org.apache.cassandra.utils

Class DirectorySizeCalculator

java.lang.Object

java.nio.file.SimpleFileVisitor<java.nio.file.Path>

org.apache.cassandra.utils.DirectorySizeCalculator

All Implemented Interfaces:

java.nio.file.FileVisitor<java.nio.file.Path>

public class DirectorySizeCalculator
extends java.nio.file.SimpleFileVisitor<java.nio.file.Path>

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

Field Summary

Fields

Modifier and Type	Field and Description
protected java.util.Set<java.lang.String>	alive
protected java.io.File	path
protected java.util.concurrent.atomic.AtomicLong	size
protected java.util.Set<java.lang.String>	visited

Constructor Summary

Constructors

Constructor and Description
DirectorySizeCalculator(java.io.File path)
DirectorySizeCalculator(java.util.List<java.io.File> files)

Method Summary

Modifier and Type	Method and Description
long	getAllocatedSize()
boolean	isAcceptable(java.nio.file.Path file)
void	rebuildFileList()
java.nio.file.FileVisitResult	visitFile(java.nio.file.Path file, java.nio.file.attribute.BasicFileAttributes attrs)
java.nio.file.FileVisitResult	visitFileFailed(java.nio.file.Path file, java.io.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

Field Detail

size

protected final java.util.concurrent.atomic.AtomicLong size

visited

protected java.util.Set<java.lang.String> visited

alive

protected java.util.Set<java.lang.String> alive

path

protected final java.io.File path

Constructor Detail

DirectorySizeCalculator

public DirectorySizeCalculator(java.io.File path)

DirectorySizeCalculator

public DirectorySizeCalculator(java.util.List<java.io.File> files)

Method Detail

isAcceptable

public boolean isAcceptable(java.nio.file.Path file)

rebuildFileList

public void rebuildFileList()

visitFile

public java.nio.file.FileVisitResult visitFile(java.nio.file.Path file,
                                               java.nio.file.attribute.BasicFileAttributes attrs)
                                        throws java.io.IOException

Specified by:

visitFile in interface java.nio.file.FileVisitor<java.nio.file.Path>

Overrides:

visitFile in class java.nio.file.SimpleFileVisitor<java.nio.file.Path>

Throws:

java.io.IOException

visitFileFailed

public java.nio.file.FileVisitResult visitFileFailed(java.nio.file.Path file,
                                                     java.io.IOException exc)
                                              throws java.io.IOException

Specified by:

visitFileFailed in interface java.nio.file.FileVisitor<java.nio.file.Path>

Overrides:

visitFileFailed in class java.nio.file.SimpleFileVisitor<java.nio.file.Path>

Throws:

java.io.IOException

getAllocatedSize

public long getAllocatedSize()