/*
 * Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
 *
 * 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 com.hazelcast.nio;

import com.hazelcast.spi.annotation.PrivateApi;

/**
 * Provides connection listen capabilities.
 */
@PrivateApi
public interface ConnectionListenable {

    /**
     * Registers a ConnectionListener.
     *
     * If the same listener is registered multiple times, it will be notified multiple times.
     *
     * @param listener the ConnectionListener to add.
     * @throws NullPointerException if listener is null.
     */
    void addConnectionListener(ConnectionListener listener);
}