org.fopps.model
Interface Validator

All Known Implementing Classes:

MinMaxValidator

public interface Validator

Validator is the base interface for all validators. It is used by {}@link NumericFeature} to ensure valid values.

Method Summary

boolean	check(java.lang.Number pNumber) Checks given value agaisnt the validator's rules.
java.lang.Number	firstValue() Returns the first valid number of the validator.

Method Detail

check

public boolean check(java.lang.Number pNumber)
              throws ValidatorException

Checks given value agaisnt the validator's rules.

Throws:

ValidatorException, - if value is invalid

ValidatorException

firstValue

public java.lang.Number firstValue()

Returns the first valid number of the validator. This is useful to set an initial value.