package org.apache.lucene.index.codecs.appending;
/*
* 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.IOException;
import java.util.Comparator;
import org.apache.lucene.index.FieldInfos;
import org.apache.lucene.index.codecs.standard.SimpleStandardTermsIndexReader;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.IndexInput;
import org.apache.lucene.util.BytesRef;
import org.apache.lucene.util.CodecUtil;
public class AppendingTermsIndexReader extends SimpleStandardTermsIndexReader {
public AppendingTermsIndexReader(Directory dir, FieldInfos fieldInfos,
String segment, int indexDivisor, Comparator<BytesRef> termComp)
throws IOException {
super(dir, fieldInfos, segment, indexDivisor, termComp);
}
@Override
protected void readHeader(IndexInput input) throws IOException {
CodecUtil.checkHeader(input, AppendingTermsIndexWriter.CODEC_NAME,
AppendingTermsIndexWriter.VERSION_START, AppendingTermsIndexWriter.VERSION_START);
}
@Override
protected void seekDir(IndexInput input, long dirOffset) throws IOException {
input.seek(input.length() - Long.SIZE / 8);
long offset = input.readLong();
input.seek(offset);
}
}