processing/src/test/java/org/apache/druid/query/TestQueryRunners.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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
 * specific language governing permissions and limitations
 * under the License.
 */

package org.apache.druid.query;

import com.google.common.base.Suppliers;
import org.apache.druid.collections.CloseableStupidPool;
import org.apache.druid.collections.NonBlockingPool;
import org.apache.druid.query.search.SearchQueryConfig;
import org.apache.druid.query.search.SearchQueryQueryToolChest;
import org.apache.druid.query.search.SearchQueryRunnerFactory;
import org.apache.druid.query.search.SearchStrategySelector;
import org.apache.druid.query.timeboundary.TimeBoundaryQueryRunnerFactory;
import org.apache.druid.query.timeseries.TimeseriesQueryEngine;
import org.apache.druid.query.timeseries.TimeseriesQueryQueryToolChest;
import org.apache.druid.query.timeseries.TimeseriesQueryRunnerFactory;
import org.apache.druid.query.topn.TopNQueryConfig;
import org.apache.druid.query.topn.TopNQueryQueryToolChest;
import org.apache.druid.query.topn.TopNQueryRunnerFactory;
import org.apache.druid.segment.Segment;

import java.nio.ByteBuffer;

/**
 */
public class TestQueryRunners
{
  private static final TopNQueryConfig TOPN_CONFIG = new TopNQueryConfig();

  public static CloseableStupidPool<ByteBuffer> createDefaultNonBlockingPool()
  {
    return new CloseableStupidPool<>(
        "TestQueryRunners-bufferPool",
        () -> ByteBuffer.allocate(1024 * 1024 * 10)
    );
  }

  public static <T> QueryRunner<T> makeTopNQueryRunner(Segment adapter, NonBlockingPool<ByteBuffer> pool)
  {
    QueryRunnerFactory factory = new TopNQueryRunnerFactory(
        pool,
        new TopNQueryQueryToolChest(TOPN_CONFIG),
        QueryRunnerTestHelper.NOOP_QUERYWATCHER
    );
    return new FinalizeResultsQueryRunner<T>(
        factory.createRunner(adapter),
        factory.getToolchest()
    );
  }

  public static <T> QueryRunner<T> makeTimeSeriesQueryRunner(Segment adapter)
  {
    QueryRunnerFactory factory = new TimeseriesQueryRunnerFactory(
        new TimeseriesQueryQueryToolChest(),
        new TimeseriesQueryEngine(),
        QueryRunnerTestHelper.NOOP_QUERYWATCHER
    );

    return new FinalizeResultsQueryRunner<T>(
        factory.createRunner(adapter),
        factory.getToolchest()
    );
  }

  public static <T> QueryRunner<T> makeSearchQueryRunner(Segment adapter)
  {
    final SearchQueryConfig config = new SearchQueryConfig();
    QueryRunnerFactory factory = new SearchQueryRunnerFactory(
        new SearchStrategySelector(Suppliers.ofInstance(config)),
        new SearchQueryQueryToolChest(config),
        QueryRunnerTestHelper.NOOP_QUERYWATCHER
    );
    return new FinalizeResultsQueryRunner<T>(
        factory.createRunner(adapter),
        factory.getToolchest()
    );
  }

  public static <T> QueryRunner<T> makeTimeBoundaryQueryRunner(Segment adapter)
  {
    QueryRunnerFactory factory = new TimeBoundaryQueryRunnerFactory(QueryRunnerTestHelper.NOOP_QUERYWATCHER);
    return new FinalizeResultsQueryRunner<T>(
        factory.createRunner(adapter),
        factory.getToolchest()
    );
  }
}