OSID - osid.hierarchy.HierarchySearchOrder Service Interface Definition

Interface	osid.hierarchy.HierarchySearchOrder
Implements	`osid.OsidCatalogSearchOrder`
Description	An interface for specifying the ordering of search results.
Method	getHierarchySearchOrderRecord
Description	Gets the hierarchy search order record corresponding to the given hierarchy record `Type.` Multiple retrievals return the same underlying object.
Parameters	`osid.type.Type`	`hierarchyRecordType`	a hierarchy record type
Return	`osid.hierarchy.records.HierarchySearchOrderRecord`		the hierarchy search order record
Errors	NULL_ARGUMENT		`hierarchyRecordType` is `null`
	OPERATION_FAILED		unable to complete request
	UNSUPPORTED		`hasRecordType(hierarchyRecordType)` is `false`
Compliance	`mandatory`		This method must be implemented.