org.apache.cayenne.commitlog.model

Interface ChangeMap

All Known Implementing Classes:

MutableChangeMap

public interface ChangeMap

Represents a map of changes for a graph of persistent objects.

Since:

4.0

Method Summary

Modifier and Type	Method and Description
Map<ObjectId,? extends ObjectChange>	getChanges() Returns a map of changes.
Collection<? extends ObjectChange>	getUniqueChanges()

Method Detail

getChanges

Map<ObjectId,? extends ObjectChange> getChanges()

Returns a map of changes. Note the same change sometimes can be present in the map twice. If ObjectId of an object has changed during the commit, the change will be accessible by both pre-commit and post-commit ID. To get unique changes, call getUniqueChanges().

getUniqueChanges

Collection<? extends ObjectChange> getUniqueChanges()