <xsd:element name="requiredInterfaces" type="InterfaceList" minOccurs="0"/>
  <xsd:element name="serviceAccessProtocol" type="behaviorType" minOccurs="0"/>
 </xsd:sequence>
</xsd:complexType>

<xsd:complexType name="InterfaceList">
 <xsd:sequence>
  <xsd:element name="interface" type="InterfaceType" maxOccurs="unbounded"/>
 </xsd:sequence>
</xsd:complexType>

<xsd:complexType name="InterfaceType">
 <xsd:attribute name="name" type="xsd:string"/>
 <xsd:sequence>
  <xsd:element name="description" type="locationType"/>
  <xsd:element name="behavior" type="behaviorType"/>
 </xsd:sequence>
</xsd:complexType>

<xsd:complexType name="behaviorType">
 <xsd:attribute name="notation" type="xsd:string" minOccurs="0"/>
 <xsd:sequence>
  <xsd:element name="description" type="locationType"/>
  <xsd:element name="exactmatching" type="referenceType"/>
  <xsd:element name="softmatching" type="referenceType"/>
 </xsd:sequence>   
</xsd:complexType>

<xsd:complexType name="serviceAccessProtocolType">
 <xsd:sequence>
  <xsd:element name="description" type="locationType"/>
  <xsd:element name="exactmatching" type="referenceType"/>
  <xsd:element name="softmatching" type="referenceType"/>
 </xsd:sequence>   
</xsd:complexType>

<!-- ********************** Non Functional description ****************** -->

<xsd:complexType name="propertiesType">
 <xsd:attribute name="notation" type="xsd:string"/>
 <xsd:choice>
  <xsd:attribute name="href" type="xsd:uriReference"/>
  <xsd:element name="property" type="propertyType" maxOccurs="unbounded"/>
 </xsd:choice>
</xsd:complexType>

<xsd:complexType name="propertyType">
 <xsd:attribute name="name" type="xsd:string"/>
 <xsd:attribute name="composition" minOccurs="0">
  <xsd:simpleType>
   <xsd:restriction base="xsd:string">
    <xsd:enumeration value="OR"/>
    <xsd:enumeration value="AND"/>
   </xsd:restriction>
  </xsd:simpleType>
 </xsd:attribute> 
 <xsd:attribute name="priority" minOccurs="0">
  <xsd:simpleType>
   <xsd:restriction base="xsd:positiveInterger">
    <xsd:minInclusive value="0"/>
    <xsd:maxInclusive value="9"/>
   </xsd:restriction>
  </xsd:simpleType>
 </xsd:attribute> 
 <xsd:sequence>
  <xsd:element name="type" type="xsd:datatype"/>
  <xsd:element name="value" type="valueType" minOccurs="0"/>
  <xsd:element name="implementedBy" type="xsd:string" minOccurs="0"/>
 </xsd:sequence>  
</xsd:complexType>

<xsd:complexType name="valueType">
 <xsd:choice>
  <xsd:attribute name="href" type="xsd:uriReference"/>
  <xsd:simpleContent>
   <xsd:extension base="xsd:string"/>
  </xsd:simpleContent>
 </xsd:choice>
</xsd:complexType>

<!-- ****************** Packaging/Architectural description ************* -->

<xsd:complexType name="packagingType">
 <xsd:element name="description" type="locationType"/>
</xsd:complexType>

<!-- ************************ Marketing description ********************* -->

<xsd:complexType name="marketingType">
 <xsd:sequence>
  <xsd:element name="license" type="locationType"/>
  <xsd:element name="expirydate" type="xsd:string"/>
  <xsd:element name="certificate" type="locationType"/>
  <xsd:element name="vendor" type="vendorType"/>
  <xsd:element name="description" type="xsd:string"/>
 </xsd:sequence>
</xsd:complexType>

<xsd:complexType name="vendorType">
 <xsd:sequence>
  <xsd:element name="companyname" type="xsd:string"/>
  <xsd:element name="webpage" type="xsd:uriReference" maxOccurs="unbounded"/>
  <xsd:element name="mailto" type="xsd:string" maxOccurs="unbounded"/>
  <xsd:element name="address" type="addressType" maxOccurs="unbounded"/>
 </xsd:sequence>
</xsd:complexType>

<xsd:complexType name="addressType">
 <xsd:sequence>
  <xsd:element name="street" type="xsd:string"/>
  <xsd:element name="zip" type="xsd:int" minOccurs="0"/>
  <xsd:element name="city" type="xsd:string"/>
  <xsd:element name="country" type="xsd:string"/>
 </xsd:sequence>
</xsd:complexType>

<!-- #################################################################### -->
<!--                           Importing description                      -->
<!-- #################################################################### -->

<xsd:complexType name="importingType">
 <xsd:attribute name="name" type="xsd:string"/>
 <xsd:sequence>
  <xsd:element name="COTSdescription" type="COTSdescriptionType"/>
  <xsd:element name="functionalMatching" type="functionalMatchingType"/>
  <xsd:element name="propertyMatching" type="propertyMatchingType"/>
  <xsd:element name="packagingMatching" type="locationType"/>
  <xsd:element name="marketingMatching" type="locationType"/>
 </xsd:sequence>  
</xsd:complexType>

<xsd:complexType name="COTSdescriptionType">
 <xsd:choice>
  <xsd:attribute name="href" type="xsd:uriReference" minOccurs="0"/>  
  <xsd:element ref="COTScomponent"/>   
 </xsd:choice>
</xsd:complexType>

<xsd:complexType name="functionalMatchingType">
 <xsd:sequence>
  <xsd:element name="interfaceMatching" type="matchingType"/>
  <xsd:element name="serviceAccessProtocolMatching" type="matchingType"/>
 </xsd:sequence>
</xsd:complexType>

<xsd:complexType name="matchingType">
 <xsd:sequence>
  <xsd:element name="exactMatching" type="referenceType" minoccurs="0"/>
  <xsd:element name="softMatching"  type="referenceType" minoccurs="0"/>
 </xsd:sequence>
</xsd:complexType>

<xsd:complexType name="propertyMatchingType">
 <xsd:sequence> 
  <xsd:element name="constraints" type="locationType"/>
  <xsd:element name="preferences" type="locationType"/> 
 </xsd:sequence>   
</xsd:complexType>

</xsd:schema>

<!-- (c) July 2001, cotstrader.com -->