/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.activeblaze;

/**
 * A SubscriptionHolder
 */
public class SubscriptionHolder {
    private final BlazeMessageListener listener;
    private final Subscription subscription;


    /**
     * Constructor
     */
    public SubscriptionHolder(String destination, boolean topic, BlazeMessageListener listener) {
        this.listener = listener;
        this.subscription = new Subscription(destination, topic);
    }

    /**
     * Constructor
     */
    public SubscriptionHolder(Subscription subscription, BlazeMessageListener listener) {
        this.listener = listener;
        this.subscription = subscription;
    }

    /**
     * Get the listener
     *
     * @return the listener
     */
    public BlazeMessageListener getListener() {
        return this.listener;
    }

    /**
     * Get the subscription
     *
     * @return the subscription
     */
    public Subscription getSubscription() {
        return this.subscription;
    }

    /**
     * @return hash code
     * @see java.lang.Object#hashCode()
     */
    public int hashCode() {
        return this.listener.hashCode() ^ this.subscription.hashCode();
    }

    /**
     * @return true if equals
     */
    public boolean equals(Object obj) {
        if (obj instanceof SubscriptionHolder) {
            SubscriptionHolder other = (SubscriptionHolder) obj;
            return this.listener.equals(other.listener) && this.subscription.equals(other.subscription);
        }
        return false;
    }
}