Generic method responses for IMS™
A successful response generates an HTTP status code of 200. Failures produce an appropriate status code and an error message describing the cause of the failure.
File Manager Service Provider generates the following JSON format in response to a successful generic method request for IMS™ data:
{
"segments" :
[
{
"last" : boolean,
"layout" : “string”,
“segname” : “string”,
"fields" :
[
{
“field" : "string",
"type" : "string",
"dimension" : integer,
"value" : "string-number-array-or-null",
"error" : "string"
}
]
}
] ,
"token" : "string"
}
Key fields for a generic method response are explained in the following table:
| Key | Description |
|---|---|
| segments | An array of 0 or more segments from the IMS™ data resource. |
| last | If present, is indicates that the segment is last in the IMS™ resource. |
| layout | The name of the segment layout that was used to map this segment. |
| segname | The name of the IMS™ database segment. |
| fields | Each segment is represented as an array of 1 or more fields. |
| field | The name of the layout field. |
| type | The File Manager data type of the field. For a list of data types, see Dynamic Template panel. |
| dimension | If the field is an array, the dimension of the array. For example, a value of 2 represents a two-dimensional array. |
| value | The value of the data field. A null value means the value could not be determined. |
| error | Short error text explaining why the field value is null (that is, why the value could not be determined. |
| token | A File Manager session token. A token is returned when
a request sets "session" : true and does not also pass
a token value. The token represents a File
Manager/IMS session
running in the z/OS® environment
and can be used by subsequent requests when multiple accesses by a
client are required.To end the FM/IMS session, the
client must send a request with the token and |