org.apache.hadoop.hdfs.server.datanode.fsdataset
Class FsDatasetSpi.Factory<D extends org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi<?>>

java.lang.Object
  org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi.Factory<D>

Direct Known Subclasses:

FsDatasetFactory

Enclosing interface:

org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi<V extends FsVolumeSpi>

public abstract static class FsDatasetSpi.Factory<D extends org.apache.hadoop.hdfs.server.datanode.fsdataset.FsDatasetSpi<?>>
extends Object

A factory for creating FsDatasetSpi objects.

Constructor Summary

FsDatasetSpi.Factory()

Method Summary

static FsDatasetSpi.Factory<?>	getFactory(org.apache.hadoop.conf.Configuration conf)
boolean	isSimulated() Does the factory create simulated objects?
abstract D	newInstance(org.apache.hadoop.hdfs.server.datanode.DataNode datanode, org.apache.hadoop.hdfs.server.datanode.DataStorage storage, org.apache.hadoop.conf.Configuration conf) Create a new object.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FsDatasetSpi.Factory

public FsDatasetSpi.Factory()

Method Detail

getFactory

public static FsDatasetSpi.Factory<?> getFactory(org.apache.hadoop.conf.Configuration conf)

Returns:

the configured factory.

newInstance

public abstract D newInstance(org.apache.hadoop.hdfs.server.datanode.DataNode datanode,
                              org.apache.hadoop.hdfs.server.datanode.DataStorage storage,
                              org.apache.hadoop.conf.Configuration conf)
                                                                                                throws IOException

Create a new object.

Throws:

IOException

isSimulated

public boolean isSimulated()

Does the factory create simulated objects?