OM2M/ContentInstance

ContentInstance resource

The contentInstance resource represents a data instance in the container.

The contentInstance resource cannot be modified once created.

A contentInstance may be deleted explicitly or it may be deleted by the platform.

Name	Type	Multiplicity	Create	Update	Response
id	NMTOKEN	1	O	N/A	M*
href	AnyURI	1	NP	N/A	O
contentTypes	ContentTypes	1	O	N/A	O
contentSize	Long	1	NP	N/A	M
creationTime	DateTime	1	NP	N/A	M
lastModifiedTime	DateTime	1	NP	N/A	M
delayTolerance	DateTime	1	O	N/A	M*
content	Content	1	M	N/A	M

ContentInstance XSD schema

<?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" xmlns:xmlmime="http://www.w3.org/2005/05/xmlmime">
  <include schemaLocation="common.xsd" />
  <import namespace="http://www.w3.org/2005/05/xmlmime" schemaLocation="xmlmime.xsd" />
  <element name="contentInstance" type="tns:ContentInstance" />
  <complexType name="ContentInstance">
    <all>
      <element ref="tns:creationTime" minOccurs="0" />
      <element ref="tns:lastModifiedTime" minOccurs="0" />
      <element ref="tns:delayTolerance" minOccurs="0" />
      <element ref="tns:contentTypes" minOccurs="0" />
      <element ref="tns:contentSize" minOccurs="0" />
      <element ref="tns:content" minOccurs="0" />
    </all>
    <attribute ref="tns:id" />
    <attribute name="href" type="anyURI" />
  </complexType>
  <element name="content" type="xmlmime:base64Binary" />
  <element name="contentSize" type="long" />
  <element name="contentTypes" type="tns:ContentTypes" />
  <complexType name="ContentTypes">
    <sequence>
      <element ref="tns:contentType" maxOccurs="unbounded" />
    </sequence>
  </complexType>
</schema>

Create ContentInstance

Create a container' contentInstance resource

• Synopsis: POST {Well Known URI of the Service}
• Request Headers: Authorization, Accept.
• Request Body: M.
• Response Headers: Content-Type, Content-Length.
• Response Message Body: Application.
• Response Status: 201, 402, 404, 501.

Example Request

POST /scl-id/containers/Id/contentInstances/
Host: om2m.laas.fr
Authorization: Basic xxxxxxxxxxxxxxxxxxx
Body:
<obj> 
 <str name="type" val="Temperature_Sensor"/> 
 <str name="location" val="Home"/> 
 <str name="appId" val=app-Id/> 
 <op name="getValue" href="scl-id/applications/app-Id/containers/Id/contentInstances/latest/content" 
in="obix:Nil" out="obix:Nil" is="retrieve"/> 
</obj> 

Example Response

HTTP/1.1 201 Created
Content-Type: text/xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<om2m:contentInstance xmlns:om2m="http://uri.etsi.org/m2m" xmlns:xmime="http://www.w3.org/2005/05/xmlmime" om2m:id="CI_650627555" href="scl-id/containers/Id/contentInstances/id">
    <om2m:creationTime>2014-04-17T21:04:20.985+02:00</om2m:creationTime>
    <om2m:lastModifiedTime>2014-04-17T21:04:20.986+02:00</om2m:lastModifiedTime>
    <om2m:delayTolerance>2014-04-18T00:24:20.985+02:00</om2m:delayTolerance>
    <om2m:contentSize>288</om2m:contentSize>
    <om2m:content xmime:contentType="application/xml">PG9iaj4gCiA8c3RyIG5hbWU9InR5cGUiIHZhbD0iVGVtcGVyYXR1cmVfU2Vuc29yIi8+IAogPHN0ciBuYW1lPSJsb2NhdGlvbiIgdmFsPSJIb21lIi8+IAogPHN0ciBuYW1lPSJhcHBJZCIgdmFs
PSJNWV9TRU5TT1IiLz4gCiA8b3AgbmFtZT0iZ2V0VmFsdWUiIGhyZWY9ImdzY2wvYXBwbGljYXRpb25zL01ZX1NFTlNPUi9jb250YWluZXJzL0RBVEEvY29udGVudEluc3RhbmNlcy9sYXRlc3QvY29udGVudCIgCmluPSJvYml4Ok5pbCIgb3V0PS
JvYml4Ok5pbCIgaXM9InJldHJpZXZlIi8+IAo8L29iaj4gCiAK</om2m:content>
</om2m:contentInstance>

Retrieve ContentInstance

Retrieve information about contentInstance data value

• Synopsis: GET {Well Known URI of the Service}
• Request Headers: Authorization, Accept.
• Request Body: N/A.
• Response Headers: Content-Type, Content-Length.
• Response Message Body: Application.
• Response Status: 200, 402, 404, 501.

Example Request

GET /scl-id/containers/Id/contentInstances/id
Host: om2m.laas.fr
Authorization: Basic xxxxxxxxxxxxxxxxxxx

Example Response

HTTP/1.1 200 OK
Content-Type: text/xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<om2m:contentInstance xmlns:om2m="http://uri.etsi.org/m2m" xmlns:xmime="http://www.w3.org/2005/05/xmlmime" om2m:id="CI_403186396" href="scl-id/containers/Id/contentInstances/id">
    <om2m:creationTime>2014-04-17T21:08:22.829+02:00</om2m:creationTime>
    <om2m:lastModifiedTime>2014-04-17T21:08:22.829+02:00</om2m:lastModifiedTime>
    <om2m:delayTolerance>2014-04-18T00:28:22.829+02:00</om2m:delayTolerance>
    <om2m:contentSize>288</om2m:contentSize>
    <om2m:content xmime:contentType="application/xml">PG9iaj4gCiA8c3RyIG5hbWU9InR5cGUiIHZhbD0iVGVtcGVyYXR1cmVfU2Vuc29yIi8+IAogPHN0ciBuYW1lPSJsb2NhdGlvbiIgdmFsPSJIb21lIi8+IAogPHN0ciBuYW1l
PSJhcHBJZCIgdmFsPSJNWV9TRU5TT1IiLz4gCiA8b3AgbmFtZT0iZ2V0VmFsdWUiIGhyZWY9ImdzY2wvYXBwbGljYXRpb25zL01ZX1NFTlNPUi9jb250YWluZXJzL0RBVEEvY29udGVudEluc3RhbmNlcy9sYXRlc3QvY29udGVudCIgCmluPSJvYml
4Ok5pbCIgb3V0PSJvYml4Ok5pbCIgaXM9InJldHJpZXZlIi8+IAo8L29iaj4gCiAK</om2m:content>
</om2m:contentInstance>

Update ContentInstance

This operation is not allowed, the contentInstance resource cannot be modified once created.

Delete ContentInstance

Delete a contentInstance resource

• Synopsis: DELETE {Well Known URI of the Service}
• Request Headers: Authorization, Accept.
• Request Body: N/A.
• Response Headers: None.
• Response Message No content.
• Response Status: 204, 402, 404, 501.

Example Request

DELETE /scl-id/containers/Id/contentInstances/id
Host: om2m.laas.fr
Authorization: Basic xxxxxxxxxxxxxxxxxxx

Example Response

HTTP/1.1 204 No Content