Implementing the DataSource Methods

When implementing the methods of the DataSource class, consider these method types:

Required Methods

This table describes the DataSource methods that you must implement:

Method	Purpose
`clone`	Clone the data source object.
`getContentUrl`	Return the feed content URL.
`getDataSecurity`	Return the allowed list of viewer roles, permission lists, or both.
`isCurrentUserAuthorized`	Validate whether the current user has permission to view the feed.
`initializeSettings`	Initialize the data source setting collection and other class properties.
`processSettingsChange`	Validate data source setting values and generate a data source parameter list accordingly.
`execute`	Collect data based on user permissions and fill in the feed document.

Recommended Methods

This table describes the DataSource methods that you should consider implementing:

Method	Purpose
`isCurrentUserAdmin`	Validate whether the current user has permission to administer the feed.
`copyProperties`	The clone method uses protected methods for copying class properties.

Optional Methods

This table describes the DataSource methods that you might consider implementing:

Method	Purpose
`onSave`	Perform tasks after saving the feed definition.
`onDelete`	Perform tasks before deleting the feed definition.
`getSettingDetail`	Return data source setting details as HTML.
`getParameterDetail`	Return data source parameter details as HTML.