FieldComplexValidator (main 0.1.77-jooq-3.10.4 API)

Type Parameters:

E - entity type

T - data type of the field being validated

All Superinterfaces:

ChangeValidator
```
public interface FieldComplexValidator<E extends EntityType<E>,T>
extends ChangeValidator
```
A validator that checks one field and uses parent entity fields for the verification. For instance, a validator that checks that a bid doesn't exceed campaign budget, would implement this interface.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`java.util.stream.Stream<EntityField<?,?>>`	`fetchFields()`
`ValidationError`	`validate(T fieldValue, CurrentEntityState currentState)`	Called by the framework to validate the value.
`EntityField<E,T>`	`validatedField()`

- Method Detail
  - validatedField
```
EntityField<E,T> validatedField()
```
    Returns:
    
    the field validated by this validator
  - validate
```
ValidationError validate(T fieldValue,
                         CurrentEntityState currentState)
```
    Called by the framework to validate the value. The implementation can query the entity only for the fields it has declared in fetchFields().
    
    Parameters:
    
    fieldValue - new value of the field
    
    currentState - existing entity
    
    Returns:
    
    a validation error if any, null if none
  - fetchFields
```
java.util.stream.Stream<EntityField<?,?>> fetchFields()
```
    Returns:
    
    a list of fields to fetch. Can contain only parent entities fields.