OSID - osid.course.requisite.CredentialRequirementList Service Interface Definition

Interface	osid.course.requisite.CredentialRequirementList
Implements	`osid.OsidList`
Used By	`osid.course.requisite.RequisiteLookupSession`
Description	Like all `OsidLists`, `CredentialRequirementList` provides a means for accessing `CredentialRequirement` elements sequentially either one at a time or many at a time. Examples: while (crl.hasNext()) { CredentialRequirement req = crl.getNextCredentialRequirement(); } or while (crl.hasNext()) { CredentialRequirement[] reqs = crl.getNextCredentialRequirements(crl.available()); }
Method	getNextCredentialRequirement
Description	Gets the next `CredentialRequirement` in this list.
Return	`osid.course.requisite.CredentialRequirement`		the next `CredentialRequirement` in this list. The `hasNext()` method should be used to test that a next `CredentialRequirement` is available before calling this method.
Errors	ILLEGAL_STATE		no more elements available in this list
Errors	OPERATION_FAILED		unable to complete request
Compliance	`mandatory`		This method must be implemented.
Method	getNextCredentialRequirements
Description	Gets the next set of `CredentialRequirement` elements in this list. The specified amount must be less than or equal to the return from `available()`.
Parameters	`cardinal`	`n`	the number of `CredentialRequirement` elements requested which must be less than or equal to `available()`
Return	`osid.course.requisite.CredentialRequirement[]`		an array of `CredentialRequirement` elements. The length of the array is less than or equal to the number specified.
Errors	ILLEGAL_STATE		no more elements available in this list
Errors	OPERATION_FAILED		unable to complete request
Compliance	`mandatory`		This method must be implemented.