Package org.apache.hadoop.hdfs.server.federation.router

Class RouterSnapshot

java.lang.Object

org.apache.hadoop.hdfs.server.federation.router.RouterSnapshot

Direct Known Subclasses:

RouterAsyncSnapshot

public class RouterSnapshot
extends Object

Module that implements all the RPC calls related to snapshots in ClientProtocol in the RouterRpcServer.

Constructor Summary

Constructors

Constructor	Description
RouterSnapshot(RouterRpcServer server)

Method Summary

Modifier and Type	Method	Description
void	allowSnapshot(String snapshotRoot)
String	createSnapshot(String snapshotRoot, String snapshotName)
void	deleteSnapshot(String snapshotRoot, String snapshotName)
void	disallowSnapshot(String snapshotRoot)
org.apache.hadoop.hdfs.protocol.SnapshotDiffReport	getSnapshotDiffReport(String snapshotRoot, String earlierSnapshotName, String laterSnapshotName)
org.apache.hadoop.hdfs.protocol.SnapshotDiffReportListing	getSnapshotDiffReportListing(String snapshotRoot, String earlierSnapshotName, String laterSnapshotName, byte[] startPath, int index)
org.apache.hadoop.hdfs.protocol.SnapshotStatus[]	getSnapshotListing(String snapshotRoot)
org.apache.hadoop.hdfs.protocol.SnapshottableDirectoryStatus[]	getSnapshottableDirListing()
void	renameSnapshot(String snapshotRoot, String oldSnapshotName, String newSnapshot)

Methods inherited from class java.lang.Object

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

Constructor Details

RouterSnapshot

public RouterSnapshot(RouterRpcServer server)

Method Details

allowSnapshot

public void allowSnapshot(String snapshotRoot)
                   throws IOException

Throws:

IOException

disallowSnapshot

public void disallowSnapshot(String snapshotRoot)
                      throws IOException

Throws:

IOException

createSnapshot

public String createSnapshot(String snapshotRoot,
 String snapshotName)
                      throws IOException

Throws:

IOException

deleteSnapshot

public void deleteSnapshot(String snapshotRoot,
 String snapshotName)
                    throws IOException

Throws:

IOException

renameSnapshot

public void renameSnapshot(String snapshotRoot,
 String oldSnapshotName,
 String newSnapshot)
                    throws IOException

Throws:

IOException

getSnapshottableDirListing

public org.apache.hadoop.hdfs.protocol.SnapshottableDirectoryStatus[] getSnapshottableDirListing()
                                                                                          throws IOException

Throws:

IOException

getSnapshotListing

public org.apache.hadoop.hdfs.protocol.SnapshotStatus[] getSnapshotListing(String snapshotRoot)
                                                                    throws IOException

Throws:

IOException

getSnapshotDiffReport

public org.apache.hadoop.hdfs.protocol.SnapshotDiffReport getSnapshotDiffReport(String snapshotRoot,
 String earlierSnapshotName,
 String laterSnapshotName)
                                                                         throws IOException

Throws:

IOException

getSnapshotDiffReportListing

public org.apache.hadoop.hdfs.protocol.SnapshotDiffReportListing getSnapshotDiffReportListing(String snapshotRoot,
 String earlierSnapshotName,
 String laterSnapshotName,
 byte[] startPath,
 int index)
                                                                                       throws IOException

Throws:

IOException