OSID - osid.ordering.rules.PriceEnabler Service Interface Definition

Interface	osid.ordering.rules.PriceEnabler
Implements	`osid.OsidEnabler`
Used By	`osid.ordering.rules.PriceEnablerAdminSession`
	`osid.ordering.rules.PriceEnablerList`
	`osid.ordering.rules.PriceEnablerLookupSession`
Description	A `PriceEnabler` describes the rules for making a `Price` effective.
Method	hasQuantityRange
Description	Tests if this price is restricted by quantity.
Return	`boolean`		`true` if this price has a quantity range, `false` if this price is the same for any quantity
Compliance	`mandatory`		This method must be implemented.
Method	getMinimumQuantity
Description	Gets the minium quantity for this price.
Return	`cardinal`		the quantity
Errors	ILLEGAL_STATE		`hasQuantityRange()` is `false`
Compliance	`mandatory`		This method must be implemented.
Method	getMaximumQuantity
Description	Gets the maximum quantity for this price.
Return	`cardinal`		the quantity
Errors	ILLEGAL_STATE		`hasQuantityRange()` is `false`
Compliance	`mandatory`		This method must be implemented.
Method	getPriceEnablerRecord
Description	Gets the price enabler record corresponding to the given `PriceEnabler` record `Type`. This method is used to retrieve an object implementing the requested record. The `priceEnablerRecordType` may be the `Type` returned in `getRecordTypes()` or any of its parents in a `Type` hierarchy where `hasRecordType(priceEnablerRecordType)` is `true`.
Parameters	`osid.type.Type`	`priceEnablerRecordType`	the type of price enabler record to retrieve
Return	`osid.ordering.rules.records.PriceEnablerRecord`		the price enabler record
Errors	NULL_ARGUMENT		`priceEnablerRecordType` is `null`
	OPERATION_FAILED		unable to complete request
	UNSUPPORTED		`hasRecordType(priceEnablerRecordType)` is `false`
Compliance	`mandatory`		This method must be implemented.