com.hazelcast.quorum.PingAware Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2018, 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.quorum;
import com.hazelcast.core.Member;
import com.hazelcast.internal.cluster.fd.PingFailureDetector;
/**
* Quorum functions that need access to ICMP ping failure detector should implement this interface; the instance of
* {@link PingFailureDetector} used by this member's {@link com.hazelcast.internal.cluster.impl.ClusterHeartbeatManager}
* will be provided on initialization.
*/
public interface PingAware {
/**
* Notifies the {@link QuorumFunction} of ping loss.
*
* @param member member which was not pinged successfully
*/
void onPingLost(Member member);
/**
* Notifies the {@link QuorumFunction} of a successful ping after one or more pings to that member were lost.
*
* @param member member which was pinged successfully
*/
void onPingRestored(Member member);
}