Class ClassExtractor

  • Direct Known Subclasses:
    MethodClassExtractor

    public abstract class ClassExtractor
    extends java.lang.Object

    Purpose: Abstract class to allow complex inheritance support. Typically class indicators are used to define inheritance in the database, however in complex cases the class type may be determined through another mechanism. The class extractor must be able to determine and return the class type from the database row.

    See Also:
    InheritancePolicy.setClassExtractor(ClassExtractor)
    • Constructor Detail

      • ClassExtractor

        public ClassExtractor()
    • Method Detail

      • extractClassFromRow

        public abstract java.lang.Class extractClassFromRow​(Record databaseRow,
                                                            Session session)
        Extract/compute the class from the database row and return the class. Map is used as the public interface to database row, the key is the field name, the value is the database value.