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.processing.loading.sort;
  
  import java.util.concurrent.atomic.AtomicLong;
  
  import org.apache.carbondata.common.logging.LogServiceFactory;
  import org.apache.carbondata.core.constants.CarbonCommonConstants;
  import org.apache.carbondata.core.util.CarbonProperties;
  import org.apache.carbondata.processing.loading.CarbonDataLoadConfiguration;
  import org.apache.carbondata.processing.loading.sort.impl.ParallelReadMergeSorterImpl;
  import org.apache.carbondata.processing.loading.sort.impl.ParallelReadMergeSorterWithColumnRangeImpl;
  import org.apache.carbondata.processing.loading.sort.impl.UnsafeParallelReadMergeSorterImpl;
  import org.apache.carbondata.processing.loading.sort.impl.UnsafeParallelReadMergeSorterWithColumnRangeImpl;
  
  import org.apache.log4j.Logger;
  
  public class SorterFactory {
  
    private static final Logger LOGGER =
        LogServiceFactory.getLogService(SorterFactory.class.getName());
  
    public static Sorter createSorter(CarbonDataLoadConfiguration configuration, AtomicLong counter) {
      boolean offheapsort = Boolean.parseBoolean(CarbonProperties.getInstance()
          .getProperty(CarbonCommonConstants.ENABLE_UNSAFE_SORT,
              CarbonCommonConstants.ENABLE_UNSAFE_SORT_DEFAULT));
      Sorter sorter;
      if (offheapsort) {
        if (configuration.getBucketingInfo() != null) {
          sorter = new UnsafeParallelReadMergeSorterWithColumnRangeImpl(counter,
              configuration.getBucketingInfo());
        } else if (configuration.getSortColumnRangeInfo() != null) {
          sorter = new UnsafeParallelReadMergeSorterWithColumnRangeImpl(counter,
              configuration.getSortColumnRangeInfo());
        } else {
          sorter = new UnsafeParallelReadMergeSorterImpl(counter);
        }
      } else {
        if (configuration.getBucketingInfo() != null) {
          sorter = new ParallelReadMergeSorterWithColumnRangeImpl(counter,
              configuration.getBucketingInfo());
        } else if (configuration.getSortColumnRangeInfo() != null) {
          sorter = new ParallelReadMergeSorterWithColumnRangeImpl(counter,
              configuration.getSortColumnRangeInfo());
        } else {
          sorter = new ParallelReadMergeSorterImpl(counter);
        }
      }
      return sorter;
    }
  
  }
  