function validateValues( callback ) { validator.validate( that ) .then( callback ) .catch( function( err ) { callback( new Exceptions.ModelValidation( err ) ); }); },
function validateValues( callback ) { that.debug( 'validate(' + JSON.stringify( data ) + ')' ); validator.validate( that, data ) .then( callback ) .catch( callback ); },
function validateValues( callback ) { that.debug( 'validate()' ); validator.validate( that, data ) .then( callback ) .catch( function( err ) { callback( new Exceptions.ModelValidation( err ) ); }); },
function validateValues( callback ) { validator.validate( that ) .then( callback ) .catch( callback ); },