io.druid.benchmark.query.QueryBenchmarkUtil Maven / Gradle / Ivy

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 * Licensed to Metamarkets Group Inc. (Metamarkets) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. Metamarkets licenses this file
 * to you 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
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 * under the License.
 */

package io.druid.benchmark.query;

import com.google.common.util.concurrent.ListenableFuture;
import com.metamx.common.guava.Sequence;
import io.druid.query.BySegmentQueryRunner;
import io.druid.query.FinalizeResultsQueryRunner;
import io.druid.query.IntervalChunkingQueryRunnerDecorator;
import io.druid.query.Query;
import io.druid.query.QueryRunner;
import io.druid.query.QueryRunnerFactory;
import io.druid.query.QueryToolChest;
import io.druid.query.QueryWatcher;
import io.druid.segment.Segment;

import java.util.Map;

public class QueryBenchmarkUtil
{
  public static > QueryRunner makeQueryRunner(
      QueryRunnerFactory factory,
      String segmentId,
      Segment adapter
  )
  {
    return new FinalizeResultsQueryRunner(
        new BySegmentQueryRunner(
            segmentId, adapter.getDataInterval().getStart(),
            factory.createRunner(adapter)
        ),
        (QueryToolChest>)factory.getToolchest()
    );
  }

  public static IntervalChunkingQueryRunnerDecorator NoopIntervalChunkingQueryRunnerDecorator()
  {
    return new IntervalChunkingQueryRunnerDecorator(null, null, null) {
      @Override
      public  QueryRunner decorate(final QueryRunner delegate,
                                         QueryToolChest> toolChest) {
        return new QueryRunner() {
          @Override
          public Sequence run(Query query, Map responseContext)
          {
            return delegate.run(query, responseContext);
          }
        };
      }
    };
  }

  public static final QueryWatcher NOOP_QUERYWATCHER = new QueryWatcher()
  {
    @Override
    public void registerQuery(Query query, ListenableFuture future)
    {

    }
  };
}