fixed crashing when removing mods

This commit is contained in:
huangyuhui
2015-12-29 20:35:40 +08:00
parent e3f0254736
commit 3471b4fec7
20 changed files with 152 additions and 243 deletions

View File

@@ -1,12 +1,12 @@
/**
* Copyright 2013 Netflix, 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.
@@ -21,19 +21,22 @@ import java.util.concurrent.atomic.AtomicReference;
import rx.Subscription;
/**
* Thread-safe wrapper around Observable Subscription that ensures unsubscribe can be called only once.
* Thread-safe wrapper around Observable Subscription that ensures unsubscribe
* can be called only once.
* <p>
* Also used to:
* <p>
* <ul>
* <li>allow the AtomicObserver to have access to the subscription in asynchronous execution for checking if unsubscribed occurred without onComplete/onError.</li>
* <li>allow the AtomicObserver to have access to the subscription in
* asynchronous execution for checking if unsubscribed occurred without
* onComplete/onError.</li>
* <li>handle both synchronous and asynchronous subscribe() execution flows</li>
* </ul>
*/
public final class AtomicObservableSubscription implements Subscription {
private AtomicReference<Subscription> actualSubscription = new AtomicReference<Subscription>();
private AtomicBoolean unsubscribed = new AtomicBoolean(false);
private final AtomicReference<Subscription> actualSubscription = new AtomicReference<>();
private final AtomicBoolean unsubscribed = new AtomicBoolean(false);
public AtomicObservableSubscription() {
@@ -44,16 +47,16 @@ public final class AtomicObservableSubscription implements Subscription {
}
/**
* Wraps the actual subscription once it exists (if it wasn't available when constructed)
*
* Wraps the actual subscription once it exists (if it wasn't available when
* constructed)
*
* @param actualSubscription
* @throws IllegalStateException
* if trying to set more than once (or use this method after setting via constructor)
* @throws IllegalStateException if trying to set more than once (or use
* this method after setting via constructor)
*/
public AtomicObservableSubscription wrap(Subscription actualSubscription) {
if (!this.actualSubscription.compareAndSet(null, actualSubscription)) {
if (!this.actualSubscription.compareAndSet(null, actualSubscription))
throw new IllegalStateException("Can not set subscription more than once.");
}
return this;
}