Package org.apache.cassandra.utils

Class DirectorySizeCalculator

java.lang.Object

java.nio.file.SimpleFileVisitor<Path>

org.apache.cassandra.utils.DirectorySizeCalculator

All Implemented Interfaces:

FileVisitor<Path>

Direct Known Subclasses:

TableSnapshot.SnapshotTrueSizeCalculator

public class DirectorySizeCalculator
extends SimpleFileVisitor<Path>

Walks directory recursively, summing up total contents of files within.

Constructor Summary

Constructors

Constructor	Description
DirectorySizeCalculator()

Method Summary

Modifier and Type	Method	Description
long	getAllocatedSize()
boolean	isAcceptable(Path file)
protected void	resetSize()	Reset the size to 0 in case that the size calculator is used multiple times
FileVisitResult	visitFile(Path file, BasicFileAttributes attrs)
FileVisitResult	visitFileFailed(Path file, IOException exc)

Methods inherited from class java.nio.file.SimpleFileVisitor

postVisitDirectory, preVisitDirectory

Methods inherited from class java.lang.Object

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

Constructor Details

DirectorySizeCalculator

public DirectorySizeCalculator()

Method Details

isAcceptable

public boolean isAcceptable(Path file)

visitFile

public FileVisitResult visitFile(Path file,
 BasicFileAttributes attrs)
                          throws IOException

Specified by:

visitFile in interface FileVisitor<Path>

Overrides:

visitFile in class SimpleFileVisitor<Path>

Throws:

IOException

visitFileFailed

public FileVisitResult visitFileFailed(Path file,
 IOException exc)

Specified by:

visitFileFailed in interface FileVisitor<Path>

Overrides:

visitFileFailed in class SimpleFileVisitor<Path>

getAllocatedSize

public long getAllocatedSize()

resetSize

protected void resetSize()

Reset the size to 0 in case that the size calculator is used multiple times