How to use

isComposite

method

in

org.hibernate.cfg.beanvalidation.TypeSafeActivator

@SuppressWarnings("unchecked")
private static boolean applyNotNull(PersistentAttributeMapping property, ConstraintDescriptor<?> descriptor) {
  boolean hasNotNull = false;
  if ( NotNull.class.equals( descriptor.getAnnotation().annotationType() ) ) {
    // single table inheritance should not be forced to null due to shared state
    if ( !( property.getEntity() instanceof SingleTableSubclass ) ) {
      //composite should not add not-null on all columns
      if ( !isComposite( property ) ) {
        List<MappedColumn> mappedColumns = property.getValueMapping().getMappedColumns();
        mappedColumns.forEach( mappedColumn -> {
          if ( Column.class.isInstance( mappedColumn ) ) {
            Column.class.cast( mappedColumn ).setNullable( false );
          }
          else {
            LOG.debugf(
                "@NotNull was applied to attribute [%s] which is defined (at least partially) " +
                    "by formula(s); formula portions will be skipped",
                property.getName()
            );
          }
        } );
      }
    }
    hasNotNull = true;
  }
  return hasNotNull;
}

if ( !isComposite( property) ) {
  return null;
if ( !isComposite(property) ) {
  return null;

    propertyDesc.getConstraintDescriptors(), property, propertyDesc, groups, activateNotNull, dialect
);
if ( isComposite( property ) && propertyDesc.isCascaded() ) {
  Class<?> componentClass = ( (Component) property.getValueMapping() ).getComponentClass();