OSID - osid.recipe.IngredientList Service Interface Definition

Interface	osid.recipe.IngredientList
Implements	`osid.OsidList`
Used By	`osid.recipe.Direction`
Description	Like all `OsidLists`, `IngredientList` provides a means for accessing `Ingredient` elements sequentially either one at a time or many at a time. Examples: while (il.hasNext()) { Ingredient ingredient = il.getNextIngredient(); } or while (il.hasNext()) { Ingredient[] ingredients = il.getNextIngredients(il.available()); }
Method	getNextIngredient
Description	Gets the next `Ingredient` in this list.
Return	`osid.recipe.Ingredient`		the next `Ingredient` in this list. The `hasNext()` method should be used to test that a next `Ingredient` 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	getNextIngredients
Description	Gets the next set of `Ingredient` elements in this list. The specified amount must be less than or equal to the return from `available()`.
Parameters	`cardinal`	`n`	the number of `Ingredient` elements requested which must be less than or equal to `available()`
Return	`osid.recipe.Ingredient[]`		an array of `Ingredient` 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.