org.apache.hadoop.hbase.util

Class FSVisitor

java.lang.Object

org.apache.hadoop.hbase.util.FSVisitor

@InterfaceAudience.Private
public final class FSVisitor
extends Object

Utility methods for interacting with the hbase.root file system.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	FSVisitor.LogFileVisitor
static interface	FSVisitor.RecoveredEditsVisitor
static interface	FSVisitor.RegionVisitor
static interface	FSVisitor.StoreFileVisitor

Method Summary

Methods

Modifier and Type	Method and Description
static void	visitLogFiles(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path rootDir, FSVisitor.LogFileVisitor visitor) Iterate over hbase log files
static void	visitRegionRecoveredEdits(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path regionDir, FSVisitor.RecoveredEditsVisitor visitor) Iterate over recovered.edits of the specified region
static void	visitRegions(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path tableDir, FSVisitor.RegionVisitor visitor) Iterate over the table store files
static void	visitRegionStoreFiles(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path regionDir, FSVisitor.StoreFileVisitor visitor) Iterate over the region store files
static void	visitTableRecoveredEdits(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path tableDir, FSVisitor.RecoveredEditsVisitor visitor) Iterate over each region in the table and inform about recovered.edits
static void	visitTableStoreFiles(org.apache.hadoop.fs.FileSystem fs, org.apache.hadoop.fs.Path tableDir, FSVisitor.StoreFileVisitor visitor) Iterate over the table store files

Methods inherited from class java.lang.Object

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

Method Detail

visitRegions

public static void visitRegions(org.apache.hadoop.fs.FileSystem fs,
                org.apache.hadoop.fs.Path tableDir,
                FSVisitor.RegionVisitor visitor)
                         throws IOException

Iterate over the table store files

Parameters:

fs - FileSystem

tableDir - Path to the table directory

visitor - callback object to get the store files

Throws:

IOException - if an error occurred while scanning the directory

visitTableStoreFiles

public static void visitTableStoreFiles(org.apache.hadoop.fs.FileSystem fs,
                        org.apache.hadoop.fs.Path tableDir,
                        FSVisitor.StoreFileVisitor visitor)
                                 throws IOException

Iterate over the table store files

Parameters:

fs - FileSystem

tableDir - Path to the table directory

visitor - callback object to get the store files

Throws:

IOException - if an error occurred while scanning the directory

visitRegionStoreFiles

public static void visitRegionStoreFiles(org.apache.hadoop.fs.FileSystem fs,
                         org.apache.hadoop.fs.Path regionDir,
                         FSVisitor.StoreFileVisitor visitor)
                                  throws IOException

Iterate over the region store files

Parameters:

fs - FileSystem

regionDir - Path to the region directory

visitor - callback object to get the store files

Throws:

IOException - if an error occurred while scanning the directory

visitTableRecoveredEdits

public static void visitTableRecoveredEdits(org.apache.hadoop.fs.FileSystem fs,
                            org.apache.hadoop.fs.Path tableDir,
                            FSVisitor.RecoveredEditsVisitor visitor)
                                     throws IOException

Iterate over each region in the table and inform about recovered.edits

Parameters:

fs - FileSystem

tableDir - Path to the table directory

visitor - callback object to get the recovered.edits files

Throws:

IOException - if an error occurred while scanning the directory

visitRegionRecoveredEdits

public static void visitRegionRecoveredEdits(org.apache.hadoop.fs.FileSystem fs,
                             org.apache.hadoop.fs.Path regionDir,
                             FSVisitor.RecoveredEditsVisitor visitor)
                                      throws IOException

Iterate over recovered.edits of the specified region

Parameters:

fs - FileSystem

regionDir - Path to the Region directory

visitor - callback object to get the recovered.edits files

Throws:

IOException - if an error occurred while scanning the directory

visitLogFiles

public static void visitLogFiles(org.apache.hadoop.fs.FileSystem fs,
                 org.apache.hadoop.fs.Path rootDir,
                 FSVisitor.LogFileVisitor visitor)
                          throws IOException

Iterate over hbase log files

Parameters:

fs - FileSystem

rootDir - Path to the HBase root folder

visitor - callback object to get the log files

Throws:

IOException - if an error occurred while scanning the directory