# com.bea.commerce.ebusiness.price.engine
DiscountCalculator Interface

public interface DiscountCalculator

The DiscountCalculator will produce the new price of an entity (item, order shipping, ...) given a DiscountModifier instance and an entity. DiscountModifier is used by a DiscountCalculator to determine to what amount an entity should be discounted. This class should be implemented to produce a particular type of calculator. A specific DiscountCalculator implementation will be associated with a particular type or types of DiscountModifier classes at runtime.

All Known Implementing Classes
  `AbstractDiscountCalculator`

## Field Summary

`public static final `String`` | `calcMethod` String

## Method Summary

`public void` | `calcNewPrice`(`DiscountModifier` modifier, `AdjustmentType` type, `QualificationDiscountId` discountID, `String` reason, `PoolObject` item)
`public void` | `calcNewPrice`(`DiscountModifier` modifier, `AdjustmentType` type, `QualificationDiscountId` discountID, `String` reason, `List` items) List of PoolObject(s).

## Field Detail

### calcMethod

    public static final String calcMethod

## Method Detail

### calcNewPrice(DiscountModifier, AdjustmentType, QualificationDiscountId, String, PoolObject) Method

    public void calcNewPrice(DiscountModifier modifier,
                             AdjustmentType type,
                             QualificationDiscountId discountID,
                             String reason,
                             PoolObject item)

### calcNewPrice(DiscountModifier, AdjustmentType, QualificationDiscountId, String, List) Method

    public void calcNewPrice(DiscountModifier modifier,
                             AdjustmentType type,
                             QualificationDiscountId discountID,
                             String reason,
                             List items)

List of PoolObject(s).