/*
* 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.accumulo.core.file.map;
import java.io.IOException;
import org.apache.accumulo.core.conf.AccumuloConfiguration;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.io.MapFile;
import org.apache.hadoop.io.SequenceFile;
public class MapFileUtil {
public static MapFile.Reader openMapFile(AccumuloConfiguration acuconf, FileSystem fs, String dirName, Configuration conf) throws IOException {
MapFile.Reader mfr = null;
try {
mfr = new MapFile.Reader(fs.makeQualified(new Path(dirName)), conf);
return mfr;
} catch (IOException e) {
throw e;
}
}
public static SequenceFile.Reader openIndex(Configuration conf, FileSystem fs, Path mapFile) throws IOException {
Path indexPath = new Path(mapFile, MapFile.INDEX_FILE_NAME);
SequenceFile.Reader index = null;
try {
index = new SequenceFile.Reader(conf, SequenceFile.Reader.file(fs.makeQualified(indexPath)));
return index;
} catch (IOException e) {
throw e;
}
}
}