package org.apache.blur.mapreduce.lib;
/**
* 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.hadoop.io.Text;
import org.apache.hadoop.mapreduce.RecordReader;
public abstract class BlurRecordReader extends RecordReader<Text, BlurRecord> {
// private IndexReader reader;
// private Directory directory;
// private int startingDocId;
// private int endingDocId;
// private int position;
// private Text rowid = new Text();
// private BlurRecord record = new BlurRecord();
//
// @Override
// public void initialize(InputSplit split, TaskAttemptContext context) throws IOException, InterruptedException {
// BlurInputSplit blurSplit = (BlurInputSplit) split;
// Path path = blurSplit.getIndexPath();
// String segmentName = blurSplit.getSegmentName();
// startingDocId = blurSplit.getStartingDocId();
// endingDocId = blurSplit.getEndingDocId();
// directory = new HdfsDirectory(context.getConfiguration(), path);
//
// IndexCommit commit = Utils.findLatest(directory);
// reader = Utils.openSegmentReader(directory, commit, segmentName, Utils.getTermInfosIndexDivisor(context.getConfiguration()));
// int maxDoc = reader.maxDoc();
// if (endingDocId >= maxDoc) {
// endingDocId = maxDoc - 1;
// }
// position = startingDocId - 1;
// }
//
// @Override
// public boolean nextKeyValue() throws IOException, InterruptedException {
// do {
// position++;
// if (position > endingDocId) {
// return false;
// }
// } while (reader.isDeleted(position));
// readDocument();
// return true;
// }
//
// private void readDocument() throws CorruptIndexException, IOException {
// Document document = reader.document(position);
// record.reset();
// rowid.set(RowDocumentUtil.readRecord(document, record));
// }
//
// @Override
// public Text getCurrentKey() throws IOException, InterruptedException {
// return rowid;
// }
//
// @Override
// public BlurRecord getCurrentValue() throws IOException, InterruptedException {
// return record;
// }
//
// @Override
// public float getProgress() throws IOException, InterruptedException {
// int total = endingDocId - startingDocId;
// return (float) position / (float) total;
// }
//
// @Override
// public void close() throws IOException {
// reader.close();
// directory.close();
// }
}