| /* |
| * 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.rocketmq.controller; |
| |
| import io.netty.channel.Channel; |
| import java.util.Map; |
| import org.apache.rocketmq.controller.helper.BrokerLifecycleListener; |
| import org.apache.rocketmq.controller.impl.heartbeat.BrokerLiveInfo; |
| |
| public interface BrokerHeartbeatManager { |
| |
| /** |
| * initialize the resources |
| * @return |
| */ |
| void initialize(); |
| /** |
| * Broker new heartbeat. |
| */ |
| void onBrokerHeartbeat(final String clusterName, final String brokerName, final String brokerAddr, |
| final Long brokerId, final Long timeoutMillis, final Channel channel, final Integer epoch, |
| final Long maxOffset, final Long confirmOffset, final Integer electionPriority); |
| |
| /** |
| * Start heartbeat manager. |
| */ |
| void start(); |
| |
| /** |
| * Shutdown heartbeat manager. |
| */ |
| void shutdown(); |
| |
| /** |
| * Add BrokerLifecycleListener. |
| */ |
| void registerBrokerLifecycleListener(final BrokerLifecycleListener listener); |
| |
| /** |
| * Broker channel close |
| */ |
| void onBrokerChannelClose(final Channel channel); |
| |
| /** |
| * Get broker live information by clusterName and brokerAddr |
| */ |
| BrokerLiveInfo getBrokerLiveInfo(String clusterName, String brokerName, Long brokerId); |
| |
| /** |
| * Check whether broker active |
| */ |
| boolean isBrokerActive(final String clusterName, final String brokerName, final Long brokerId); |
| |
| /** |
| * Count the number of active brokers in each broker-set of each cluster |
| * @return active brokers count |
| */ |
| Map<String/*cluster*/, Map<String/*broker-set*/, Integer/*active broker num*/>> getActiveBrokersNum(); |
| } |