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Java implementation of Raft Consensus, this module contains only the core algorithm, and does not have any dependency except Java SE 8, for interface implementations that required by this module, please checkout jraft-ext module

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/**
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  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 net.data.technology.jraft;

import java.util.concurrent.ScheduledThreadPoolExecutor;

public class RaftContext {

    private ServerStateManager serverStateManager;
    private RpcListener rpcListener;
    private LoggerFactory loggerFactory;
    private RpcClientFactory rpcClientFactory;
    private StateMachine stateMachine;
    private RaftParameters raftParameters;
    private ScheduledThreadPoolExecutor scheduledExecutor;

    public RaftContext(ServerStateManager stateManager, StateMachine stateMachine, RaftParameters raftParameters, RpcListener rpcListener, LoggerFactory logFactory, RpcClientFactory rpcClientFactory){
        this(stateManager, stateMachine, raftParameters, rpcListener, logFactory, rpcClientFactory, null);
    }

    public RaftContext(ServerStateManager stateManager, StateMachine stateMachine, RaftParameters raftParameters, RpcListener rpcListener, LoggerFactory logFactory, RpcClientFactory rpcClientFactory, ScheduledThreadPoolExecutor scheduledExecutor){
        this.serverStateManager = stateManager;
        this.stateMachine = stateMachine;
        this.raftParameters = raftParameters;
        this.rpcClientFactory = rpcClientFactory;
        this.rpcListener = rpcListener;
        this.loggerFactory = logFactory;
        this.scheduledExecutor = scheduledExecutor;
        if(this.scheduledExecutor == null){
            this.scheduledExecutor = new ScheduledThreadPoolExecutor(Runtime.getRuntime().availableProcessors());
        }

        if(this.raftParameters == null){
            this.raftParameters = new RaftParameters()
                    .withElectionTimeoutUpper(300)
                    .withElectionTimeoutLower(150)
                    .withHeartbeatInterval(75)
                    .withRpcFailureBackoff(25)
                    .withMaximumAppendingSize(100)
                    .withLogSyncBatchSize(1000)
                    .withLogSyncStoppingGap(100)
                    .withSnapshotEnabled(0)
                    .withSyncSnapshotBlockSize(0);
        }
    }

    public ServerStateManager getServerStateManager() {
        return serverStateManager;
    }

    public RpcListener getRpcListener() {
        return rpcListener;
    }

    public LoggerFactory getLoggerFactory() {
        return loggerFactory;
    }

    public RpcClientFactory getRpcClientFactory() {
        return rpcClientFactory;
    }

    public StateMachine getStateMachine() {
        return stateMachine;
    }

    public RaftParameters getRaftParameters() {
        return raftParameters;
    }

    public ScheduledThreadPoolExecutor getScheduledExecutor(){
        return this.scheduledExecutor;
    }
}