BayernMessenger/vector/src/main/java/im/vector/riotredesign/core/utils/RxStore.kt

38 lines
1.1 KiB
Kotlin

/*
* Copyright 2019 New Vector Ltd
*
* 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 im.vector.riotredesign.core.utils
import com.jakewharton.rxrelay2.BehaviorRelay
import io.reactivex.Observable
open class RxStore<T>(defaultValue: T? = null) {
private val storeSubject: BehaviorRelay<T> = if (defaultValue == null) {
BehaviorRelay.create<T>()
} else {
BehaviorRelay.createDefault(defaultValue)
}
fun observe(): Observable<T> {
return storeSubject.hide().distinctUntilChanged()
}
fun post(value: T) {
storeSubject.accept(value)
}
}