AllBackendComputeGroup.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.resource.computegroup;

import org.apache.doris.common.Config;
import org.apache.doris.system.Backend;
import org.apache.doris.system.SystemInfoService;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.Sets;

import java.util.Set;

public class AllBackendComputeGroup extends ComputeGroup {

    public AllBackendComputeGroup(SystemInfoService systemInfoService) {
        super(AllBackendComputeGroup.class.getSimpleName(), AllBackendComputeGroup.class.getSimpleName(),
                systemInfoService);
    }

    @Override
    public boolean containsBackend(String beTag) {
        if (Config.isCloudMode()) {
            throw new RuntimeException("AllBackendComputeGroup not implements containsBackend in cloud mode.");
        }
        // currently AllBackendComputeGroup is used when admin/root user not specifies a resource tag,
        // then they can get all backends
        return true;
    }

    @Override
    public String getId() {
        throw new RuntimeException("AllBackendComputeGroup not implements getId.");
    }

    @Override
    public String getName() {
        throw new RuntimeException("AllBackendComputeGroup not implements getName.");
    }

    @Override
    public ImmutableList<Backend> getBackendList() {
        return systemInfoService.getAllClusterBackendsNoException().values().asList();
    }

    @Override
    public Set<String> getNames() {
        // in cloud mode, name is cluster id.
        // in no-cloud mode, name is resource tag's name
        Set<String> ret = Sets.newHashSet();
        for (Backend backend : systemInfoService.getAllClusterBackendsNoException().values()) {
            ret.add(backend.getComputeGroup());
        }
        return ret;
    }

    @Override
    public String toString() {
        return AllBackendComputeGroup.class.getSimpleName();
    }

}