io.trino.server.ResourceGroupInfo Maven / Gradle / Ivy

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/*
 * Licensed 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 io.trino.server;

import com.google.common.collect.ImmutableList;
import io.airlift.units.DataSize;
import io.airlift.units.Duration;
import io.trino.spi.resourcegroups.ResourceGroupId;
import io.trino.spi.resourcegroups.ResourceGroupState;
import io.trino.spi.resourcegroups.SchedulingPolicy;

import java.util.List;
import java.util.Optional;

import static java.util.Objects.requireNonNull;

/*
 * This class is exposed to external systems via ResourceGroupStateInfoResource and QueryStateInfoResource.
 * Be careful while changing it.
 */
public record ResourceGroupInfo(
        ResourceGroupId id,
        ResourceGroupState state,
        SchedulingPolicy schedulingPolicy,
        int schedulingWeight,
        DataSize softMemoryLimit,
        int softConcurrencyLimit,
        int hardConcurrencyLimit,
        int maxQueuedQueries,
        DataSize memoryUsage,
        Duration cpuUsage,
        int numQueuedQueries,
        int numRunningQueries,
        int numEligibleSubGroups,
        Optional> subGroups,
        Optional> runningQueries)
{
    public ResourceGroupInfo
    {
        requireNonNull(id, "id is null");
        requireNonNull(state, "state is null");
        requireNonNull(schedulingPolicy, "schedulingPolicy is null");
        requireNonNull(softMemoryLimit, "softMemoryLimit is null");
        requireNonNull(memoryUsage, "memoryUsage is null");
        requireNonNull(cpuUsage, "cpuUsage is null");

        subGroups = subGroups.map(ImmutableList::copyOf);
        runningQueries = runningQueries.map(ImmutableList::copyOf);
    }
}