org.apache.solr.update.processor.Lookup3Signature Maven / Gradle / Ivy
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 java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.apache.solr.common.util.Hash;
public class Lookup3Signature extends Signature {
protected long hash;
public Lookup3Signature() {
}
public void add(String content) {
hash = Hash.lookup3ycs64(content,0,content.length(),hash);
}
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)};
}
}