| Package | Description | 
|---|---|
| org.apache.hadoop.hbase.io.hfile | Provides implementations of  HFileand HFileBlockCache. | 
| Modifier and Type | Interface and Description | 
|---|---|
| static interface  | HFile.ReaderAn interface used by clients to open and iterate an  HFile. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | AbstractHFileReaderCommon functionality needed by all versions of  HFilereaders. | 
| class  | HFileReaderV2HFilereader for version 2. | 
| class  | HFileReaderV3HFilereader for version 3. | 
| Constructor and Description | 
|---|
| HFileBlockIndex.BlockIndexReader(KeyValue.KVComparator c,
                                int treeLevel,
                                HFile.CachingBlockReader cachingBlockReader) | 
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