forked from GitHub-Mirror/riotX-android
70 lines
2.0 KiB
Kotlin
70 lines
2.0 KiB
Kotlin
/*
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* Copyright 2019 New Vector Ltd
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package im.vector.matrix.android.internal.util
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import arrow.core.Try
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import com.zhuinden.monarchy.Monarchy
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import io.realm.Realm
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import io.realm.RealmModel
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import java.util.concurrent.atomic.AtomicReference
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internal fun Monarchy.tryTransactionSync(transaction: (realm: Realm) -> Unit): Try<Unit> {
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return Try {
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this.runTransactionSync(transaction)
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}
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}
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internal fun Monarchy.tryTransactionAsync(transaction: (realm: Realm) -> Unit): Try<Unit> {
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return Try {
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this.writeAsync(transaction)
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}
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}
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fun <T : RealmModel> Monarchy.fetchManaged(query: (Realm) -> T?): T? {
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return fetch(query, false)
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}
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fun <T : RealmModel> Monarchy.fetchCopied(query: (Realm) -> T?): T? {
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return fetch(query, true)
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}
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fun <U, T : RealmModel> Monarchy.fetchMappedCopied(query: (Realm) -> T?, map: (T, realm: Realm) -> U): U? {
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val ref = AtomicReference<U?>()
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doWithRealm { realm ->
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val result = query.invoke(realm)?.let {
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map(realm.copyFromRealm(it), realm)
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}
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ref.set(result)
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}
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return ref.get()
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}
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private fun <T : RealmModel> Monarchy.fetch(query: (Realm) -> T?, copyFromRealm: Boolean): T? {
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val ref = AtomicReference<T>()
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doWithRealm { realm ->
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val result = query.invoke(realm)?.let {
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if (copyFromRealm) {
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realm.copyFromRealm(it)
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} else {
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it
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}
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}
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ref.set(result)
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}
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return ref.get()
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}
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