Package org.apache.cayenne.util

## Class DeepMergeOperation

- java.lang.Object
- - org.apache.cayenne.util.DeepMergeOperation

-     public class DeepMergeOperation
      extends Object

  An operation that merges changes from an object graph, whose objects are registered in some ObjectContext, to peer objects in an ObjectConext that is a child of that context. The merge terminates at hollow nodes in the parent context to avoid tripping over unresolved relationships.
  Since:
    1.2

- - ### Constructor Summary

    Constructors
    Constructor | Description
    --- | ---
    `DeepMergeOperation​(ObjectContext context)` |

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method | Description
    --- | --- | ---
    `<T extends Persistent> T` | `merge​(T peerInParentContext)` |

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### DeepMergeOperation

          public DeepMergeOperation​(ObjectContext context)

  - ### Method Detail

    - #### merge

          public <T extends Persistent> T merge​(T peerInParentContext)