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validation auxiliary methods #150

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19 changes: 19 additions & 0 deletions docs/validation.md
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Expand Up @@ -77,8 +77,27 @@ def invariantNameMustNotBeEmpty =
```
If a pre-condition is violated, Activate throws an InvariantViolationException.

### AUXILIARY METHODS

- **email** pattern

`protected def email(string: => String)`

- **not empty**

`protected def notEmpty[T](iterable: => Iterable[T])`

- **not null**

`protected def notNull(obj: => Any)`

- **unique**

`protected def unique(criterias: (this.type => Any)*)(implicit m: Manifest[this.type])`


## INVARIANTS LIFECYCLE ##

It’s possible to define validation options globally, by transaction, by thread or by entity instance. The available options are:

- **onCreate**
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