OSID - osid.rules.Engine Service Interface Definition

Interface	osid.rules.Engine
Implements	`osid.OsidCatalog`
Description	An `Engine` represents a collection of rules. Like all OSID objects, an `Engine` is identified by its `Id` and any persisted references should use the `Id.`
Method	getEngineRecord
Description	Gets the engine record corresponding to the given `Engine` record `Type.` This method is used to retrieve an object implementing the requested record. The `engineRecordType` may be the `Type` returned in `getRecordTypes()` or any of its parents in a `Type` hierarchy where `hasRecordType(engineRecordType)` is `true` .
Parameters	`osid.type.Type`	`engineRecordType`	the type of engine record to retrieve
Return	`osid.rules.records.EngineRecord`		the engine record
Errors	NULL_ARGUMENT		`engineRecordType` is `null`
	OPERATION_FAILED		unable to complete request
	UNSUPPORTED		`hasRecordType(engineRecordType)` is `false`
Compliance	`mandatory`		This method must be implemented.