content: /*
   * 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.carbondata.core.scan.filter.executer;
  
  import java.util.AbstractCollection;
  import java.util.HashSet;
  
  import org.apache.carbondata.core.metadata.datatype.DataType;
  import org.apache.carbondata.core.metadata.datatype.DataTypes;
  
  import it.unimi.dsi.fastutil.booleans.BooleanOpenHashSet;
  import it.unimi.dsi.fastutil.bytes.ByteOpenHashSet;
  import it.unimi.dsi.fastutil.doubles.DoubleOpenHashSet;
  import it.unimi.dsi.fastutil.floats.FloatOpenHashSet;
  import it.unimi.dsi.fastutil.ints.IntOpenHashSet;
  import it.unimi.dsi.fastutil.longs.LongOpenHashSet;
  import it.unimi.dsi.fastutil.shorts.ShortOpenHashSet;
  
  /**
   * Below class will be used to keep all the filter values based on data type
   * for measure column.
   * In this class there are multiple type of set is used to avoid conversion of
   * primitive type to primitive object to avoid gc which cause performance degrade when
   * number of records are high
   */
  public class MeasureColumnExecutorFilterInfo {
  
    Object[] filterKeys;
  
    /**
     * filter set used for filtering the measure value based on data type
     */
    private AbstractCollection filterSet;
  
    public void setFilterKeys(Object[] filterKeys, DataType dataType) {
      this.filterKeys = filterKeys;
      if (dataType == DataTypes.BOOLEAN) {
        filterSet = new BooleanOpenHashSet();
      } else if (dataType == DataTypes.BYTE) {
        filterSet = new ByteOpenHashSet();
      } else if (dataType == DataTypes.SHORT) {
        filterSet = new ShortOpenHashSet();
      } else if (dataType == DataTypes.INT) {
        filterSet = new IntOpenHashSet();
      } else if (dataType == DataTypes.FLOAT) {
        filterSet = new FloatOpenHashSet();
      } else if (dataType == DataTypes.LONG) {
        filterSet = new LongOpenHashSet();
      } else if (dataType == DataTypes.DOUBLE) {
        filterSet = new DoubleOpenHashSet();
      } else if (DataTypes.isDecimal(dataType)) {
        filterSet = new HashSet();
      } else {
        throw new IllegalArgumentException("Invalid data type");
      }
      for (Object filterKey : filterKeys) {
        if (null != filterKey) {
          filterSet.add(filterKey);
        }
      }
    }
  
    public Object[] getFilterKeys() {
      return filterKeys;
    }
  
    public AbstractCollection getFilterSet() {
      return filterSet;
    }
  }
  