Class ClassExtractor

Direct Known Subclasses:

public abstract class ClassExtractor extends 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:
  • Constructor Details

    • ClassExtractor

      public ClassExtractor()
  • Method Details

    • extractClassFromRow

      public abstract 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.
    • initialize

      public void initialize(ClassDescriptor descriptor, Session session) throws DescriptorException
      Allow for any initialization.