How to use

addConstraintToColumns

method

in

org.hibernate.cfg.IndexOrUniqueKeySecondPass

addConstraintToColumns( columns );

@Override
public void doSecondPass(Map persistentClasses) throws MappingException {
  if ( columns != null ) {
    for ( int i = 0; i < columns.length; i++ ) {
      addConstraintToColumn( columns[i] );
    }
  }
  if ( column != null ) {
    this.table = column.getTable();
    final PropertyHolder propertyHolder = column.getPropertyHolder();
    String entityName = ( propertyHolder.isComponent() ) ?
        propertyHolder.getPersistentClass().getEntityName() :
        propertyHolder.getEntityName();
    final PersistentClass persistentClass = (PersistentClass) persistentClasses.get( entityName );
    final Property property = persistentClass.getProperty( column.getPropertyName() );
    if ( property.getValue() instanceof Component ) {
      final Component component = (Component) property.getValue();
      final List<Column> columns = component.getMappedColumns().stream()
          .filter( Column.class::isInstance )
          .map(Column.class::cast )
          .collect( Collectors.toList() );
      addConstraintToColumns( columns );
    }
    else {
      addConstraintToColumn(
           column.getMappingColumn().getQuotedName() )
      ;
    }
  }
}