Android Open Source - EventBus Subscription

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License

The source code is released under:

Apache License

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Java Source Code

/*
 * Copyright (C) 2012 Markus Junginger, greenrobot (http://greenrobot.de)
 */*from w  w  w  .  j  a  va  2 s  .c o  m*/
 * 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 de.greenrobot.event;

final class Subscription {
    final Object subscriber;
    final SubscriberMethod subscriberMethod;
    final int priority;
    /**
     * 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, int priority) {
        this.subscriber = subscriber;
        this.subscriberMethod = subscriberMethod;
        this.priority = priority;
        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();
    }
}

Java Source Code List