<?xml version="1.0" encoding="utf-8"?>
<xs:schema elementFormDefault="qualified" attributeFormDefault="unqualified" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:cg="http://schemas.microsoft.com/ado/2006/04/codegeneration" xmlns:edm="http://schemas.microsoft.com/ado/2006/04/edm" targetNamespace="http://schemas.microsoft.com/ado/2006/04/edm">
  <xs:annotation>
    <xs:documentation xml:lang="en">
            Common Data Model Schema Definition Language.
            Copyright (c) Microsoft Corp. All rights reserved.
        </xs:documentation>
  </xs:annotation>
  <xs:import namespace="http://schemas.microsoft.com/ado/2006/04/codegeneration" schemaLocation="System.Data.Resources.CodeGenerationSchema.xsd" />
  <xs:element name="Schema" type="edm:TSchema" />
  <xs:complexType name="TSchema">
    <xs:sequence>
      <xs:group ref="edm:GSchemaBodyElements" minOccurs="0" maxOccurs="unbounded" />
      <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded" />
    </xs:sequence>
    <xs:attribute name="Namespace" type="edm:TNamespaceName" use="required" />
    <xs:attribute name="Alias" type="edm:TSimpleIdentifier" use="optional" />
    <xs:anyAttribute namespace="##other" processContents="lax" />
  </xs:complexType>
  <xs:group name="GSchemaBodyElements">
    <xs:choice>
      <xs:element name="Using" type="edm:TUsing" minOccurs="0" maxOccurs="unbounded" />
      <xs:element name="Association" type="edm:TAssociation" minOccurs="0" maxOccurs="unbounded" />
      <xs:element name="ComplexType" type="edm:TComplexType" minOccurs="0" maxOccurs="unbounded" />
      <xs:element name="EntityType" type="edm:TEntityType" minOccurs="0" maxOccurs="unbounded" />
      <xs:element ref="edm:EntityContainer" minOccurs="1" maxOccurs="1" />
    </xs:choice>
  </xs:group>
  <!-- EDM SimpleType instances for use by EDM Instance documents-->
  <xs:simpleType name="EDMSimpleType">
    <xs:restriction base="xs:string">
      <xs:enumeration value="Binary" />
      <xs:enumeration value="Boolean" />
      <xs:enumeration value="Byte" />
      <xs:enumeration value="DateTime" />
      <xs:enumeration value="DateTimeOffset" />
      <xs:enumeration value="Time" />
      <xs:enumeration value="Decimal" />
      <xs:enumeration value="Double" />
      <xs:enumeration value="Single" />
      <xs:enumeration value="Guid" />
      <xs:enumeration value="Int16" />
      <xs:enumeration value="Int32" />
      <xs:enumeration value="Int64" />
      <xs:enumeration value="String" />
      <xs:enumeration value="SByte" />
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="TMax">
    <xs:restriction base="xs:string">
      <xs:enumeration value="Max" />
    </xs:restriction>
  </xs:simpleType>
  <!-- Facets for Primitive types -->
  <xs:simpleType name="TMaxLengthFacet">
    <xs:union memberTypes="edm:TMax xs:nonNegativeInteger  " />
  </xs:simpleType>
  <xs:simpleType name="TIsFixedLengthFacet">
    <xs:restriction base="xs:boolean" />
  </xs:simpleType>
  <xs:simpleType name="TPrecisionFacet">
    <xs:restriction base="xs:nonNegativeInteger" />
  </xs:simpleType>
  <xs:simpleType name="TScaleFacet">
    <xs:restriction base="xs:nonNegativeInteger" />
  </xs:simpleType>
  <xs:simpleType name="TIsUnicodeFacet">
    <xs:restriction base="xs:boolean" />
  </xs:simpleType>
  <xs:simpleType name="TCollationFacet">
    <xs:restriction base="xs:string" />
  </xs:simpleType>
  <!--
        types at all levels
    -->
  <xs:complexType name="TDocumentation">
    <xs:annotation>
      <xs:documentation>The Documentation element is used to provide documentation of comments on the contents of the XML file.  It is valid under Schema, Type, Index and Relationship elements.</xs:documentation>
    </xs:annotation>
    <xs:sequence>
      <xs:element name="Summary" type="edm:TText" minOccurs="0" maxOccurs="1" />
      <xs:element name="LongDescription" type="edm:TText" minOccurs="0" maxOccurs="1" />
    </xs:sequence>
    <xs:anyAttribute processContents="lax" namespace="##other" />
  </xs:complexType>
  <xs:complexType name="TText" mixed="true">
    <xs:sequence>
      <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded" />
    </xs:sequence>
    <xs:anyAttribute processContents="lax" namespace="##other" />
  </xs:complexType>
  <xs:complexType name="TXmlOrText" mixed="true">
    <xs:annotation>
      <xs:documentation>This type allows pretty much any content</xs:documentation>
    </xs:annotation>
    <xs:sequence>
      <xs:any namespace="##any" processContents="skip" minOccurs="0" maxOccurs="unbounded" />
    </xs:sequence>
    <xs:anyAttribute processContents="skip" namespace="##any" />
  </xs:complexType>
  <!-- 
        types of the top level elements 
    -->
  <xs:complexType name="TUsing">
    <xs:sequence>
      <xs:group ref="edm:GEmptyElementExtensibility" minOccurs="0" maxOccurs="1" />
    </xs:sequence>
    <xs:attribute name="Namespace" type="edm:TNamespaceName" use="required" />
    <xs:attribute name="Alias" type="edm:TSimpleIdentifier" use="required" />
    <xs:anyAttribute namespace="##other" processContents="lax" />
  </xs:complexType>
  <xs:complexType name="TAssociation">
    <xs:sequence>
      <xs:element name="Documentation" type="edm:TDocumentation" minOccurs="0" maxOccurs="1" />
      <xs:element name="End" type="edm:TAssociationEnd" minOccurs="2" maxOccurs="2" />
      <xs:element name="ReferentialConstraint" type="edm:TConstraint" minOccurs="0" maxOccurs="1" />
      <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded" />
    </xs:sequence>
    <xs:attribute name="Name" type="edm:TSimpleIdentifier" use="required" />
    <!--<xs:attribute name="Identifying" type="xs:boolean" use="optional" default="false" />-->
    <xs:anyAttribute namespace="##other" processContents="lax" />
  </xs:complexType>
  <xs:complexType name="TComplexType">
    <xs:sequence>
      <xs:element name="Documentation" type="edm:TDocumentation" minOccurs="0" maxOccurs="1" />
      <xs:element name="Property" type="edm:TComplexTypeProperty" minOccurs="0" maxOccurs="unbounded" />
      <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded" />
    </xs:sequence>
    <xs:attributeGroup ref="edm:TTypeAttributes" />
    <xs:attribute ref="cg:TypeAccess" use="optional" />
    <xs:anyAttribute namespace="##other" processContents="lax" />
  </xs:complexType>
  <xs:complexType name="TConstraint">
    <xs:sequence>
      <xs:element name="Documentation" type="edm:TDocumentation" minOccurs="0" maxOccurs="1" />
      <xs:element name="Principal" type="edm:TReferentialConstraintRoleElement" minOccurs="1" maxOccurs="1" />
      <xs:element name="Dependent" type="edm:TReferentialConstraintRoleElement" minOccurs="1" maxOccurs="1" />
      <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded" />
    </xs:sequence>
    <xs:anyAttribute namespace="##other" processContents="lax" />
  </xs:complexType>
  <xs:complexType name="TReferentialConstraintRoleElement">
    <xs:sequence>
      <xs:element name="PropertyRef" type="edm:TPropertyRef" minOccurs="1" maxOccurs="unbounded" />
    </xs:sequence>
    <xs:attribute name="Role" type="edm:TSimpleIdentifier" use="required" />
  </xs:complexType>
  <xs:complexType name="TNavigationProperty">
    <xs:sequence>
      <xs:group ref="edm:GEmptyElementExtensibility" minOccurs="0" maxOccurs="1" />
    </xs:sequence>
    <xs:attribute name="Name" type="edm:TSimpleIdentifier" use="required" />
    <xs:attribute name="Relationship" type="edm:TQualifiedName" use="required" />
    <xs:attribute name="ToRole" type="edm:TSimpleIdentifier" use="required" />
    <xs:attribute name="FromRole" type="edm:TSimpleIdentifier" use="required" />
    <xs:attribute ref="cg:GetterAccess" use="optional" />
    <xs:attribute ref="cg:SetterAccess" use="optional" />
    <xs:anyAttribute namespace="##other" processContents="lax" />
  </xs:complexType>
  <xs:complexType name="TEntityType">
    <xs:sequence>
      <xs:element name="Documentation" type="edm:TDocumentation" minOccurs="0" maxOccurs="1" />
      <xs:element name="Key" type="edm:TEntityKeyElement" minOccurs="0" maxOccurs="1" />
      <xs:choice minOccurs="0" maxOccurs="unbounded">
        <xs:element name="Property" type="edm:TEntityProperty" minOccurs="0" maxOccurs="unbounded" />
        <xs:element name="NavigationProperty" type="edm:TNavigationProperty" minOccurs="0" maxOccurs="unbounded" />
      </xs:choice>
      <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded" />
    </xs:sequence>
    <xs:attributeGroup ref="edm:TDerivableTypeAttributes" />
    <xs:attribute ref="cg:TypeAccess" use="optional" />
    <xs:anyAttribute namespace="##other" processContents="lax" />
  </xs:complexType>
  <xs:complexType name="TEntityKeyElement">
    <xs:sequence>
      <xs:element name="PropertyRef" type="edm:TPropertyRef" minOccurs="1" maxOccurs="unbounded" />
    </xs:sequence>
  </xs:complexType>
  <xs:complexType name="TPropertyRef">
    <xs:attribute name="Name" type="edm:TSimpleIdentifier" use="required" />
  </xs:complexType>
  <xs:group name="GEmptyElementExtensibility">
    <xs:sequence>
      <xs:element name="Documentation" type="edm:TDocumentation" minOccurs="0" maxOccurs="1" />
      <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded" />
    </xs:sequence>
  </xs:group>
  <!-- 
        base types  
    -->
  <xs:complexType name="TAssociationEnd">
    <xs:sequence>
      <xs:element name="Documentation" type="edm:TDocumentation" minOccurs="0" maxOccurs="1" />
      <xs:group ref="edm:TOperations" minOccurs="0" maxOccurs="unbounded" />
      <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded" />
    </xs:sequence>
    <xs:attribute name="Type" type="edm:TQualifiedName" use="required" />
    <xs:attribute name="Role" type="edm:TSimpleIdentifier" use="optional" />
    <xs:attribute name="Multiplicity" type="edm:TMultiplicity" use="required" />
    <xs:anyAttribute namespace="##other" processContents="lax" />
  </xs:complexType>
  <xs:group name="TOperations">
    <xs:choice>
      <xs:element name="OnDelete" type="edm:TOnAction" maxOccurs="1" minOccurs="0" />
    </xs:choice>
  </xs:group>
  <xs:complexType name="TOnAction">
    <xs:sequence>
      <xs:group ref="edm:GEmptyElementExtensibility" minOccurs="0" maxOccurs="1" />
    </xs:sequence>
    <xs:attribute name="Action" type="edm:TAction" use="required" />
    <xs:anyAttribute namespace="##other" processContents="lax" />
  </xs:complexType>
  <xs:complexType name="TEntityProperty">
    <xs:sequence>
      <xs:group ref="edm:GEmptyElementExtensibility" minOccurs="0" maxOccurs="1" />
    </xs:sequence>
    <xs:attributeGroup ref="edm:TCommonPropertyAttributes" />
    <xs:anyAttribute namespace="##other" processContents="lax" />
  </xs:complexType>
  <xs:complexType name="TComplexTypeProperty">
    <xs:sequence>
      <xs:group ref="edm:GEmptyElementExtensibility" minOccurs="0" maxOccurs="1" />
    </xs:sequence>
    <xs:attributeGroup ref="edm:TCommonPropertyAttributes" />
    <xs:anyAttribute namespace="##other" processContents="lax" />
  </xs:complexType>
  <xs:complexType name="TFunctionImportParameter">
    <xs:sequence>
      <xs:group ref="edm:GEmptyElementExtensibility" minOccurs="0" maxOccurs="1" />
    </xs:sequence>
    <xs:attributeGroup ref="edm:TFunctionImportParameterAttributes" />
    <xs:anyAttribute namespace="##other" processContents="lax" />
  </xs:complexType>
  <xs:attributeGroup name="TCommonPropertyAttributes">
    <xs:attribute name="Name" type="edm:TSimpleIdentifier" use="required" />
    <xs:attribute name="Type" type="edm:TPropertyType" use="required" />
    <xs:attribute name="Nullable" type="xs:boolean" default="true" use="optional" />
    <xs:attribute name="DefaultValue" type="xs:string" use="optional" />
    <!-- Start Facets -->
    <xs:attribute name="MaxLength" type="edm:TMaxLengthFacet" use="optional" />
    <xs:attribute name="FixedLength" type="edm:TIsFixedLengthFacet" use="optional" />
    <xs:attribute name="Precision" type="edm:TPrecisionFacet" use="optional" />
    <xs:attribute name="Scale" type="edm:TScaleFacet" use="optional" />
    <xs:attribute name="Unicode" type="edm:TIsUnicodeFacet" use="optional" />
    <xs:attribute name="Collation" type="edm:TCollationFacet" use="optional" />
    <!--End Facets -->
    <xs:attribute name="ConcurrencyMode" type="edm:TConcurrencyMode" use="optional" />
    <xs:attribute ref="cg:SetterAccess" use="optional" />
    <xs:attribute ref="cg:GetterAccess" use="optional" />
  </xs:attributeGroup>
  <xs:attributeGroup name="TFunctionImportParameterAttributes">
    <xs:attribute name="Name" type="edm:TSimpleIdentifier" use="required" />
    <xs:attribute name="Type" type="edm:TPropertyType" use="required" />
    <xs:attribute name="Mode" type="edm:TParameterMode" use="optional" />
    <xs:attribute name="MaxLength" type="edm:TMaxLengthFacet" use="optional" />
    <xs:attribute name="Precision" type="edm:TPrecisionFacet" use="optional" />
    <xs:attribute name="Scale" type="edm:TScaleFacet" use="optional" />
    <xs:anyAttribute namespace="##other" processContents="lax" />
  </xs:attributeGroup>
  <xs:attributeGroup name="TFunctionImportAttributes">
    <xs:attribute name="Name" type="edm:TSimpleIdentifier" use="required" />
    <xs:attribute name="ReturnType" type="edm:TFunctionType" use="optional" />
    <xs:attribute name="EntitySet" type="edm:TSimpleIdentifier" use="optional" />
    <xs:attribute ref="cg:MethodAccess" use="optional" />
    <xs:anyAttribute namespace="##other" processContents="lax" />
  </xs:attributeGroup>
  <xs:attributeGroup name="TTypeAttributes">
    <xs:attribute name="Name" type="edm:TSimpleIdentifier" use="required" />
    <!-- not in wave 4 -->
    <!--<xs:attribute name="FriendSchemas" type="TNameList" use="optional" />-->
    <!--<xs:attribute name="Visibility" type="TVisibility" use="optional" />-->
  </xs:attributeGroup>
  <xs:attributeGroup name="TDerivableTypeAttributes">
    <xs:attributeGroup ref="edm:TTypeAttributes" />
    <xs:attribute name="BaseType" type="edm:TQualifiedName" use="optional" />
    <xs:attribute name="Abstract" type="xs:boolean" use="optional" default="false" />
  </xs:attributeGroup>
  <xs:attributeGroup name="TEntitySetAttributes">
    <xs:attribute name="Name" type="edm:TSimpleIdentifier" use="required" />
    <xs:attribute name="EntityType" type="edm:TQualifiedName" use="required" />
    <xs:attribute ref="cg:GetterAccess" use="optional" />
  </xs:attributeGroup>
  <xs:element name="EntityContainer">
    <xs:complexType>
      <xs:sequence>
        <xs:element name="Documentation" type="edm:TDocumentation" minOccurs="0" maxOccurs="1" />
        <xs:choice minOccurs="0" maxOccurs="unbounded">
          <xs:element name="FunctionImport">
            <xs:complexType>
              <xs:sequence>
                <xs:element name="Documentation" type="edm:TDocumentation" minOccurs="0" maxOccurs="1" />
                <xs:element name="Parameter" type="edm:TFunctionImportParameter" minOccurs="0" maxOccurs="unbounded" />
              </xs:sequence>
              <xs:attributeGroup ref="edm:TFunctionImportAttributes" />
            </xs:complexType>
          </xs:element>
          <xs:element name="EntitySet">
            <xs:complexType>
              <xs:sequence>
                <xs:element name="Documentation" type="edm:TDocumentation" minOccurs="0" maxOccurs="1" />
              </xs:sequence>
              <xs:attributeGroup ref="edm:TEntitySetAttributes" />
              <xs:anyAttribute processContents="lax" namespace="##other" />
            </xs:complexType>
          </xs:element>
          <xs:element name="AssociationSet">
            <xs:complexType>
              <xs:sequence>
                <xs:element name="Documentation" type="edm:TDocumentation" minOccurs="0" maxOccurs="1" />
                <xs:element name="End" minOccurs="0" maxOccurs="2">
                  <!-- 1. The number of Ends has to match with ones defined in AssociationType 
                                         2. Value for attribute Name should match the defined ones and EntitySet should be of the 
                                            defined Entity Type in AssociationType 
                                    -->
                  <xs:complexType>
                    <xs:sequence>
                      <xs:group ref="edm:GEmptyElementExtensibility" minOccurs="0" maxOccurs="1" />
                    </xs:sequence>
                    <xs:attribute name="Role" type="edm:TSimpleIdentifier" use="optional" />
                    <xs:attribute name="EntitySet" type="edm:TSimpleIdentifier" use="required" />
                  </xs:complexType>
                </xs:element>
                <xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded" />
              </xs:sequence>
              <xs:attribute name="Name" type="edm:TSimpleIdentifier" use="required" />
              <xs:attribute name="Association" type="edm:TQualifiedName" use="required" />
              <xs:anyAttribute namespace="##other" processContents="lax" />
            </xs:complexType>
          </xs:element>
        </xs:choice>
      </xs:sequence>
      <xs:attribute name="Name" type="edm:TSimpleIdentifier" use="required" />
      <xs:attribute name="Extends" type ="edm:TSimpleIdentifier" use="optional" />
    </xs:complexType>
  </xs:element>
  <!-- 
    general  (more or less) purpose simple types 
    -->
  <xs:simpleType name="TParameterMode">
    <xs:restriction base="xs:token">
      <xs:enumeration value="In" />
      <xs:enumeration value="Out" />
      <xs:enumeration value="InOut" />
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="TNamespaceName">
    <xs:restriction base="edm:TQualifiedName">
      <xs:maxLength value="512" />
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="TQualifiedName">
    <xs:restriction base="xs:string">
      <!-- The below pattern represents the allowed identifiers in ECMA specification plus the '.' for namespace qualification  -->
      <xs:pattern value="[\p{L}\p{Nl}][\p{L}\p{Nl}\p{Nd}\p{Mn}\p{Mc}\p{Pc}\p{Cf}]{0,}(\.[\p{L}\p{Nl}][\p{L}\p{Nl}\p{Nd}\p{Mn}\p{Mc}\p{Pc}\p{Cf}]{0,}){0,}" />
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="TSimpleIdentifier">
    <xs:restriction base="xs:string">
      <xs:maxLength value="480" />
      <!-- The below pattern represents the allowed identifiers in ECMA specification -->
      <xs:pattern value="[\p{L}\p{Nl}][\p{L}\p{Nl}\p{Nd}\p{Mn}\p{Mc}\p{Pc}\p{Cf}]{0,}" />
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="TPropertyType">
    <xs:union memberTypes="edm:EDMSimpleType edm:TQualifiedName  ">
      <xs:simpleType>
        <xs:restriction base="xs:token">
          <!-- The below pattern represents the allowed identifiers in ECMA specification plus the '.' for namespace qualification  -->
          <xs:pattern value="[\p{L}\p{Nl}][\p{L}\p{Nl}\p{Nd}\p{Mn}\p{Mc}\p{Pc}\p{Cf}]{0,}(\.[\p{L}\p{Nl}][\p{L}\p{Nl}\p{Nd}\p{Mn}\p{Mc}\p{Pc}\p{Cf}]{0,}){0,}" />
        </xs:restriction>
      </xs:simpleType>
    </xs:union>
  </xs:simpleType>
  <xs:simpleType name="TFunctionType">
    <xs:union memberTypes="edm:TQualifiedName    ">
      <xs:simpleType>
        <xs:restriction base="xs:token">
          <xs:pattern value="Collection\([^ \t]{1,}(\.[^ \t]{1,}){0,}\)" />
        </xs:restriction>
      </xs:simpleType>
    </xs:union>
  </xs:simpleType>
  <xs:simpleType name="TAction">
    <xs:restriction base="xs:token">
      <xs:enumeration value="Cascade" />
      <xs:enumeration value="None" />
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="TMultiplicity">
    <xs:restriction base="xs:token">
      <xs:enumeration value="0..1" />
      <xs:enumeration value="1" />
      <xs:enumeration value="*" />
    </xs:restriction>
  </xs:simpleType>
  <xs:simpleType name="TConcurrencyMode">
    <xs:restriction base="xs:token">
      <xs:enumeration value="None" />
      <xs:enumeration value="Fixed" />
    </xs:restriction>
  </xs:simpleType>
</xs:schema>
