REST interface for federated IBM BPM resources - Systems Metadata (Task Resources) Resource - GET Method

Use this method to retrieve metadata about one or more WebSphere Process Server installations (single server or cluster).

Sample method invocation

GET /rest/bpm/federated/htm/v1/systems[?domain={string}|systemID={string}]

Parameters

Required Federation Parameter
NameValue TypeDescription
domain string Name of the domain containing the IBM Business Process Manager (BPEL runtime environment, BPD runtime, environment, or both) systems that host the distributed resource (mutually exclusive with the systemID parameter).
systemID string ID of the IBM Business Process Manager (BPEL runtime environment, BPD runtime, environment, or both) system hosting the resource (mutually exclusive with the domain parameter). If specified then this request is treated like any other request for a resource hosted by a single system, that is, the request and the response are just routed, and no pre/post-processing of parameters and results is performed by the federation layer.

Request Content

None

Response Content

System details.

The default content-type is application/json.

MIME Type: application/json


Schema
{  "description": "Systems", 
   "type": "object",
   "properties":
   {  "federationResult":
      [
         {  "systemID": {"type": "string",
               "description": "ID of the individual system the request was sent to."
            },
            "statusCode": {"type": "integer",
               "description": "HTTP Status Code returned from this system."
            },
            "errorNumber": {"type": "string", "optional": true,
               "description":"Message ID of the exception."
            },
            "errorMessage": {"type": "string", "optional": true,
               "description":"Message text of the exception."
            },
            "errorMessageParameters": {"type": ["string"], "optional": true,
               "description":"Message text parameters of the exception."
            },
            "programmersDetails": {"type": "object", "optional": true,
               "description":"Additional, exception details, for example, a stack trace."
            }
         }
      ],
      "systems":
      [
         {  "systemID": {"type": "string", 
               "description": "ID of the system that is described by this object."
            },
            "systemType": {"type": "string",
               "description": "Type of the system that is described by this object. Predefined values are listed below.",
               "enum":
               [
                  "SYSTEM_TYPE_WLE",
                  "SYSTEM_TYPE_WPS",
                  "SYSTEM_TYPE_ICM"
               ]
            },
            "version": {"type": "string",
               "description": "Version of the system that is described by this object."
            },
            "buildLevel": {"type": "string",
               "description": "Build level of the system that is described by this object."
            },
            "groupWorkItemsEnabled": {"type": "boolean",
               "description": "States whether group workitems can be used."
            },
            "substitutionEnabled": {"type": "boolean",
               "description": "States whether substitution is enabled."
            },
            "substitutionManagementRestrictedToAdministrators": {"type": "boolean",
               "description": "States whether substitution management is restricted to administrators."
            },
            "taskHistoryEnabled": {"type": "boolean",
               "description": "States whether the collection of task history events is enabled."
            },
            "workBasketsEnabled": {"type": "boolean",
               "description": "States whether work baskets are enabled."
            },
            "businessCategoriesEnabled": {"type": "boolean",
               "description": "States whether business categories are enabled."
            },
            "supports": {"type": "[string]", "optional": true,
               "description": "List of features the API supports."
            },
            "resources": {"type": "[string]",
               "description": "List of resources the API supports."
            },
            "hostName": {"type": "[string]", "optional": true,
               "description": "Hostname of the system that is described by this object."
            }
         }
      ],
      "domains": 
      [
         {  "name": {"type": "string",
               "description": "Name of the domain."
            },
            "displayName": {"type": "string",
               "description": "Display name of the domain."
            },
            "status": {"type": "string", "optional": true,
               "description": "Status of the domain information; 'incomplete' if one or more systems of the domain did not return metadata."
            },
            "systems": {"type": ["string"],
               "description": "List of IDs for the systems in this domain."
            }
         }
      ], "optional": true
   }    
}

Error Response Content

Detailed error information.

The default content-type is application/json.

MIME Type: application/json


Schema
{  "description": "Error Response", 
   "type": "object",
   "properties":
   {  "federationResult":
      [
         {  "systemID": {"type": "string",
               "description": "ID of the individual system the request was sent to."
            },
            "statusCode": {"type": "integer",
               "description": "HTTP Status Code returned from this system."
            },
            "errorNumber": {"type": "string", "optional": true,
               "description": "Message ID of the exception."
            },
            "errorMessage": {"type": "string", "optional": true,
               "description": "Message text of the exception."
            },
            "errorMessageParameters": {"type": ["string"], "optional": true,
               "description": "Message text parameters of the exception."
            },
            "programmersDetails": {"type": "object", "optional": true,
               "description": "Additional, exception details, for example, a stack trace."
            },
            "status": {"type": "string", "optional": true,
               "description": "Status of the request."
            },
            "exceptionType": {"type": "string", "optional": true,
               "description": "Type of the exception."
            }      
         }
      ], 
      "errorNumber": {"type": "string",
         "description": "Message ID of the exception."
      },
      "errorMessage": {"type": "string",
         "description": "Message text of the exception."
      },
      "errorMessageParameters": {"type": ["string"], "optional": true,
         "description": "Message text parameters of the exception."
      },
      "programmersDetails": {"type": "object", "optional": true,
         "description": "Additional, exception details, for example, a stack trace."
      },
      "status": {"type": "string", "optional": true,
         "description": "Status of the request."
      },
      "exceptionType": {"type": "string", "optional": true,
         "description": "Type of the exception."
      }      
   }
} 

Status codes

The method returns one of the following status codes:
CodeDescription
200 OKSuccess completion.
400 Bad RequestThe parameters are not valid or they are missing.
401 UnauthorizedThe caller is not authorized for this request.
406 Not AcceptableThe requested content type or content encoding is not supported.
500 Internal Server ErrorA severe problem has occurred. Programmer's details are provided.
503 Service UnavailableThe federated request could not be delivered to individual federation targets.
504 Gateway TimeoutThe federated response has partial content because of missing individual responses.

Change history

The following changes have been applied to this method:
ReleaseDescription
7.5.1
The returned query table attribute entry contains a new properties:
  • "supports"
  • "resources"

Available since

7.5

Parent topic: Systems Metadata (Task Resources) Resource