Examples with DynamicRealm io.realm.DynamicRealm used on opensource projects

Example 11 with DynamicRealm

use of io.realm.DynamicRealm in project realm-java by realm.

the class RealmObservableFactory method from.

@Override
public Flowable<DynamicRealm> from(DynamicRealm realm) {
    if (realm.isFrozen()) {
        return Flowable.just(realm);
    }
    final RealmConfiguration realmConfig = realm.getConfiguration();
    Scheduler scheduler = getScheduler();
    return Flowable.create(new FlowableOnSubscribe<DynamicRealm>() {

        @Override
        public void subscribe(final FlowableEmitter<DynamicRealm> emitter) throws Exception {
            // Instance is cached by Realm, so no need to keep strong reference
            final DynamicRealm observableRealm = DynamicRealm.getInstance(realmConfig);
            final RealmChangeListener<DynamicRealm> listener = new RealmChangeListener<DynamicRealm>() {

                @Override
                public void onChange(DynamicRealm realm) {
                    if (!emitter.isCancelled()) {
                        emitter.onNext(returnFrozenObjects ? realm.freeze() : realm);
                    }
                }
            };
            observableRealm.addChangeListener(listener);
            // Cleanup when stream is disposed
            emitter.setDisposable(Disposables.fromRunnable(new Runnable() {

                @Override
                public void run() {
                    if (!observableRealm.isClosed()) {
                        observableRealm.removeChangeListener(listener);
                        observableRealm.close();
                    }
                }
            }));
            // Emit current value immediately
            emitter.onNext(returnFrozenObjects ? observableRealm.freeze() : observableRealm);
        }
    }, BACK_PRESSURE_STRATEGY).subscribeOn(scheduler).unsubscribeOn(scheduler);
}