ConstraintRule (rxmicro-validation 0.1 API)

@Documented
@Retention(RUNTIME)
@Target(ANNOTATION_TYPE)
public @interface ConstraintRule

Use this annotation to define custom validator

Author:: nedis

- Required Element Summary
  
  Required Elements
  Modifier and Type Required Element Description
  
  Class<?>[] supportedTypes
  
  Class<? extends ConstraintValidator>[] validatorClass

- Element Detail
  - supportedTypes
```
Class<?>[] supportedTypes
```
    Returns:
    
    all supported types, which can be validated by constraint annotation
- - validatorClass
```
Class<? extends ConstraintValidator>[] validatorClass
```
    Returns:
    
    ConstraintValidator class per each supported type, i.e. supportedTypes.length must be equal to validatorClass.length, otherwise compile error will be throw