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The api controllers are responsible of sending PCF commands to WebSphere MQ and to return the answer in JSON format.
Each WebSphere MQ object type will have its own controller. The URI determines
which controller will handle the request and which action will be called. The
URI always starts with
api, the second part of the URI selects the controller
and the third part defines the action. For example: the URI
will call the inquire action on the
An action needs some parameters to know which WebSphere MQ object to use. These
parameters are passed as part of the path of the URI or as query parameter.
The first parameter on the URI after the action is always the name of the
queuemanager. Other parameters depends on the called action.
/api/queue/inquire/PIGEON will return all queues from the queuemanager
PIGEON. Depending on the object type other input can be passed. Look at the api
documentation to know what parameters can be used. The HTTP method can be GET or POST.
Query parameter names are, as much as possible, based on the names used in the
WebSphere MQ information center. For example:
QName will be used for a queuename.
The name of a query parameter is not case sensitive.
It’s also possible to POST an application/json request. The URI is still formed with the object type, action and queuemanager name but all other information can be posted as a JSON object. This JSON object contains input information for the PFC command. Look at the api documentation to know what properties can be used in this object. The name of a property is likely the same as the corresponding query parameter but is now case sensitive!
The answer of an api request is always a JSON object. This JSON object can contain the following properties:
Contains general information about the api call.
Contains the data which is used as input for the PCF command. This can be useful to debug a GET/POST request.
Only returned when a WebSphere MQ error occurred.
An array with objects containing the requested attributes for the WebSphere MQ object type (only returned when no error occurred). This is always an array, even when the PCF command responds with only one message.
Attributes of WebSphere MQ objects are always returned with the name as documented
in the WebSphere MQ information center. For example: The property of the current
queue depth of a queue will have the name
CurrentQDepth. Each property is an
object with the following properties:
The id of the WebSphere MQ property. For example
CurrentQDepthwill have the id
3, which is the equivalent of the C constant
The value of the WebSphere MQ property.
When the value of the property is an MQ constant then this property will have the string representation of the value. For example: When
QueueTypehas the value 1 (MQQT_LOCAL), then this property will have the value
A property with the name
id_nnnn(where nnnn is the value of the C constant) means that the property is not defined in the SQLite database. Create an issue on Github and this will be fixed as soon as possible.