DefaultValueCalculator (OpenXava 7.3 API)

```
@Retention(RUNTIME)
@Target({FIELD,METHOD})
public @interface DefaultValueCalculator
```
For calculating its initial value.
Applies to properties and references.
With @DefaultValueCalculator you can associate logic to a property or reference. This calculator is for calculating its initial value.
For example:
```
  @DefaultValueCalculator(CurrentYearCalculator.class)
  private int year;
 
```
In this case when the user tries to create a new Invoice (for example) he will find that the year field already has a value, that he can change if he wants to do.
Author:

Javier Paniza

- Required Element Summary
  
  Required Elements
  Modifier and Type Required Element Description
  
  java.lang.Class value
  Class with the logic for calculating the initial value, must implements ICalculator.
- Optional Element Summary
  
  Optional Elements
  Modifier and Type Optional Element Description
  
  PropertyValue[] properties
  Inject values to the properties of the calculator before calculating.

- Element Detail
  - value
```
java.lang.Class value
```
    Class with the logic for calculating the initial value, must implements ICalculator.
- - properties
```
PropertyValue[] properties
```
    Inject values to the properties of the calculator before calculating.
    
    Default:
    
    {}