PartitionAwareService.java

/*
 * 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;

import com.hazelcast.spi.partition.IPartitionLostEvent;

/**
 * An interface that can be implemented by SPI services to get notified of when a partition-related event occurs; for example,
 * if a {@link com.hazelcast.map.impl.MapService} notifies its map listeners when partition is lost for a map.
 *
 * @see IPartitionLostEvent
 */
public interface PartitionAwareService {

    /**
     * Invoked when a partition lost is detected
     * @param event The event object that contains the partition id and the number of replicas that is lost
     */
    void onPartitionLost(IPartitionLostEvent event);

}