AddFollowerOp.java

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// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.doris.nereids.trees.plans.commands.info;

import org.apache.doris.common.AnalysisException;
import org.apache.doris.ha.FrontendNodeType;
import org.apache.doris.qe.ConnectContext;
import org.apache.doris.system.SystemInfoService;

/**
 * AddFrontendOp
 */
public class AddFollowerOp extends FrontendOp {
    public AddFollowerOp(String hostPort) {
        super(hostPort, FrontendNodeType.FOLLOWER);
    }

    @Override
    public void validate(ConnectContext ctx) throws AnalysisException {
        super.validate(ctx);
        SystemInfoService.HostInfo hostInfo = SystemInfoService.getHostAndPort(hostPort);
        this.host = hostInfo.getHost();
        this.port = hostInfo.getPort();
    }

    @Override
    public String toSql() {
        StringBuilder sb = new StringBuilder();
        sb.append("ALTER CLUSTER ADD FOLLOWER \"");
        sb.append(hostPort).append("\"");
        return sb.toString();
    }
}