OSID - osid.workflow.rules.StepConstrainer Service Interface Definition

Interface	osid.workflow.rules.StepConstrainer
Implements	`osid.OsidConstrainer`
Description	A `StepConstrainer` describes the rules for constraining the workflow requests in a step.
Method	getStepConstrainerRecord
Description	Gets the step constrainer record corresponding to the given `StepConstrainer` record `Type.` This method is used to retrieve an object implementing the requested record. The `stepConstrainerRecordType` may be the `Type` returned in `getRecordTypes()` or any of its parents in a `Type` hierarchy where `hasRecordType(stepConstrainerRecordType)` is `true` .
Parameters	`osid.type.Type`	`stepConstrainerRecordType`	the type of step constrainer record to retrieve
Return	`osid.workflow.rules.records.StepConstrainerRecord`		the step constrainer record
Errors	NULL_ARGUMENT		`stepConstrainerRecordType` is `null`
	OPERATION_FAILED		unable to complete request
	UNSUPPORTED		`hasRecordType(stepConstrainerRecordType)` is `false`
Compliance	`mandatory`		This method must be implemented.