OSID - osid.authorization.FunctionList Service Interface Definition

Interface	osid.authorization.FunctionList
Implements	`osid.OsidList`
Used By	`osid.authorization.FunctionLookupSession`
	`osid.authorization.FunctionQuerySession`
	`osid.authorization.FunctionSearchResults`
	`osid.authorization.FunctionVaultSession`
Description	Like all `OsidLists`, `FunctionList` provides a means for accessing `Function` elements sequentially either one at a time or many at a time. Examples: while (fl.hasNext()) { Function function = fl.getNextFunction(); } or while (fl.hasNext()) { Function[] functions = fl.getNextFunctions(fl.available()); }
Method	getNextFunction
Description	Gets the next `Function` in this list.
Return	`osid.authorization.Function`		the next `Function` in this list. The `hasNext()` method should be used to test that a next `Function` 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	getNextFunctions
Description	Gets the next set of `Function` elements in this list which must be less than or equal to the number returned from `available()`.
Parameters	`cardinal`	`n`	the number of `Function` elements requested which should be less than or equal to `available()`
Return	`osid.authorization.Function[]`		an array of `Function` 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.