com.uber.autodispose.AutoDisposingObserverImpl Maven / Gradle / Ivy

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Automatic binding+disposal of RxJava 2 streams.

There is a newer version: 1.4.1

/*
 * Copyright (C) 2017. Uber Technologies
 *
 * 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 com.uber.autodispose;

import com.uber.autodispose.observers.AutoDisposingObserver;
import io.reactivex.Maybe;
import io.reactivex.Observer;
import io.reactivex.disposables.Disposable;
import io.reactivex.observers.DisposableMaybeObserver;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicReference;

final class AutoDisposingObserverImpl extends AtomicInteger implements AutoDisposingObserver {

  @SuppressWarnings("WeakerAccess") // Package private for synthetic accessor saving
  final AtomicReference mainDisposable = new AtomicReference<>();
  @SuppressWarnings("WeakerAccess") // Package private for synthetic accessor saving
  final AtomicReference lifecycleDisposable = new AtomicReference<>();
  private final AtomicThrowable error = new AtomicThrowable();
  private final Maybe lifecycle;
  private final Observer delegate;

  AutoDisposingObserverImpl(Maybe lifecycle, Observer delegate) {
    this.lifecycle = lifecycle;
    this.delegate = delegate;
  }

  @Override public Observer delegateObserver() {
    return delegate;
  }

  @Override public void onSubscribe(final Disposable d) {
    DisposableMaybeObserver