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The following JSON data was first stored in CPS DB, then to test the GET operation:

Code Block

{
  "first-container": multiple-data-tree:interface-A": {
    "host-name": "host",
    "interface": [
      {
        "name": "a-leaf": "a-ValueInterface-A",
        "address": "10.10.10.1",
        "subnet-mask": "255.255.255.0",
        "enabled": false
      }
    ],
    "domain": "false"
  },
  "last-container": {
multiple-data-tree:interface-B": {
    "interface": [
      {
     "x-leaf": "x-value"   "name": "Interface-B",
        "address": "10.10.10.1",
        "subnet-mask": "255.255.255.0"
      }
    ]
  }
}

Analysis of Patch operation (Update node leaves)

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Updating all data trees under an anchor with root node xPath "/"

CURL request to update all data trees

Code Block

curl --location --request PATCH 'http://localhost:8080/cps/api/v2v1/dataspaces/testDataspace/anchors/multipleDataTreesample/nodes?xpath=%2F&observed-timestamp=2021-03-21T00%3A10%3A34.030-0100' --header 'Content-Type: application/json' --header 'Accept: application/json' --header 'Authorization: Basic Y3BzdXNlcjpjcHNyMGNrcyE=' --header 'Cookie: JSESSIONID=node056putyccbmdr1ij6x17mynl312node0iyclt1syzfqj28jzo5qc5gks1.node0' \
--data '{
  "first-containermultiple-data-tree:interface-A": {
    "a-leafhost-name": "host-A",
    "interface": [
      {
        "name": "a-updated-valueInterface-A",
        "address": "10.10.10.100",
        "subnet-mask": "255.255.255.25",
        "enabled": false
      }
    ],
    "domain": "true"
  },
  "last-containermultiple-data-tree:interface-B": {
    "interface": [
      {
        "name": "x-leaf": "x-updated-value"
  }
}'

Response: 200 OK

Interface-B",
        "address": "10.10.10.1100",
        "subnet-mask": "255.255.255.0"
      }
    ]
  }
}'

Response: 500 Server Error

Code Block

{
    "status": "500 INTERNAL_SERVER_ERROR",
    "message": "could not execute statement; SQL [n/a]; nested exception is org.hibernate.exception.DataException: could not execute statement",
    "details": "Check logs for details."
}

On performing Get operation we get the following JSON data

Code Block

[
    {
    "multiple-data-tree:last-container": {
    "int:interface-A": {
            "domain": "false",
            "host-name": "host",
            "interface": [
                {
                "x-leaf": "x-value"
    }
    "name": "Interface-A",
                    "address": "10.10.10.1",
                    "enabled": false,
                    "subnet-mask": "255.255.255.0"
                }
            ]
        }
    },
    {
        "multiple-data-tree:first-container": {
int:interface-B": {
            "interface": [
                {
                   "a-leaf": "a-updated-value"
    }
   "name": "Interface-B",
                    "address": "10.10.10.1",
                    "subnet-mask": "255.255.255.0"
                }
            ]
        }
    }
]

Updating the first data tree
CURL request to update first data tree

Code Block

curl --location --request PATCH 'http://localhost:8080/cps/api/v2v1/dataspaces/testDataspace/anchors/multipleDataTreesample/nodes?xpath=%2Ffirst-container&observed-timestamp=2021-03-21T00%3A10%3A34.030-0100' %2Finterface-A' \
--header 'Content-Type: application/json' --header 'Accept: application/json' --header 'Authorization: Basic Y3BzdXNlcjpjcHNyMGNrcyE=' --header 'Cookie: JSESSIONID=node02yp851tkv9yvzexd1irvkyqc0node0iyclt1syzfqj28jzo5qc5gks1.node0' \
--data '{
        "first-containerint:interface": {
       "a-leaf": "a-updated-value"
  }
}'

Response

     "name": "Interface-A",
            "address": "10.10.10.200",
            "enabled": true,
            "subnet-mask": "255.255.255.0"
        }
    }'

Response 200 OK
Updated data after making get request

Code Block

{
    "statusint:interface-A": {
      "400 BAD_REQUESTdomain": "false",
      "messagehost-name": "host",
      "interface"Failed: to[
 parse json data. Unsupported xpath or json data:{\"first-container\":{\"a-leaf\":\"a-updated-value\"}}",
{
          "name": "Interface-A",
          "address": "10.10.10.200",
          "detailsenabled": true,
 "Schema node with name first-container was not found under (org:onap:ccsdk:multiDataTree?revision=2020-09-15)first-container."
} "subnet-mask": "255.255.255.0"
        }
      ]
    }
  }
]

Updating the second data tree
CURL request to update second data tree

Code Block

curl --location --request PATCH 'http://localhost:8080/cps/api/v2v1/dataspaces/testDataspace/anchors/multipleDataTreesample/nodes?xpath=%2Flast-container&observed-timestamp=2021-03-21T00%3A10%3A34.030-0100' %2Finterface-B' \
--header 'Content-Type: application/json' --header 'Accept: application/json' --header 'Authorization: Basic Y3BzdXNlcjpjcHNyMGNrcyE=' --header 'Cookie: JSESSIONID=node02yp851tkv9yvzexd1irvkyqc0node0iyclt1syzfqj28jzo5qc5gks1.node0' \
--data '{
       "last-container "int:interface": {
    "x-leaf": "x-updated-value"
  }
}'

Response

        "name": "Interface-B",
            "address": "10.10.10.200",
            "subnet-mask": "255.255.255.10"
        }
    }'

Response 200 OK
Updated data after making get request

Code Block

{
    "statusint:interface-B": {
 "400 BAD_REQUEST",
    "messageinterface": "Failed to parse json data. Unsupported xpath or json data:{\"last-container\":{\"x-leaf\":\"x-updated-value\"}} [
        {
          "name": "Interface-B",
          "address": "10.10.10.200",
    "details      "subnet-mask": "Schema node with name last-container was not found under (org:onap:ccsdk:multiDataTree?revision=2020-09-15)last-container."
}"255.255.255.10"
        }
      ]
    }
  }
]

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Key

Analysis of Patch operation (Update node leaves)