# Package org.apache.cayenne.configuration.xml

- Interface Summary
  Interface | Description
  --- | ---
  DataChannelLoaderListener |
  DataChannelMetaData | Storage for all kind of meta data that is not required for runtime.
  DataMapLoaderListener |
  HandlerFactory | Factory that creates handlers for unparsed elements.

- Class Summary
  Class | Description
  --- | ---
  DataMapHandler |
  DbEntityHandler |
  DbKeyGeneratorHandler |
  DbRelationshipHandler |
  DefaultDataChannelMetaData | Default implementation of `DataChannelMetaData` that stores data in Map.
  DefaultHandlerFactory |
  EmbeddableAttributeHandler |
  EmbeddableHandler |
  LoaderContext |
  NamespaceAwareNestedTagHandler | Base class for handlers that can delegate execution of unknown tags to handlers produced by factory.
  NoopDataChannelMetaData | Noop implementation of `DataChannelMetaData`.
  ObjEntityHandler |
  ObjRelationshipHandler |
  ProcedureHandler |
  QueryDescriptorHandler |
  RootDataMapHandler |
  SAXNestedTagHandler | A superclass of nested tag handlers for parsing of XML documents with SAX.
  VersionAwareHandler | Handler that can validate root tag name, version and namespace.
  XMLDataChannelDescriptorLoader |
  XMLDataMapLoader |
  XMLReaderProvider |