OM2M/Resources data model

Definitions

• Resource: is a uniquely addressable entity in the RESTful architecture. A resource has a representation that shall be transferred and manipulated with the verbs. A resource shall be addressed using a Universal Resource Identifier (URI).

• Sub-Resource: also called child resource. It is a resource that has a containment relationship with the addressed (parent) resource. The parent resource representation contains references to the children.

• Attribute: is meta-data that provides properties associated with a resource representation.

• Attribute-Type: attributes are distinguished by the following types:

Type	Description
RW	read/write by client
RO	Read-Only by client, set by the server
WO	Write-once, can be provided at creation, but cannot be changed anymore

SclBase

SclBase data model

Name	Type	Occurs	Read/Write	Description
accessRightID	URI	0..1	RW	Reference to an AccessRight resource defining who is allowed to access the resource containing this attribute for a specific purpose (retrieve, update, delete etc.)
searchStrings	SearchStrings	1	RW	Tokens used as keys for discovering resources
...	...	...	...	...

SclBase.xsd

<?xml version="1.0" encoding="UTF-8"?>
<schema xmlns="http://www.w3.org/2001/XMLSchema" targetNamespace="http://uri.etsi.org/m2m" xmlns:tns="http://uri.etsi.org/m2m">
  <include schemaLocation="common.xsd" />
  <element name="sclBase" type="tns:SclBase"/>
  <complexType name="SclBase">
    <all>
      <element ref="tns:accessRightID" minOccurs="0" />
      <element ref="tns:searchStrings" minOccurs="0" />
      <element ref="tns:creationTime" minOccurs="0" />
      <element ref="tns:lastModifiedTime" minOccurs="0" />
      <element ref="tns:aPocHandling" minOccurs="0" />
      <!-- subresources -->
      <element ref="tns:sclsReference" minOccurs="0" />
      <element ref="tns:applicationsReference" minOccurs="0" />
      <element ref="tns:containersReference" minOccurs="0" />
      <element ref="tns:groupsReference" minOccurs="0" />
      <element ref="tns:accessRightsReference" minOccurs="0" />
      <element ref="tns:subscriptionsReference" minOccurs="0" />
      <element ref="tns:discoveryReference" minOccurs="0" />
    </all>
  </complexType>
  <element name="sclsReference" type="anyURI" />
  <element name="discoveryReference" type="anyURI" />
</schema>