OSID - osid.OsidRuleSearchOrder Service Interface Definition

Interface	osid.OsidRuleSearchOrder
Implements	`osid.OsidObjectSearchOrder`
Implements	`osid.OsidOperableSearchOrder`
Description	An interface for specifying the ordering of search results.
Method	orderByRule
Description	Specifies a preference for ordering the results by the associated rule. The element of the rule to order is not specified but may be managed through a `RuleSearchOrder.`
Parameters	`osid.SearchOrderStyle`	`style`	search order style
Errors	NULL_ARGUMENT		`style` is `null`
Compliance	`mandatory`		This method must be implemented.
Method	supportsRuleSearchOrder
Description	Tests if a `RuleSearchOrder` is available.
Return	`boolean`		`true` if a rule search order is available, `false` otherwise
Compliance	`mandatory`		This method must be implemented.
Method	getRuleSearchOrder
Description	Gets the search order for a rule.
Return	`osid.rules.RuleSearchOrder`		the rule search order
Errors	UNIMPLEMENTED		`supportsRuleSearchOrder()` is `false`
Compliance	`optional`		This method must be implemented if `supportsRuleSearchOrder()` is `true.`