io.realm

Interface MapChangeSet<T>

public interface MapChangeSet<T>

This interface describes the changes made to a map during the last update.

MapChangeSet is passed to the MapChangeListener which is registered by RealmMap.addChangeListener(MapChangeListener).

Method Summary

Modifier and Type	Method and Description
T[]	getChanges() Array containing the keys that have been modified in the previous version of the map.
T[]	getDeletions() The number of entries that have been deleted in the previous version of the map.
T[]	getInsertions() Array containing the keys that have been inserted in the previous version of the map.
boolean	isEmpty() Whether the change set is empty or not.

Method Detail

getDeletions

T[] getDeletions()

The number of entries that have been deleted in the previous version of the map.

Returns:

array with the keys that have been deleted.

getInsertions

T[] getInsertions()

Array containing the keys that have been inserted in the previous version of the map.

Returns:

array with the keys that have been inserted.

getChanges

T[] getChanges()

Array containing the keys that have been modified in the previous version of the map.

Returns:

array with the keys that have been modified.

isEmpty

boolean isEmpty()

Whether the change set is empty or not. This is needed to detect whether a notification has been triggered right after subscription.

Returns:

whether the change set contains changes.