| java.lang.Object
 org.mandarax.examples.db.Discount
| Discount | | public class Discount implements java.io.Serializable(Code) | | Discount. A discount can be given in percent (relative
discount) or in $ (absolute discount). This class is a very simple business object type
and shows how (arbitrary) objects are integrated. Being serializable is not required but recommended to support
technologies such as Serialization, RMI and EJB.
since:
2.2
author:
Jens Dietrich
version:
3.4 <7 March 05> |
| Constructor Summary | |
| public | Discount()
Constructor. | | public | Discount(double d)
Constructor. | | public | Discount(double d, boolean rel)
Constructor. |
| Method Summary | |
| public double | apply(double amount)
Apply the discount to an amount. | | public double | getRate()
Get the rate. | | public boolean | isRelative()
Indicates whether the discount is relative. | | public void | setRate(double r)
Set the rate. | | public void | setRelative(boolean flag)
Set the relative property. | | public String | toString()
Convert the object to a string. |
| Discount | | public Discount()(Code) | | Constructor.
|
| Discount | | public Discount(double d)(Code) | | Constructor. The discount will be relative (a percentage)
Parameters:
d - the discount |
| Discount | | public Discount(double d, boolean rel)(Code) | | Constructor. The discount will be relative (a percentage)
Parameters:
d - the discount
Parameters:
rel - - if true, the discount will be relative (a percentage),if false, the discount will be absolute (an amount of US $) |
| apply | | public double apply(double amount)(Code) | | Apply the discount to an amount.
the final amount (-discount)
Parameters:
amount - an amount |
| getRate | | public double getRate()(Code) | | Get the rate.
the discount rate (either an absolute amount or a percentage value) |
| isRelative | | public boolean isRelative()(Code) | | Indicates whether the discount is relative.
true if the discount is a percentage, false otherwise (= if it is an absolute amount) |
| setRate | | public void setRate(double r)(Code) | | Set the rate.
Parameters:
r - a value |
| setRelative | | public void setRelative(boolean flag)(Code) | | Set the relative property.
Parameters:
flag - true if this should be a percentage value, false otherwise |
| toString | | public String toString()(Code) | | Convert the object to a string.
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