content: /*
   * Copyright (C) 2012-2016 Markus Junginger, greenrobot (http://greenrobot.org)
   *
   * 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 org.greenrobot.eventbus;
  
  final class Subscription {
    final Object subscriber;
    final SubscriberMethod subscriberMethod;
    /**
     * Becomes false as soon as {@link EventBus#unregister(Object)} is called, which is checked by
     * queued event delivery {@link EventBus#invokeSubscriber(PendingPost)} to prevent race
     * conditions.
     */
    volatile boolean active;
  
    Subscription(Object subscriber, SubscriberMethod subscriberMethod) {
      this.subscriber = subscriber;
      this.subscriberMethod = subscriberMethod;
      active = true;
    }
  
    @Override
    public boolean equals(Object other) {
      if (other instanceof Subscription) {
        Subscription otherSubscription = (Subscription) other;
        return subscriber == otherSubscription.subscriber
            && subscriberMethod.equals(otherSubscription.subscriberMethod);
      } else {
        return false;
      }
    }
  
    @Override
    public int hashCode() {
      return subscriber.hashCode() + subscriberMethod.methodString.hashCode();
    }
  }
  