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URL : PUT http://<IP:PORT>/cps/v2/dataspaces/{dataspace-name}/notification-subscription/{subscription}

Query Parameters:

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Information about the subscription of notification will be persisted in Fragment table. For Example, if the notification is subscribed unsubscribed by anchor_id 28, fragment table will have below entry

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The above entry from fragment table will be deleted when anchor is unsubscribed from subscribed to notification. 

Attributes field is empty because we don't need any further granular control of notification. In future if we need to implement further granular control of notification, we can use attributes fields 

Persistence using NEW dedicated YANG schema 

API 

URL : PUT http://<IP:PORT>/cps/v2/notification-subscription/{subscription}

Query Parameters:

We can create different dataspace and anchor specially for cps notification to persist notification subscription information. We propose to create below dataspace, schema and anchor for notification subscription.

module subscription {
    yang-version 1.1;
    namespace "org:onap:ccsdk:sample";

    prefix notification-subscription;

    revision "2024-07-05" {
        description
            "Sample Model";
    }
    container cps-notification {
      list dataspaces {
        key "name";
        leaf name {
          type string;
        }
        list anchors {
          key "name";
          leaf name {
            type string;
          }
          list xpaths {
            key "xpath";
            leaf xpath {
              type string;
            }
          }
        }
      }
    }
}

{
    "notification-subscription": {
	    "dataspaces": [
		    {
			    "name": "dataspace01"
			},
			{
			    "name": "dataspace02",
			   "anchors": [
				    {
					    "name": "anchor01"
					},
					{
					    "name": "anchor02"
					}
				]
			},
			{
			    "name": "dataspace03",
			    "anchors": [
			     {
			         "name": "anchor01",
				     "xpaths" : [
				         {
						.    "xpath": "/bookstore/categories[@code='01']"
						 },
						 {
							 "xpath": "/bookstore/categories[@code='02']"
						 }
					 ]
				}
				]
			}	
		]
		
	}
}

When Notification is subscribed unsubscribed for above payload, below records will be added in fragment table. 

dataspace01 : all anchors subscribedunsubscribed

dataspace02: list of anchors subscribedunsubscribed

dataspace03: list of anchors and xpaths subscribed unsubscribed 

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