Test for the existence of a rule with the given name.
URL Parameters | |
---|---|
database? | Perform this operation on the named content database instead of the default content database associated with the REST API instance. Using an alternative database requires the "eval-in" privilege; for details, see Security Requirements in the REST Application Developer's Guide. |
If a rule with the given name was previously installed using
PUT /v1/alert/rules/{name}
, MarkLogic Server returns
status 200. If no such rule exists, status 404 is returned.
If the Alerting API is not enabled, MarkLogic Server returns status 403.
rest-writer
role, or the
following privilege:
http://marklogic.com/xdmp/privileges/rest-writer
For more information, see Alerting in the REST Application Developer's Guide.
$ curl --anyauth --user user:password -X HEAD -i \ 'http://localhost:8000/v1/alert/rules/json-example' ==> If the rule exists, MarkLogic Server responds with status code 200. If the rule does not exist, MarkLogic Server responds with status 404. A unsuccessful test returns output similar to the following: HTTP/1.1 404 Not Found Content-type: application/xml Server: MarkLogic Content-Length: 365 Connection: Keep-Alive Keep-Alive: timeout=5 <rapi:error xmlns:rapi="http://marklogic.com/rest-api"> <rapi:status-code>404</rapi:status-code> <rapi:status>Not Found</rapi:status> <rapi:message-code>RESTAPI-NODOCUMENT</rapi:message-code> <rapi:message>RESTAPI-NODOCUMENT: (err:FOER0000) Resource or document does not exist: category: alert-rules message: Rule named 'example' not found </rapi:message> </rapi:error>