# Uses of Interface
org.apache.cayenne.util.EntityMergeListener

Packages that use EntityMergeListener
Package
Description
org.apache.cayenne.util
General utility classes.

- ## Uses of EntityMergeListener in org.apache.cayenne.util

  Classes in org.apache.cayenne.util that implement EntityMergeListener
  Modifier and Type
  Class
  Description
  `class`
  `DeleteRuleUpdater`
  DeleteRuleUpdater is responsible for auto-setting delete rules for object relationships
  Methods in org.apache.cayenne.util that return EntityMergeListener
  Modifier and Type
  Method
  Description
  `static EntityMergeListener`
  DeleteRuleUpdater.`getEntityMergeListener()`
  Returns EntityMergeListener instance, which can set delete rule at relationship change