java - How to use @Size validation while using Float field with javax library? -

java - How to use @Size validation while using Float field with javax library? -

i trying utilize maximum size validation float datatype javax validations. here example

@notnull @size(min = 5, max = 10) public float getphone(){ }

but getting error can't utilize size validation float datatype. ideas?

@size not work float types. quote javadocs of constraint:

/** * annotated element size must between specified boundaries (included). * <p/> * supported types are: * <ul> * <li>{@code charsequence} (length of character sequence evaluated)</li> * <li>{@code collection} (collection size evaluated)</li> * <li>{@code map} (map size evaluated)</li> * <li>array (array length evaluated)</li> * </ul> * <p/> * {@code null} elements considered valid. * */

so constraints size of string or collection. write own validator float , register via xml - see http://beanvalidation.org/1.1/spec/#xml-mapping-constraintdefinition

however, recommend against it, since not create sense speak "size" in context want utilize it.

you utilize @min , @max, not providers back upwards float info type, due problem of rounding.

looking @ example, seems want store phone number. why ever take float begin with?

java validation hibernate-validator