androidMain.io.realm.internal.PlatformHelper.kt Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of library Show documentation

Library code for Realm Kotlin. This artifact is not supposed to be consumed directly, but through 'io.realm.kotlin:gradle-plugin:0.4.1' instead.

There is a newer version: 0.5.0

Show newest version

/*
 * Copyright 2021 Realm Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package io.realm.internal

import android.os.Handler
import android.os.HandlerThread
import io.realm.log.RealmLogger
import kotlinx.coroutines.CoroutineDispatcher
import kotlinx.coroutines.CoroutineScope
import kotlinx.coroutines.android.asCoroutineDispatcher
import kotlin.coroutines.CoroutineContext

actual object PlatformHelper {

    // Returns the root directory of the platform's App data
    actual fun appFilesDirectory(): String = RealmInitializer.filesDir.absolutePath

    // Returns the default logger for the platform
    actual fun createDefaultSystemLogger(tag: String): RealmLogger = LogCatLogger(tag)
}

actual fun singleThreadDispatcher(id: String): CoroutineDispatcher {
    val thread = HandlerThread("RealmWriter[$id]")
    thread.start()
    return Handler(thread.looper).asCoroutineDispatcher()
}

// FIXME All of the below is common with Android. Should be aligned in separate source set but
//  that is already tracked by https://github.com/realm/realm-kotlin/issues/175

// Expose platform runBlocking through common interface
public actual fun  runBlocking(context: CoroutineContext, block: suspend CoroutineScope.() -> T): T {
    return kotlinx.coroutines.runBlocking(context, block)
}

actual fun threadId(): ULong {
    return Thread.currentThread().id.toULong()
}

actual fun  T.freeze(): T = this

actual val  T.isFrozen: Boolean
    get() = false

actual fun Any.ensureNeverFrozen() {}

actual typealias WeakReference = java.lang.ref.WeakReference