The reading option of type facebook4j.Reading adds support for reading parameters, which allow selecting specific fields, limits the number of results, etc. For more information see Graph API#reading - Facebook Developers.
It is also used by consumer endpoints to poll Facebook data to avoid sending duplicate messages across polls.
The reading option can be a reference or value of type facebook4j.Reading, or can be specified using the following reading options in either the endpoint URI or exchange header with CamelFacebook. prefix.
|
Option |
Description |
|---|---|
|
reading.fields |
Field names to retrieve, in the format field1,field2,... |
|
reading.limit |
Limit for number of items to return for list results, e.g. a limit of 10 returns items 1 through 10 |
|
reading.offset |
Starting offset for list results, e.g. a limit of 10, and offset of 10 returns items 11 through 20 |
|
reading.until |
A Unix timestamp or strtotime data value that points to the end of the range of time-based data |
|
reading.since |
A Unix timestamp or strtotime data value that points to the start of the range of time-based data |
|
reading.locale |
Retrieve localized content in a particular locale, specified as a String with the format language[,country][,variant] |
|
reading.with |
Retrieve information about objects that have location information attached, set it to true |
|
reading.metadata |
Use Facebook Graph API Introspection to retrieve object metadata, set it to true |
|
reading.filter |
User's stream filter key. See https://developers.facebook.com/docs/technical-guides/fql |