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.sort.sortdata;
  
  import java.io.Serializable;
  import java.util.Comparator;
  
  import org.apache.carbondata.core.metadata.datatype.DataType;
  import org.apache.carbondata.core.util.ByteUtil.UnsafeComparer;
  import org.apache.carbondata.core.util.DataTypeUtil;
  import org.apache.carbondata.core.util.comparator.SerializableComparator;
  
  public class NewRowComparator implements Comparator<Object[]>, Serializable {
    private static final long serialVersionUID = -1739874611112709436L;
  
    private DataType[] noDicDataTypes;
  
    private boolean[] noDicSortColumnMapping;
  
    public NewRowComparator(boolean[] noDicSortColumnMapping,
        DataType[] noDicDataTypes) {
      this.noDicSortColumnMapping = noDicSortColumnMapping;
      this.noDicDataTypes = noDicDataTypes;
    }
  
    /**
     * Below method will be used to compare two mdkey
     */
    @Override
    public int compare(Object[] rowA, Object[] rowB) {
      int diff = 0;
      int index = 0;
      int dataTypeIdx = 0;
      int noDicSortIdx = 0;
      for (int i = 0; i < noDicSortColumnMapping.length; i++) {
        if (noDicSortColumnMapping[noDicSortIdx++]) {
          if (DataTypeUtil.isPrimitiveColumn(noDicDataTypes[dataTypeIdx])) {
            // use data types based comparator for the no dictionary measure columns
            SerializableComparator comparator = org.apache.carbondata.core.util.comparator.Comparator
                .getComparator(noDicDataTypes[dataTypeIdx]);
            int difference = comparator.compare(rowA[index], rowB[index]);
            if (difference != 0) {
              return difference;
            }
          } else {
            byte[] byteArr1 = (byte[]) rowA[index];
            byte[] byteArr2 = (byte[]) rowB[index];
  
            int difference = UnsafeComparer.INSTANCE.compareTo(byteArr1, byteArr2);
            if (difference != 0) {
              return difference;
            }
          }
          dataTypeIdx++;
        } else {
          int dimFieldA = (int) rowA[index];
          int dimFieldB = (int) rowB[index];
  
          diff = dimFieldA - dimFieldB;
          if (diff != 0) {
            return diff;
          }
        }
        index++;
      }
      return diff;
    }
  }
  