Package org.apache.hadoop.hdfs.server.datanode.fsdataset

Class FsDatasetSpi.Factory<D extends FsDatasetSpi<?>>

java.lang.Object

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

Direct Known Subclasses:

FsDatasetFactory

Enclosing interface:

FsDatasetSpi<V extends FsVolumeSpi>

public abstract static class FsDatasetSpi.Factory<D extends FsDatasetSpi<?>>
extends Object

A factory for creating FsDatasetSpi objects.

Constructor Summary

Constructors

Constructor	Description
Factory()

Method Summary

Modifier and Type	Method	Description
static FsDatasetSpi.Factory<?>	getFactory(org.apache.hadoop.conf.Configuration conf)
boolean	isSimulated()	Does the factory create simulated objects?
abstract D	newInstance(DataNode 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 Details

Factory

public Factory()

Method Details

getFactory

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

Returns:

the configured factory.

newInstance

public abstract D newInstance(DataNode 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?