Package io.realm.rx

Class CollectionChange<E extends OrderedRealmCollection>

java.lang.Object

io.realm.rx.CollectionChange<E>

public class CollectionChange<E extends OrderedRealmCollection>
extends Object

Container wrapping the result of a OrderedRealmCollectionChangeListener being triggered.

This is used by RealmResults.asChangesetObservable()} and RealmList.asChangesetObservable() as RxJava is only capable of emitting one item, not multiple.

Constructor Summary

Constructors

Constructor	Description
CollectionChange(E collection, OrderedCollectionChangeSet changeset)	Constructor for a CollectionChange.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
OrderedCollectionChangeSet	getChangeset()	Returns the changeset describing the update.
E	getCollection()	Returns the collection that was updated.
int	hashCode()

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CollectionChange

public CollectionChange(E collection,
                        @Nullable
                        OrderedCollectionChangeSet changeset)

Constructor for a CollectionChange.

Parameters:

collection - the collection that changed.

changeset - the changeset describing the change.

Method Detail

getCollection

public E getCollection()

Returns the collection that was updated.

Returns:

collection that was updated.

getChangeset

@Nullable
public OrderedCollectionChangeSet getChangeset()

Returns the changeset describing the update.

This will be null the first time the stream emits the collection as well as when a asynchronous query is loaded for the first time.

 
 // Example
 realm.where(Person.class).findAllAsync().asChangesetObservable()
   .subscribe(new Consumer<CollectionChange>() {
    \@Override
     public void accept(CollectionChange item) throws Exception {
       item.getChangeset(); // Will return null the first two times
   }
 });
 
 

Returns:

the changeset describing how the collection was updated.

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object