PipelineDistributedPlan.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.distribute;

import org.apache.doris.nereids.trees.plans.distribute.worker.job.AssignedJob;
import org.apache.doris.nereids.trees.plans.distribute.worker.job.UnassignedJob;
import org.apache.doris.nereids.util.Utils;
import org.apache.doris.thrift.TExplainLevel;

import java.util.List;
import java.util.Objects;

/** PipelineDistributedPlan */
public class PipelineDistributedPlan extends DistributedPlan {
    protected final List<AssignedJob> instanceJobs;

    public PipelineDistributedPlan(
            UnassignedJob fragmentJob,
            List<AssignedJob> instanceJobs,
            List<PipelineDistributedPlan> inputs) {
        super(fragmentJob, inputs);
        this.instanceJobs = Utils.fastToImmutableList(
                Objects.requireNonNull(instanceJobs, "instanceJobs can not be null")
        );
    }

    public List<AssignedJob> getInstanceJobs() {
        return instanceJobs;
    }

    @Override
    public String toString(int displayFragmentId) {
        StringBuilder instancesStr = new StringBuilder();
        for (int i = 0; i < instanceJobs.size(); i++) {
            instancesStr.append(instanceJobs.get(i).toString(false));
            if (i + 1 < instanceJobs.size()) {
                instancesStr.append(",\n");
            }
        }
        String instancesStrWithIndent = Utils.addLinePrefix(instancesStr.toString(), "    ");

        String explainString = Utils.addLinePrefix(
                fragmentJob.getFragment().getExplainString(TExplainLevel.VERBOSE).trim(), "  "
        );

        return "PipelineDistributedPlan(\n"
                + "  id: " + displayFragmentId + ",\n"
                + "  parallel: " + instanceJobs.size() + ",\n"
                + "  fragmentJob: " + fragmentJob + ",\n"
                + "  fragment: {\n"
                + "  " + explainString + "\n"
                + "  },\n"
                + "  instanceJobs: [\n" + instancesStrWithIndent + "\n"
                + "  ]\n"
                + ")";
    }
}