RoutineLoadsNameProcDir.java

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// to you under the Apache License, Version 2.0 (the
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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.doris.common.proc;

import org.apache.doris.analysis.ShowRoutineLoadStmt;
import org.apache.doris.catalog.Env;
import org.apache.doris.common.AnalysisException;
import org.apache.doris.load.routineload.RoutineLoadJob;
import org.apache.doris.load.routineload.RoutineLoadManager;

import com.google.common.base.Preconditions;

import java.util.List;

/*
    SHOW PROC "/routine_loads/{jobName}"
    show all of routine load named job name in all of db

    RESULT
    show result is sames as show routine load {jobName}
 */
public class RoutineLoadsNameProcDir implements ProcDirInterface {

    private final String jobName;

    public RoutineLoadsNameProcDir(String jobName) {
        this.jobName = jobName;
    }

    @Override
    public boolean register(String name, ProcNodeInterface node) {
        return false;
    }

    @Override
    public ProcNodeInterface lookup(String jobIdStr) throws AnalysisException {
        Preconditions.checkNotNull(jobIdStr);

        long jobId;
        try {
            jobId = Long.valueOf(jobIdStr);
        } catch (NumberFormatException e) {
            throw new AnalysisException("Invalid job id format: " + jobIdStr);
        }

        return new RoutineLoadProcNode(jobId);
    }

    @Override
    public ProcResult fetchResult() throws AnalysisException {
        BaseProcResult baseProcResult = new BaseProcResult();
        baseProcResult.setNames(ShowRoutineLoadStmt.getTitleNames());

        // find all of job named routine load
        RoutineLoadManager routineLoadManager = Env.getCurrentEnv().getRoutineLoadManager();
        List<RoutineLoadJob> routineLoadJobList = routineLoadManager.getJobByName(jobName);
        for (RoutineLoadJob routineLoadJob : routineLoadJobList) {
            baseProcResult.addRow(routineLoadJob.getShowInfo());
        }

        return baseProcResult;
    }
}