[hibernate-issues] [Hibernate-JIRA] Commented: (HV-274) Write a programmatic mapping API for constraint declarations

[ http://opensource.atlassian.com/projects/hibernate/browse/HV-274?page=com... ] Hardy Ferentschik commented on HV-274: -------------------------------------- Here is a first draft on how this could look like. Entry point would be {{HibernateValidatorConfiguration}} {noformat} public void testProgrammaticApi() { HibernateValidatorConfiguration config = ( HibernateValidatorConfiguration ) TestUtil.getConfiguration(); // class constraint config.addConstraint( ShoppingCartConstraint.class ) .forGroups( Group1.class ) .onType( ShoppingCart.class ); // field constraint config.addConstraint( Size.class ) .withMessage( "foo" ) .andPayload( DummyPayload.class ) .andParameter( "min", 0 ) .andParameter( "max", 10 ) .onField( "items" ) .ofType( ShoppingCart.class ); // getter constraint config.addConstraint( Pattern.class ) .withParameter( "regexp", "[0-9]{10}" ) .onGetter( "cartNo" ) .ofType( ShoppingCart.class ); } public interface Group1 { } public class DummyPayload implements Payload { } {noformat} Maybe it would be worth to define a {{ConstraintParameter}} class (basically a key/value pair wrapper) and then have a {{withParameters(ConstraintParameter... parameters)}} vararg method. This is not a 100% type safe approach. To get type-safety one would need meta classes listing the properties of each class similar to the JPA 2 typesafe criteria query. I think we should aim for a simple first version though (which does not require any additional metadata generators) -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://opensource.atlassian.com/projects/hibernate/secure/Administrators.... - For more information on JIRA, see: http://www.atlassian.com/software/jira