# Uses of Interface
org.apache.cayenne.access.OperationHints

Packages that use OperationHints
Package
Description
org.apache.cayenne.access
Contains classes that make up Cayenne ORM stack.

- ## Uses of OperationHints in org.apache.cayenne.access

  Subinterfaces of OperationHints in org.apache.cayenne.access
  Modifier and Type
  Interface
  Description
  `interface`
  `OperationObserver`
  Defines a set of callback methods that allow `DataNode` to pass back query results and notify caller about exceptions.