/*
* 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.spi;
/**
* Contract point for event listeners to be notified by {@link com.hazelcast.spi.EventService}.
*
* @param <S> the type of the {@link com.hazelcast.spi.ManagedService}
*/
public interface NotifiableEventListener<S> {
/**
* Called when this listener registered to {@link com.hazelcast.spi.EventService}.
*
* @param service the service instance that event belongs to
* @param serviceName name of the service that event belongs to
* @param topic name of the topic that event belongs to
* @param registration the {@link com.hazelcast.spi.EventRegistration} instance
* that holds information about the registration
*/
void onRegister(S service, String serviceName, String topic, EventRegistration registration);
/**
* Called when this listener deregistered from {@link com.hazelcast.spi.EventService}.
*
* @param service the service instance that event belongs to
* @param serviceName name of the service that event belongs to
* @param topic name of the topic that event belongs to
* @param registration the {@link com.hazelcast.spi.EventRegistration} instance
* that holds information about the registration
*/
void onDeregister(S service, String serviceName, String topic, EventRegistration registration);
}