FSVisitor (Apache HBase 1.2.12 API)

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`

Field Summary

Fields
Modifier and Type Field and Description

private static org.apache.commons.logging.Log LOG

Fields
Modifier and Type	Field and Description
`private static org.apache.commons.logging.Log`	`LOG`

Constructor Summary

Constructors
Modifier Constructor and Description

private FSVisitor()

Constructors
Modifier	Constructor and Description
`private`	`FSVisitor()`

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

Field Detail

LOG

private static final org.apache.commons.logging.Log LOG

Constructor Detail
- FSVisitor
```
private FSVisitor()
```

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

Class FSVisitor

Nested Class Summary

Field Summary

Constructor Summary