/**
 * 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.activemq.util;

import org.apache.activemq.command.SubscriptionInfo;

public class SubscriptionKey {

    public final String clientId;
    public final String subscriptionName;
    private final int hashValue;

    public SubscriptionKey(SubscriptionInfo info) {
        this(info.getClientId(), info.getSubscriptionName());
    }

    public SubscriptionKey(String clientId, String subscriptionName) {
        this.clientId = clientId;
        this.subscriptionName = subscriptionName != null ? subscriptionName : "NOT_SET";
        hashValue = clientId.hashCode() ^ this.subscriptionName.hashCode();
    }

    public int hashCode() {
        return hashValue;
    }

    public boolean equals(Object o) {
        try {
            SubscriptionKey key = (SubscriptionKey)o;
            return key.clientId.equals(clientId) && key.subscriptionName.equals(subscriptionName);
        } catch (Throwable e) {
            return false;
        }
    }

    public String toString() {
        return clientId + ":" + subscriptionName;
    }

    public String getClientId() {
        return clientId;
    }

    public String getSubscriptionName() {
        return subscriptionName;
    }
}