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.keygenerator.mdkey;
  
  import org.apache.carbondata.core.keygenerator.KeyGenerator;
  
  public abstract class AbstractKeyGenerator implements KeyGenerator {
  
    private static final long serialVersionUID = -6675293078575359769L;
  
    @Override
    public int compare(byte[] byte1, byte[] byte2) {
      // Short circuit equal case
      if (byte1 == byte2) {
        return 0;
      }
      // Bring WritableComparator code local
      int i = 0;
      int j = 0;
      for (; i < byte1.length && j < byte2.length; i++, j++) {
        int a = (byte1[i] & 0xff);
        int b = (byte2[j] & 0xff);
        if (a != b) {
          return a - b;
        }
      }
      return 0;
    }
  }
  