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A module that is everything required to understands Druid Segments

There is a newer version: 0.12.3

/*
 * 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
 * specific language governing permissions and limitations
 * under the License.
 */

package io.druid.query.topn;

import io.druid.segment.Cursor;
import io.druid.segment.DimensionSelector;

/**
 */
public class TopNParams
{
  private final DimensionSelector dimSelector;
  private final Cursor cursor;
  private final int cardinality;
  private final int numValuesPerPass;

  protected TopNParams(
      DimensionSelector dimSelector,
      Cursor cursor,
      int cardinality,
      int numValuesPerPass
  )
  {
    this.dimSelector = dimSelector;
    this.cursor = cursor;
    this.cardinality = cardinality;
    this.numValuesPerPass = numValuesPerPass;
  }

  public DimensionSelector getDimSelector()
  {
    return dimSelector;
  }

  public Cursor getCursor()
  {
    return cursor;
  }

  public int getCardinality()
  {
    return cardinality;
  }

  public int getNumValuesPerPass()
  {
    return numValuesPerPass;
  }
}