| Package | Description | 
|---|---|
| org.apache.hadoop.hdfs.server.datanode | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | ReplicaBeingWrittenThis class represents replicas being written. | 
| class  | ReplicaInPipelineThis class defines a replica in a pipeline, which
 includes a persistent replica being written to by a dfs client or
 a temporary replica being replicated by a source datanode or
 being copied for the balancing purpose. | 
| Modifier and Type | Method and Description | 
|---|---|
| ReplicaInPipelineInterface | ReplicaHandler. getReplica() | 
| Constructor and Description | 
|---|
| ReplicaHandler(ReplicaInPipelineInterface replica,
              FsVolumeReference reference) | 
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