Metacat

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

<xs:schema  targetNamespace="http://ns.dataone.org/service/types/v2.0"

  xmlns:d1="http://ns.dataone.org/service/types/v1"

    xmlns:d1_v1.1="http://ns.dataone.org/service/types/v1.1"

    xmlns:d1_v2.0="http://ns.dataone.org/service/types/v2.0"

    xmlns:xs="http://www.w3.org/2001/XMLSchema"

    version="2.0.0"

    elementFormDefault="unqualified" attributeFormDefault="unqualified">

<!-- 

$HeadURL:  $

$Id:  $

About this document:

  This XML Schema document defines the common data structures that are used

  to support messaging between the major components of the DataONE

  infrastructure and to guide structure design for storage of information

  required for normal operations.

License:

  This work was created by participants in the DataONE project, and is

  jointly copyrighted by participating institutions in DataONE. For

  more information on DataONE, see our web site at http://dataone.org.

    Copyright 2015

  Licensed under the Apache License, Version 2.0 (the "License");

  you may not use this file except in compliance with the License.

  You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software

  distributed under the License is distributed on an "AS IS" BASIS,

  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  See the License for the specific language governing permissions and

  limitations under the License.

Formatting: 

  - This document MUST be saved as a UTF-8 encoded file.

  - Indent using spaces, not tabs, with two spaces per indent level.

  - Line wrapping should be set to 80 chars, adjusted as necessary

  - Documentation entries contain formatting instructions for integration with

    the DataONE architecture documentation, available at:

      http://mule1.dataone.org/ArchitectureDocs-current

-->

  <!-- NOTE THAT ALL SERIALIZEABLE ROOT ELEMENTS FOR MESSAGES SHOULD BE OF A

       COMPLEX TYPE -->

  <xs:import namespace="http://ns.dataone.org/service/types/v1" 

        schemaLocation="http://ns.dataone.org/service/types/v1" />

  <xs:import namespace="http://ns.dataone.org/service/types/v1.1" 

        schemaLocation="http://ns.dataone.org/service/types/v1.1" />

  <!--  MediaType -->

  <xs:complexType name="MediaType">

    <xs:annotation>

      <xs:documentation>Value drawn from the value space of IANA Media Types (

        http://www.iana.org/assignments/media-types/media-types.xhtml ). When 

        specified, indicates the IANA Media Type (aka MIME-Type) of the object. 

        The value should include the media type and subtype (e.g. text/csv). The 

        mediaType value is not case sensitive.

      </xs:documentation>

      <xs:documentation>Any required media type parameters must be provided, and

        optional parameters may be specified. There are no explicit constraints 

        on the name of attributes or their values, however they SHOULD conform

        to media type optional and required parameters as specified in the 

        respective media type RFC.

      </xs:documentation>

    </xs:annotation>

    <xs:simpleContent>

      <xs:extension base="xs:string">

        <xs:anyAttribute namespace="##any" processContents="lax" />

      </xs:extension>

    </xs:simpleContent>

  </xs:complexType>

  <!-- Updated SystemMetadata type -->

  <xs:complexType name="SystemMetadata" >

      <xs:annotation>

        <xs:documentation>System metadata in DataONE APIs version 2.0 extends

        the :class:`types.SystemMetadata` definition of version 1.x by adding 

        :term:`seriesId`, :term:`charset`, :term:`mediaType`, and 

        :term:`fileName` elements. Each of these are optional, so Version 1.x 

        System Metadata is compatible with Version 2.x, though not vice-versa.

        </xs:documentation>

      </xs:annotation>

      <xs:complexContent>

        <xs:extension base="d1:SystemMetadata">

          <xs:sequence>

            <xs:element name="seriesId" type="d1:Identifier" minOccurs="0">

                <xs:annotation>

                  <xs:documentation>The :term:`seriesId` is a unique Unicode 

                  string that can be used to identify an object revision chain 

                  in DataONE. When included, the seriesId can be used to 

                  reference the latest version of and object in the revision 

                  chain. API methods that rely on byte fixity (e.g. for content 

                  replication) will not accept seriesId in place of discrete 

                  identifiers.</xs:documentation>

                  <xs:documentation>The values used for seriesId must be unique 

                  within DataONE and cannot be the same as the :term:`primary 

                  identifier` of an object. </xs:documentation>

                  <xs:documentation>The same encoding rules used for identifier 

                  values apply to seriesId values.</xs:documentation>

                </xs:annotation>

              </xs:element>

              <xs:element name="mediaType" type="d1_v2.0:MediaType" minOccurs="0">

                <xs:annotation>

                  <xs:documentation>When specified, indicates the IANA Media 

                    Type (aka MIME-Type) of the object. When specified, this 

                    value overrides the default value specified in the version 

                    2.0 ObjectFormat structure. The value should include the 

                    media type and subtype (e.g. text/csv). The mediaType value 

                    is not case sensitive.</xs:documentation>

                    <xs:documentation>The purpose of this value is to provide 

                      more detailed information about the specific media type 

                      of the associated object than may be available through 

                      the associated ObjectFormat.

                    </xs:documentation>

                    <xs:documentation>When specified, the mediaType value here 

                      should be used in preference to the value recorded in the 

                      referenced :class:`ObjectFormat`.

                    </xs:documentation>

                    <xs:documentation>This value SHOULD be set by the content 

                    creator. It MAY be set by any receiving agent if the value 

                    is not already set, the value in the ObjectFormat is less 

                    specific, and a correct value is specified elsewhere such 

                    as by a HTTP Content-Type parameter.

                    </xs:documentation>

                    <xs:documentation>This value may only be changed to correct 

                      an erroneous entry.</xs:documentation>

                </xs:annotation>

              </xs:element>

              <xs:element name="fileName" type="xs:string" minOccurs="0">

                <xs:annotation>

                  <xs:documentation>Optional tough recommended value that 

                    provides a suggested file name for the object. Values should

                    conform to cross platform file naming conventions.

                  </xs:documentation>

                  <xs:documentation>This value SHOULD be set by the content 

                    creator.</xs:documentation>

                  <xs:documentation>This value MAY be set by any receiving agent

                    Changing the value is discouraged once set, unless by the 

                    authoritative Member Node of content owner.

                  </xs:documentation>

                </xs:annotation>

              </xs:element>

          </xs:sequence>

        </xs:extension>

      </xs:complexContent>  

     </xs:complexType>

     <!-- Node List -->  

  <xs:complexType name="NodeList">

    <xs:annotation>

      <xs:documentation> A list of :class:`v2_0.Types.Node` entries returned by

      :func:`CNCore.listNodes()`.

      </xs:documentation>

      <xs:documentation>NodeList is described in :mod:`NodeList`.

      </xs:documentation>

    </xs:annotation>

    <xs:sequence>

      <xs:element name="node" 

                  type="d1_v2.0:Node"

                  maxOccurs="unbounded" 

                  minOccurs="1"/>

    </xs:sequence>

  </xs:complexType>

     <!-- Updated Node type to allow for Service Extensions-->

  <xs:complexType name="Node">

    <xs:annotation>

      <xs:documentation>Extends the Version 1.x :class:`Types.Node` by adding 

        an optional unbounded parameter entry that can be used to provide 

        additional simple metadata relevant to a Node. </xs:documentation>

    </xs:annotation>

    <xs:complexContent>

      <xs:extension base="d1:Node">

        <xs:sequence>

          <xs:element name="property" 

                      type="d1_v2.0:Property" 

                      minOccurs="0" 

                      maxOccurs="unbounded">

            <xs:annotation>

              <xs:documentation>Allows additional attributes be added to the 

                Node document as needed.</xs:documentation>

            </xs:annotation>

          </xs:element>

        </xs:sequence>

      </xs:extension>

    </xs:complexContent>  

   </xs:complexType>

  <!-- Property extension-->

  <xs:complexType name="Property">

      <xs:annotation>

        <xs:documentation>Additional Property elements can be included to 

          describe the Node in more detail. Some properties will come from 

          controlled vocabularies, indicated by the type attribute, while 

          others will be free-form key value pairs.</xs:documentation>

      </xs:annotation>

      <xs:simpleContent>

        <xs:extension base="xs:string">

          <xs:attribute name="key" type="xs:string" use="required">

            <xs:annotation>

                <xs:documentation>The property key for this entry. Should be 

                  unique within the Node element.</xs:documentation>

          </xs:annotation>

          </xs:attribute>

          <xs:attribute name="type" type="xs:string" use="optional">

            <xs:annotation>

                <xs:documentation>The optional type for the property. Can be 

                  used to indicate if a controlled vocabulary is used for the

                  property key to better facilitate machine interpretation.

                </xs:documentation>

          </xs:annotation>

          </xs:attribute>

        </xs:extension>

      </xs:simpleContent>  

     </xs:complexType>

     <!-- Updated ObjectFormat type to allow for MIME type and extension -->

  <xs:complexType name="ObjectFormat">

    <xs:annotation>

      <xs:documentation>Extends Version 1.x :class:`Types.ObjectFormat` by 

        adding :term:`mediaType` and :term:`extension` elements.

       </xs:documentation>

    </xs:annotation>

    <xs:complexContent>

      <xs:extension base="d1:ObjectFormat">

        <xs:sequence>

          <xs:element name="mediaType" type="d1_v2.0:MediaType" minOccurs="0">

              <xs:annotation>

                <xs:documentation>The IANA Media Type for this object format.

                </xs:documentation>

              </xs:annotation>

        </xs:element>

        <xs:element name="extension" type="xs:string" minOccurs="0">

              <xs:annotation>

                <xs:documentation>Suggested file name extension to be used 

                  when serializing this type of object to a file. The value 

                  should not include the period (.).</xs:documentation>

              </xs:annotation>

        </xs:element>

        </xs:sequence>

      </xs:extension>

    </xs:complexContent>  

  </xs:complexType>

  <!--  ObjectFormatList -->

  <xs:complexType name="ObjectFormatList">

    <xs:annotation>  

      <xs:documentation>Extends :class:`Types.ObjectFormatList` to provide a 

        list of :class:`v2_0.Types.ObjectFormat`.

      </xs:documentation>

    </xs:annotation>

    <xs:complexContent>

      <xs:extension base="d1:Slice">

        <xs:sequence>

          <xs:element name="objectFormat" 

                      type="d1_v2.0:ObjectFormat" 

                      minOccurs="1" 

                      maxOccurs="unbounded" />

        </xs:sequence>

      </xs:extension>

    </xs:complexContent>

  </xs:complexType>

  <!--  Log -->

  <xs:complexType name="Log">

    <xs:annotation>

      <xs:documentation>Extends :class:`Types.Log` to represent a collection of 

        :class:`v2_0.Types.LogEntry` elements, used to transfer log information 

        between DataONE components.</xs:documentation>

    </xs:annotation>

    <xs:complexContent>

      <xs:extension base="d1:Slice">

        <xs:sequence>

          <xs:element name="logEntry" type="d1_v2.0:LogEntry" minOccurs="0"

            maxOccurs="unbounded" />

        </xs:sequence>

      </xs:extension>

    </xs:complexContent>

  </xs:complexType>

  <!-- LogEntry -->

  <xs:complexType name="LogEntry">

    <xs:annotation>

      <xs:documentation>Extends :class:`Types.LogEntry` by relaxing the value 

        space for the *event* element.</xs:documentation>

    </xs:annotation>

    <xs:sequence>

      <xs:element name="entryId" type="d1:NonEmptyString" 

          minOccurs="1" maxOccurs="1">

        <xs:annotation>

          <xs:documentation>A unique identifier for this log entry. The

          identifier should be unique for a particular node; This is not drawn

          from the same value space as other identifiers in DataONE, and so is

          not subjec to the same restrictions.</xs:documentation>

        </xs:annotation>

      </xs:element>

      <xs:element name="identifier" type="d1:Identifier" 

          minOccurs="1" maxOccurs="1">

        <xs:annotation>

          <xs:documentation>The :term:`identifier` of the object that was the

          target of the operation which generated this log entry.</xs:documentation>

        </xs:annotation>

      </xs:element>

      <xs:element name="ipAddress" type="xs:string"

          minOccurs="1" maxOccurs="1">

        <xs:annotation>

          <xs:documentation>The IP address, as reported by the service receiving

          the request, of the request origin.</xs:documentation>

        </xs:annotation>

      </xs:element>

      <xs:element name="userAgent" type="xs:string"

          minOccurs="1" maxOccurs="1">

        <xs:annotation>

          <xs:documentation>The user agent of the client making the request, as

          reported in the User-Agent HTTP header.</xs:documentation>

        </xs:annotation>

      </xs:element>

      <xs:element name="subject" type="d1:Subject"

          minOccurs="1" maxOccurs="1">

        <xs:annotation>

          <xs:documentation>The :term:`Subject` used for making the request.

          This may be the DataONE :term:`public` user if the request is not

          authenticated, otherwise it will be the *Subject* of the certificate

          used for authenticating the request.</xs:documentation>

        </xs:annotation>

      </xs:element>

      <xs:element name="event" type="d1:NonEmptyString"

          minOccurs="1" maxOccurs="1">

        <xs:annotation>

          <xs:documentation>A non-empty string that indicates the type of even 

            logged. A value from the :class:`Types.Event` enumeration is 

            recommended but no longer required for Version 2.x.

          </xs:documentation>

        </xs:annotation>

      </xs:element>

      <xs:element name="dateLogged" type="xs:dateTime"

          minOccurs="1" maxOccurs="1">

        <xs:annotation>

          <xs:documentation>A :class:`Types.DateTime` time stamp indicating when

          the event triggering the log message ocurred. Note that all time

          stamps in DataONE are in UTC.</xs:documentation>

        </xs:annotation>

      </xs:element>

      <xs:element name="nodeIdentifier" type="d1:NodeReference"

          minOccurs="1" maxOccurs="1">

        <xs:annotation>

          <xs:documentation>The unique identifier for the node where the log

          message was generated.</xs:documentation>

        </xs:annotation>

      </xs:element>

    </xs:sequence>

  </xs:complexType>

  <!-- OptionList -->

  <xs:complexType name="OptionList">

    <xs:annotation>

      <xs:documentation>A list of options that indicate the possible values for 

        a DataONE service. Each option that can be validly sent to a service is

        listed, providing the specific key that should be used when interacting 

        with the service, as well as a description of that key that allows API 

        users to understand the usage of the key.  For example, an OptionList 

        might contain a list of themes that can be used with the MNView.view 

        service, or for other services that have a configurable but controlled 

        set of parameters.</xs:documentation>

    </xs:annotation>

    <xs:sequence>

      <xs:element name="option" 

                  type="d1:NonEmptyString" 

                  minOccurs="0" 

                  maxOccurs="unbounded">

        <xs:annotation>

          <xs:documentation>The key to be used within an API call to a DataONE 

          service, including a description of the key and its impact on the 

          service. For example, a key 'default' can be provided as the theme for 

          the MNView.view service.  Keys must not contain characters that will 

          need to be URL escaped.</xs:documentation>

        </xs:annotation>

      </xs:element>

    </xs:sequence>

    <xs:attribute name="key" use="required" type="xs:string">

      <xs:annotation>

        <xs:documentation>A value that can be used with a DataONE

        service. Key values must not contain any characters that need to be 

        URL escaped, and should be short and informative. 

        </xs:documentation>

      </xs:annotation>

    </xs:attribute>

    <xs:attribute name="description" use="required" type="xs:string">

      <xs:annotation>

        <xs:documentation>The description of an option, indicating its

        intended use and impact on a DataONE service invocation.</xs:documentation>

      </xs:annotation>

    </xs:attribute>

  </xs:complexType>

  <!-- ******************************************

          DEFINE ROOT ELEMENTS OF MESSAGES HERE 

          ****************************************** -->

  <!-- NOTE THAT ALL SERIALIZEABLE ROOT ELEMENTS FOR MESSAGES SHOULD BE OF A 

       COMPLEX TYPE -->

  <!-- These root-level element definitions are provided for selected types so

       that those types can be used in serialized messages in method calls in

       DataONE. Any type that is included as a parameter to or a return type

       from a DataONE service should have a corresponding root element of that

       type defined here.

  -->

  <xs:element name="optionList" type="d1_v2.0:OptionList" />

  <xs:element name="systemMetadata" type="d1_v2.0:SystemMetadata" />

  <xs:element name="property" type="d1_v2.0:Property" />

  <xs:element name="node" type="d1_v2.0:Node" />

  <xs:element name="nodeList" type="d1_v2.0:NodeList" />  

  <xs:element name="objectFormat" type="d1_v2.0:ObjectFormat" />  

  <xs:element name="objectFormatList" type="d1_v2.0:ObjectFormatList" />

  <xs:element name="log" type="d1_v2.0:Log" />

  <xs:element name="logEntry" type="d1_v2.0:LogEntry" />

  <xs:element name="mediaType" type="d1_v2.0:MediaType" />

</xs:schema>