content: package org.apache.solr.update.processor;
  /**
   * 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.
   */
  
  import org.apache.solr.common.util.Hash;
  
  public class Lookup3Signature extends Signature {
  
    protected long hash;
  
    public Lookup3Signature() {
    }
  
    @Override
    public void add(String content) {
      hash = Hash.lookup3ycs64(content,0,content.length(),hash);
    }
  
    @Override
    public byte[] getSignature() {
      return new byte[]{(byte)(hash>>56),(byte)(hash>>48),(byte)(hash>>40),(byte)(hash>>32),(byte)(hash>>24),(byte)(hash>>16),(byte)(hash>>8),(byte)(hash>>0)};
    }
  }