| Package | Description | 
|---|---|
| org.apache.hadoop.hdfs.server.datanode | |
| org.apache.hadoop.hdfs.server.datanode.fsdataset | 
| Constructor and Description | 
|---|
| ReplicaHandler(ReplicaInPipeline replica,
              FsVolumeReference reference) | 
| Modifier and Type | Method and Description | 
|---|---|
| FsVolumeReference | FsDatasetSpi.FsVolumeReferences. getReference(int index)Get the reference for a given index. | 
| FsVolumeReference | ReplicaInputStreams. getVolumeRef() | 
| FsVolumeReference | FsVolumeSpi. obtainReference()Obtain a reference object that had increased 1 reference count of the
 volume. | 
| Constructor and Description | 
|---|
| ReplicaInputStreams(InputStream dataStream,
                   InputStream checksumStream,
                   FsVolumeReference volumeRef,
                   org.apache.hadoop.hdfs.server.datanode.FileIoProvider fileIoProvider)Create an object with a data input stream and a checksum input stream. | 
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