Message class for New York University Digital Library's Message Driven Infrastructure
in development
All MDI messages are serialized using JSON.
There are a standard set of key-value pairs expected in all request
and response messages.
Service-specific key-value pairs are specified using the params key.
| key | description |
|---|---|
version |
the message format version |
request_id |
a UUID |
params |
a hash containing service-specific key/value pairs |
| key | description |
|---|---|
version |
the message format version |
request_id |
a UUID |
params |
echo of request params |
outcome |
success or error |
start_time |
operation execution start timestamp (ISO-8601 UTC) |
end_time |
operation execution finish timestamp (ISO-8601 UTC) |
agent |
a hash with keys name, version,host |
data |
an optional key for returning data from the service |