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Realm Coroutines
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| import io.realm.* | |
| import io.realm.kotlin.where | |
| import kotlinx.coroutines.GlobalScope | |
| import kotlinx.coroutines.launch | |
| import kotlinx.coroutines.suspendCancellableCoroutine | |
| import kotlin.coroutines.resume | |
| import kotlin.coroutines.resumeWithException | |
| private suspend fun <T: RealmObject, S: RealmQuery<T>> findAllAwait(query: S): RealmResults<T> = suspendCancellableCoroutine { continuation -> | |
| val listener = RealmChangeListener<RealmResults<T>> { t -> continuation.resume(t) } | |
| query.findAllAsync().addChangeListener(listener) | |
| } | |
| private suspend fun <T: RealmObject, S: RealmQuery<T>> findFirstAwait(query: S): T? = suspendCancellableCoroutine { continuation -> | |
| val listener = RealmChangeListener { t: T? -> continuation.resume(t) } | |
| query.findFirstAsync().addChangeListener(listener) | |
| } | |
| private suspend fun executeAsync(realm: Realm, block: (Realm) -> Unit): Unit = suspendCancellableCoroutine { continuation -> | |
| realm.executeTransactionAsync({ block(it) }, { continuation.resume(Unit) }, { continuation.resumeWithException(it) }) | |
| } | |
| suspend fun <S: RealmObject> RealmQuery<S>.await() = findAllAwait(this) | |
| suspend fun <S: RealmObject> RealmQuery<S>.awaitFirst() = findFirstAwait(this) | |
| suspend fun Realm.transactAwait(block: (Realm) -> Unit) = executeAsync(this, block) | |
| class TestObject(val name: String? = "") : RealmObject() | |
| fun test() { | |
| GlobalScope.launch { | |
| val realm = Realm.getDefaultInstance() | |
| val result = realm.where<TestObject>().awaitFirst() | |
| val results = realm.where<TestObject>().await() | |
| realm.transactAwait(Realm.Transaction { | |
| val testObject = TestObject(name = "Some Test") | |
| it.copyToRealm(testObject) | |
| }) | |
| } | |
| } |
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cool thanks for sharing