doctrine-mongo-mapping.xsd

<?xml version="1.0" encoding="UTF-8"?>

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
    targetNamespace="http://doctrine-project.org/schemas/odm/doctrine-mongo-mapping"
    xmlns:odm="http://doctrine-project.org/schemas/odm/doctrine-mongo-mapping"
    elementFormDefault="qualified">

  <xs:annotation>
    <xs:documentation><![CDATA[
       This is the XML Schema for the object/document
       mapping file used by the Doctrine ODM.
     ]]></xs:documentation>
  </xs:annotation>

  <xs:element name="doctrine-mongo-mapping">
    <xs:complexType>
      <xs:choice minOccurs="0" maxOccurs="unbounded">
        <xs:element name="document" type="odm:document" minOccurs="0" maxOccurs="unbounded" />
        <xs:element name="embedded-document" type="odm:document" minOccurs="0" maxOccurs="unbounded" />
        <xs:element name="mapped-superclass" type="odm:document" minOccurs="0" maxOccurs="unbounded" />
        <xs:element name="query-result-document" type="odm:document" minOccurs="0" maxOccurs="unbounded" />
        <xs:element name="view" type="odm:view" minOccurs="0" maxOccurs="unbounded" />
        <xs:element name="gridfs-file" type="odm:gridfs-file" minOccurs="0" maxOccurs="unbounded" />
      </xs:choice>
    </xs:complexType>
  </xs:element>

  <xs:complexType name="embedded-document">
    <xs:attribute name="name" type="xs:NMTOKEN" />
  </xs:complexType>

  <xs:complexType name="mapped-superclass">
    <xs:attribute name="name" type="xs:NMTOKEN" />
  </xs:complexType>

  <xs:complexType name="query-result-document">
    <xs:attribute name="name" type="xs:NMTOKEN" />
  </xs:complexType>

  <xs:complexType name="view">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="id" type="odm:id" minOccurs="0" />
      <xs:element name="field" type="odm:field" minOccurs="0" maxOccurs="unbounded" />
      <xs:element name="embed-one" type="odm:embed-one" minOccurs="0" maxOccurs="unbounded" />
      <xs:element name="embed-many" type="odm:embed-many" minOccurs="0" maxOccurs="unbounded" />
      <xs:element name="reference-one" type="odm:reference-one" minOccurs="0" maxOccurs="unbounded" />
      <xs:element name="reference-many" type="odm:reference-many" minOccurs="0" maxOccurs="unbounded" />
      <xs:element name="discriminator-field" type="odm:discriminator-field" minOccurs="0" />
      <xs:element name="discriminator-map" type="odm:discriminator-map" minOccurs="0" />
      <xs:element name="default-discriminator-value" type="odm:default-discriminator-value" minOccurs="0" />
      <xs:element name="lifecycle-callbacks" type="odm:lifecycle-callbacks" minOccurs="0" />
      <xs:element name="also-load-methods" type="odm:also-load-methods" minOccurs="0" />
    </xs:choice>

    <xs:attribute name="db" type="xs:NMTOKEN" />
    <xs:attribute name="name" type="xs:string" />
    <xs:attribute name="view" type="xs:NMTOKEN" />
    <xs:attribute name="root-class" type="xs:string" />
    <xs:attribute name="repository-class" type="xs:string" />
    <xs:attribute name="inheritance-type" type="odm:inheritance-type" />
  </xs:complexType>

  <xs:complexType name="gridfs-file">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="id" type="odm:id" minOccurs="0" />

      <xs:element name="length" type="odm:gridfs-length-field" minOccurs="0" />
      <xs:element name="chunk-size" type="odm:gridfs-chunk-size-field" minOccurs="0" />
      <xs:element name="upload-date" type="odm:gridfs-upload-date-field" minOccurs="0" />
      <xs:element name="filename" type="odm:gridfs-filename-field" minOccurs="0" />
      <xs:element name="metadata" type="odm:gridfs-metadata-field" minOccurs="0" />

      <xs:element name="lifecycle-callbacks" type="odm:lifecycle-callbacks" minOccurs="0" />
      <xs:element name="indexes" type="odm:indexes" minOccurs="0" />
      <xs:element name="shard-key" type="odm:shard-key" minOccurs="0" />
      <xs:element name="read-preference" type="odm:read-preference" minOccurs="0" />
    </xs:choice>

    <xs:attribute name="name" type="xs:string" />
    <xs:attribute name="db" type="xs:NMTOKEN" />
    <xs:attribute name="bucket-name" type="xs:NMTOKEN" default="fs" />
    <xs:attribute name="repository-class" type="xs:string" />
    <xs:attribute name="write-concern" type="xs:string" />
    <xs:attribute name="inheritance-type" type="odm:inheritance-type" />
    <xs:attribute name="change-tracking-policy" type="odm:change-tracking-policy" />
    <xs:attribute name="chunk-size-bytes" type="xs:positiveInteger" />
  </xs:complexType>

  <xs:complexType name="document">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="id" type="odm:id" minOccurs="0" />
      <xs:element name="field" type="odm:field" minOccurs="0" maxOccurs="unbounded" />
      <xs:element name="embed-one" type="odm:embed-one" minOccurs="0" maxOccurs="unbounded" />
      <xs:element name="embed-many" type="odm:embed-many" minOccurs="0" maxOccurs="unbounded" />
      <xs:element name="reference-one" type="odm:reference-one" minOccurs="0" maxOccurs="unbounded" />
      <xs:element name="reference-many" type="odm:reference-many" minOccurs="0" maxOccurs="unbounded" />
      <xs:element name="discriminator-field" type="odm:discriminator-field" minOccurs="0" />
      <xs:element name="discriminator-map" type="odm:discriminator-map" minOccurs="0" />
      <xs:element name="default-discriminator-value" type="odm:default-discriminator-value" minOccurs="0" />
      <xs:element name="lifecycle-callbacks" type="odm:lifecycle-callbacks" minOccurs="0" />
      <xs:element name="also-load-methods" type="odm:also-load-methods" minOccurs="0" />
      <xs:element name="indexes" type="odm:indexes" minOccurs="0" />
      <xs:element name="shard-key" type="odm:shard-key" minOccurs="0" />
      <xs:element name="read-preference" type="odm:read-preference" minOccurs="0" />
      <xs:element name="schema-validation" type="odm:schema-validation" minOccurs="0" />
    </xs:choice>

    <xs:attribute name="db" type="xs:NMTOKEN" />
    <xs:attribute name="name" type="xs:string" />
    <xs:attribute name="write-concern" type="xs:string" />
    <xs:attribute name="collection" type="xs:NMTOKEN" />
    <xs:attribute name="capped-collection" type="xs:boolean" />
    <xs:attribute name="capped-collection-size" type="xs:integer" />
    <xs:attribute name="capped-collection-max" type="xs:integer" />
    <xs:attribute name="repository-class" type="xs:string" />
    <xs:attribute name="inheritance-type" type="odm:inheritance-type" />
    <xs:attribute name="change-tracking-policy" type="odm:change-tracking-policy" />
    <xs:attribute name="read-only" type="xs:boolean" />
  </xs:complexType>

  <xs:complexType name="read-preference">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="tag-set" type="odm:read-preference-tag-set" minOccurs="0" maxOccurs="unbounded" />
    </xs:choice>

    <xs:attribute name="mode" type="odm:read-preference-values" />
  </xs:complexType>

  <xs:complexType name="field">
    <xs:attribute name="name" type="xs:NMTOKEN" />
    <xs:attribute name="type" type="xs:NMTOKEN" />
    <xs:attribute name="strategy" type="odm:storage-strategy" default="set" />
    <xs:attribute name="field-name" type="xs:NMTOKEN" />
    <xs:attribute name="embed" type="xs:boolean" />
    <xs:attribute name="reference" type="xs:boolean" />
    <xs:attribute name="version" type="xs:boolean" />
    <xs:attribute name="lock" type="xs:boolean" />
    <xs:attribute name="not-saved" type="xs:boolean" />
    <xs:attribute name="nullable" type="xs:boolean" />
    <xs:attribute name="also-load" type="xs:string" />

    <!-- index options -->
    <xs:attribute name="background" type="xs:boolean" />
    <xs:attribute name="drop-dups" type="xs:boolean" />
    <xs:attribute name="index" type="xs:boolean" />
    <xs:attribute name="index-name" type="xs:NMTOKEN" />
    <xs:attribute name="order" type="xs:NMTOKEN" />
    <xs:attribute name="sparse" type="xs:boolean" />
    <xs:attribute name="unique" type="xs:boolean" />
  </xs:complexType>

  <xs:complexType name="id">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="generator-option" type="odm:id-generator-option" minOccurs="0" maxOccurs="unbounded" />
    </xs:choice>

    <xs:attribute name="type" type="xs:NMTOKEN" />
    <xs:attribute name="strategy" type="xs:NMTOKEN" default="auto" />
    <xs:attribute name="field-name" type="xs:NMTOKEN" default="id" />
  </xs:complexType>

  <xs:complexType name="id-generator-option">
    <xs:attribute name="name" type="xs:NMTOKEN" use="required" />
    <xs:attribute name="value" type="xs:string" use="required" />
  </xs:complexType>

  <xs:complexType name="gridfs-length-field">
    <xs:attribute name="field-name" type="xs:NMTOKEN" default="length" />
  </xs:complexType>

  <xs:complexType name="gridfs-chunk-size-field">
    <xs:attribute name="field-name" type="xs:NMTOKEN" default="chunkSize" />
  </xs:complexType>

  <xs:complexType name="gridfs-upload-date-field">
    <xs:attribute name="field-name" type="xs:NMTOKEN" default="uploadDate" />
  </xs:complexType>

  <xs:complexType name="gridfs-filename-field">
    <xs:attribute name="field-name" type="xs:NMTOKEN" default="filename" />
  </xs:complexType>

  <xs:complexType name="gridfs-metadata-field">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="discriminator-field" type="odm:discriminator-field" minOccurs="0" />
      <xs:element name="discriminator-map" type="odm:discriminator-map" minOccurs="0" />
      <xs:element name="default-discriminator-value" type="odm:default-discriminator-value" minOccurs="0" />
    </xs:choice>

    <xs:attribute name="target-document" type="xs:string" use="required" />
    <xs:attribute name="field-name" type="xs:NMTOKEN" />
  </xs:complexType>

  <xs:complexType name="embed-one">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="discriminator-field" type="odm:discriminator-field" minOccurs="0" />
      <xs:element name="discriminator-map" type="odm:discriminator-map" minOccurs="0" />
      <xs:element name="default-discriminator-value" type="odm:default-discriminator-value" minOccurs="0" />
    </xs:choice>

    <xs:attribute name="target-document" type="xs:string" />
    <xs:attribute name="field" type="xs:NMTOKEN" use="required" />
    <xs:attribute name="field-name" type="xs:NMTOKEN" />
    <xs:attribute name="not-saved" type="xs:boolean" />
    <xs:attribute name="nullable" type="xs:boolean" />
    <xs:attribute name="also-load" type="xs:NMTOKEN" />
  </xs:complexType>

  <xs:complexType name="embed-many">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="discriminator-field" type="odm:discriminator-field" minOccurs="0" />
      <xs:element name="discriminator-map" type="odm:discriminator-map" minOccurs="0" />
      <xs:element name="default-discriminator-value" type="odm:default-discriminator-value" minOccurs="0" />
    </xs:choice>

    <xs:attribute name="target-document" type="xs:string" />
    <xs:attribute name="collection-class" type="xs:string" />
    <xs:attribute name="field" type="xs:NMTOKEN" use="required" />
    <xs:attribute name="field-name" type="xs:NMTOKEN" />
    <xs:attribute name="strategy" type="odm:storage-strategy" default="pushAll" />
    <xs:attribute name="not-saved" type="xs:boolean" />
    <xs:attribute name="nullable" type="xs:boolean" />
    <xs:attribute name="also-load" type="xs:NMTOKEN" />
  </xs:complexType>

  <xs:simpleType name="storage-strategy">
    <xs:restriction base="xs:token">
      <xs:enumeration value="addToSet"/>
      <xs:enumeration value="pushAll"/>
      <xs:enumeration value="increment"/>
      <xs:enumeration value="set"/>
      <xs:enumeration value="setArray"/>
      <xs:enumeration value="atomicSet"/>
      <xs:enumeration value="atomicSetArray"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="reference-store-as">
    <xs:restriction base="xs:token">
      <xs:enumeration value="id" />
      <xs:enumeration value="ref" />
      <xs:enumeration value="dbRef" />
      <xs:enumeration value="dbRefWithDb" />
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="reference-one">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="cascade" type="odm:cascade-type" minOccurs="0" />
      <xs:element name="discriminator-field" type="odm:discriminator-field" minOccurs="0" />
      <xs:element name="discriminator-map" type="odm:discriminator-map" minOccurs="0" />
      <xs:element name="default-discriminator-value" type="odm:default-discriminator-value" minOccurs="0" />
      <xs:element name="sort" type="odm:sort-map" minOccurs="0" />
      <xs:element name="criteria" type="odm:criteria-map" minOccurs="0" />
    </xs:choice>

    <xs:attribute name="target-document" type="xs:string" />
    <xs:attribute name="field" type="xs:NMTOKEN" use="required" />
    <xs:attribute name="field-name" type="xs:NMTOKEN" />
    <xs:attribute name="store-as" type="odm:reference-store-as" default="dbRefWithDb" />
    <xs:attribute name="inversed-by" type="xs:NMTOKEN" />
    <xs:attribute name="mapped-by" type="xs:NMTOKEN" />
    <xs:attribute name="repository-method" type="xs:NMTOKEN" />
    <xs:attribute name="orphan-removal" type="xs:boolean" />
    <xs:attribute name="not-saved" type="xs:boolean" />
    <xs:attribute name="nullable" type="xs:boolean" />
    <xs:attribute name="also-load" type="xs:NMTOKEN" />
  </xs:complexType>

  <xs:complexType name="reference-many">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="cascade" type="odm:cascade-type" minOccurs="0" />
      <xs:element name="discriminator-field" type="odm:discriminator-field" minOccurs="0" />
      <xs:element name="discriminator-map" type="odm:discriminator-map" minOccurs="0" />
      <xs:element name="default-discriminator-value" type="odm:default-discriminator-value" minOccurs="0" />
      <xs:element name="sort" type="odm:sort-map" minOccurs="0" />
      <xs:element name="criteria" type="odm:criteria-map" minOccurs="0" />
      <xs:element name="prime" type="odm:primers" minOccurs="0" />
    </xs:choice>

    <xs:attribute name="target-document" type="xs:string" />
    <xs:attribute name="collection-class" type="xs:string" />
    <xs:attribute name="field" type="xs:NMTOKEN" use="required" />
    <xs:attribute name="field-name" type="xs:NMTOKEN" />
    <xs:attribute name="store-as" type="odm:reference-store-as" default="dbRefWithDb" />
    <xs:attribute name="strategy" type="odm:storage-strategy" default="pushAll" />
    <xs:attribute name="inversed-by" type="xs:NMTOKEN" />
    <xs:attribute name="mapped-by" type="xs:NMTOKEN" />
    <xs:attribute name="repository-method" type="xs:NMTOKEN" />
    <xs:attribute name="limit" type="xs:integer" />
    <xs:attribute name="skip" type="xs:integer" />
    <xs:attribute name="orphan-removal" type="xs:boolean" />
    <xs:attribute name="not-saved" type="xs:boolean" />
    <xs:attribute name="nullable" type="xs:boolean" />
    <xs:attribute name="also-load" type="xs:NMTOKEN" />
  </xs:complexType>

  <xs:complexType name="sort-type">
    <xs:attribute name="field" type="xs:NMTOKEN" use="required" />
    <xs:attribute name="order" type="xs:NMTOKEN" default="asc" />
  </xs:complexType>

  <xs:complexType name="sort-map">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="sort" type="odm:sort-type" maxOccurs="unbounded" />
    </xs:choice>
  </xs:complexType>

  <xs:complexType name="criteria-type">
    <xs:attribute name="field" type="xs:NMTOKEN" use="required" />
    <xs:attribute name="value" type="xs:NMTOKEN" use="required" />
  </xs:complexType>

  <xs:complexType name="criteria-map">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="criteria" type="odm:criteria-type" maxOccurs="unbounded" />
    </xs:choice>
  </xs:complexType>

  <xs:complexType name="primers">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="field" type="odm:primer-field" maxOccurs="unbounded" />
    </xs:choice>
  </xs:complexType>

  <xs:complexType name="primer-field">
    <xs:attribute name="name" type="xs:NMTOKEN" use="required" />
  </xs:complexType>

  <xs:complexType name="emptyType" />

  <xs:complexType name="cascade-type">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="all" type="odm:emptyType" minOccurs="0" />
      <xs:element name="persist" type="odm:emptyType" minOccurs="0" />
      <xs:element name="merge" type="odm:emptyType" minOccurs="0" />
      <xs:element name="remove" type="odm:emptyType" minOccurs="0" />
      <xs:element name="refresh" type="odm:emptyType" minOccurs="0" />
      <xs:element name="detach" type="odm:emptyType" minOccurs="0" />
    </xs:choice>
  </xs:complexType>

  <xs:simpleType name="inheritance-type">
    <xs:restriction base="xs:token">
      <xs:enumeration value="SINGLE_COLLECTION" />
      <xs:enumeration value="COLLECTION_PER_CLASS" />
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="change-tracking-policy">
    <xs:restriction base="xs:token">
      <xs:enumeration value="DEFERRED_IMPLICIT" />
      <xs:enumeration value="DEFERRED_EXPLICIT" />
      <xs:enumeration value="NOTIFY" />
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="discriminator-mapping">
    <xs:attribute name="value" type="xs:string" use="required" />
    <xs:attribute name="class" type="xs:string" use="required" />
  </xs:complexType>

  <xs:complexType name="discriminator-map">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="discriminator-mapping" type="odm:discriminator-mapping" maxOccurs="unbounded" />
    </xs:choice>
  </xs:complexType>

  <xs:complexType name="discriminator-field">
    <xs:attribute name="name" type="xs:NMTOKEN" use="required" />
  </xs:complexType>

  <xs:complexType name="default-discriminator-value">
    <xs:attribute name="value" type="xs:string" use="required" />
  </xs:complexType>

  <xs:simpleType name="lifecycle-callback-type">
    <xs:restriction base="xs:token">
      <xs:enumeration value="prePersist" />
      <xs:enumeration value="postPersist" />
      <xs:enumeration value="preUpdate" />
      <xs:enumeration value="postUpdate" />
      <xs:enumeration value="preRemove" />
      <xs:enumeration value="postRemove" />
      <xs:enumeration value="preLoad" />
      <xs:enumeration value="postLoad" />
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="lifecycle-callback">
    <xs:attribute name="type" type="odm:lifecycle-callback-type" use="required" />
    <xs:attribute name="method" type="xs:NMTOKEN" use="required" />
  </xs:complexType>

  <xs:complexType name="lifecycle-callbacks">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="lifecycle-callback" type="odm:lifecycle-callback" maxOccurs="unbounded" />
    </xs:choice>
  </xs:complexType>

  <xs:complexType name="index-key">
    <xs:attribute name="name" type="xs:string" use="required" />
    <xs:attribute name="order" type="xs:NMTOKEN" default="asc" />
  </xs:complexType>

  <xs:complexType name="index-option">
    <xs:attribute name="name" type="xs:NMTOKEN" use="required" />
    <xs:attribute name="value" type="xs:NMTOKEN" use="required" />
  </xs:complexType>

  <xs:simpleType name="partial-filter-expression-operator">
    <xs:restriction base="xs:token">
      <xs:enumeration value="eq" />
      <xs:enumeration value="exists" />
      <xs:enumeration value="gt" />
      <xs:enumeration value="gte" />
      <xs:enumeration value="lt" />
      <xs:enumeration value="lte" />
      <xs:enumeration value="type" />
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="partial-filter-expression-field">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="field" type="odm:partial-filter-expression-field" minOccurs="0" maxOccurs="unbounded" />
    </xs:choice>

    <xs:attribute name="name" type="xs:NMTOKEN" use="required" />
    <xs:attribute name="operator" type="odm:partial-filter-expression-operator" use="optional" />
    <xs:attribute name="value" type="xs:string" use="optional" />
  </xs:complexType>

  <xs:complexType name="partial-filter-expression-and">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="field" type="odm:partial-filter-expression-field" maxOccurs="unbounded" />
    </xs:choice>
  </xs:complexType>

  <xs:complexType name="partial-filter-expression">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="and" type="odm:partial-filter-expression-and" maxOccurs="unbounded" />
      <xs:element name="field" type="odm:partial-filter-expression-field" maxOccurs="unbounded" />
    </xs:choice>
  </xs:complexType>

  <xs:complexType name="index">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="key" type="odm:index-key" maxOccurs="unbounded" />
      <xs:element name="option" type="odm:index-option" minOccurs="0" maxOccurs="unbounded" />
      <xs:element name="partial-filter-expression" type="odm:partial-filter-expression" minOccurs="0" />
    </xs:choice>

    <xs:attribute name="name" type="xs:string" />
    <xs:attribute name="drop-dups" type="xs:boolean" />
    <xs:attribute name="background" type="xs:boolean" />
    <xs:attribute name="unique" type="xs:boolean" />
    <xs:attribute name="sparse" type="xs:boolean" />
  </xs:complexType>

  <xs:complexType name="indexes">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="index" type="odm:index" maxOccurs="unbounded" />
    </xs:choice>
  </xs:complexType>

  <xs:complexType name="shard-key">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="key" type="odm:shard-key-key" maxOccurs="unbounded" />
      <xs:element name="option" type="odm:shard-key-option" minOccurs="0" maxOccurs="unbounded" />
    </xs:choice>

    <xs:attribute name="unique" type="xs:boolean" />
    <xs:attribute name="numInitialChunks" type="xs:integer" />
  </xs:complexType>

  <xs:complexType name="shard-key-key">
    <xs:attribute name="name" type="xs:NMTOKEN" use="required" />
    <xs:attribute name="order" type="xs:NMTOKEN" default="asc" />
  </xs:complexType>

  <xs:complexType name="shard-key-option">
    <xs:attribute name="name" type="xs:NMTOKEN" use="required" />
    <xs:attribute name="value" type="xs:NMTOKEN" use="required" />
  </xs:complexType>

  <xs:complexType name="also-load-method">
    <xs:attribute name="method" type="xs:NMTOKEN" use="required" />
    <xs:attribute name="field" type="xs:NMTOKEN" use="required" />
  </xs:complexType>


  <xs:complexType name="also-load-methods">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="also-load-method" type="odm:also-load-method" maxOccurs="unbounded" />
    </xs:choice>
  </xs:complexType>

  <xs:simpleType name="read-preference-values">
    <xs:restriction base="xs:string">
      <xs:enumeration value="primary" />
      <xs:enumeration value="primaryPreferred" />
      <xs:enumeration value="secondary" />
      <xs:enumeration value="secondaryPreferred" />
      <xs:enumeration value="nearest" />
    </xs:restriction>
  </xs:simpleType>

  <xs:complexType name="read-preference-tag-set">
    <xs:choice minOccurs="0" maxOccurs="unbounded">
      <xs:element name="tag" type="odm:read-preference-tag" minOccurs="0" maxOccurs="unbounded" />
    </xs:choice>
  </xs:complexType>

  <xs:complexType name="read-preference-tag">
    <xs:attribute name="name" type="xs:string" use="required" />
    <xs:attribute name="value" type="xs:string" use="required" />
  </xs:complexType>

  <xs:complexType name="schema-validation">
    <xs:simpleContent>
      <xs:extension base="xs:string">
        <xs:attribute name="action" type="odm:schema-validation-action" />
        <xs:attribute name="level" type="odm:schema-validation-level" />
      </xs:extension>
    </xs:simpleContent>
  </xs:complexType>

  <xs:simpleType name="schema-validation-action">
    <xs:restriction base="xs:token">
      <xs:enumeration value="error" />
      <xs:enumeration value="warn" />
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="schema-validation-level">
    <xs:restriction base="xs:token">
      <xs:enumeration value="off" />
      <xs:enumeration value="strict" />
      <xs:enumeration value="moderate" />
    </xs:restriction>
  </xs:simpleType>

</xs:schema>