OSID - osid.OsidRelationshipSearchOrder Service Interface Definition

Interface	osid.OsidRelationshipSearchOrder
Implements	`osid.OsidObjectSearchOrder`
Implements	`osid.OsidTemporalSearchOrder`
Description	An interface for specifying the ordering of search results.
Method	orderByEndReason
Description	Specifies a preference for ordering the results by the end reason state.
Parameters	`osid.SearchOrderStyle`	`style`	search order style
Errors	NULL_ARGUMENT		`style` is `null`
Compliance	`mandatory`		This method must be implemented.
Method	supportsEndReasonSearchOrder
Description	Tests if a `StateSearchOrder` is available.
Return	`boolean`		`true` if a state search order is available, `false` otherwise
Compliance	`mandatory`		This method must be implemented.
Method	getEndReasonSearchOrder
Description	Gets the search order for a state.
Return	`osid.process.StateSearchOrder`		the state search order
Errors	UNIMPLEMENTED		`supportsEndReasonSearchOrder()` is `false`
Compliance	`optional`		This method must be implemented if `supportsEndReasonSearchOrder()` is `true.`