org.dcm4che3.filecache

Class FileCache

java.lang.Object

org.dcm4che3.filecache.FileCache

public class FileCache
extends Object

Author:

Gunter Zeilinger

Field Summary

Fields

Modifier and Type	Field and Description
private int	currentJournalNumEntries
private java.nio.file.Path	fileCacheRootDirectory
private AtomicBoolean	freeIsRunning
private String	journalDirectoryName
private String	journalFileName
private SimpleDateFormat	journalFileNamePattern
private int	journalMaxEntries
private java.nio.file.Path	journalRootDirectory
private boolean	leastRecentlyUsed
private static Logger	LOG
private String	orphanedFileName
private static Charset	UTF_8

Constructor Summary

Constructors

Constructor and Description
FileCache()

Method Summary

Modifier and Type	Method and Description
boolean	access(java.nio.file.Path path)
void	clear()
private int	countLines(java.nio.file.Path journalFile)
private static void	deleteDirContent(java.nio.file.Path dir)
long	free(long size)
private long	free(java.nio.file.Path journalFile)
private long	free(java.nio.file.Path dir, long size)
java.nio.file.Path	getFileCacheRootDirectory()
java.nio.file.Path	getJournalDirectory()
String	getJournalDirectoryName()
java.nio.file.Path	getJournalFile()
String	getJournalFileName()
String	getJournalFileNamePattern()
int	getJournalMaxEntries()
java.nio.file.Path	getJournalRootDirectory()
java.nio.file.Path	getOrphanedFile()
String	getOrphanedFileName()
Collection<java.nio.file.Path>	getOrphanedFiles()
boolean	isLeastRecentlyUsed()
private Collection<java.nio.file.Path>	listFiles(java.nio.file.Path dir)
private void	moveJournalFile(java.nio.file.Path journalFile)
private void	purgeEmptyDirectories(java.nio.file.Path dir, java.nio.file.Path root)
void	register(java.nio.file.Path path)
void	setFileCacheRootDirectory(java.nio.file.Path fileCacheRootDirectory)
void	setJournalDirectoryName(String journalDirectoryName)
void	setJournalFileName(String journalFileName)
void	setJournalFileNamePattern(String pattern)
void	setJournalMaxEntries(int journalMaxEntries)
void	setJournalRootDirectory(java.nio.file.Path journalRootDirectory)
void	setLeastRecentlyUsed(boolean leastRecentlyUsed)
void	setOrphanedFileName(String orphanedFileName)
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final Logger LOG

UTF_8

private static final Charset UTF_8

fileCacheRootDirectory

private java.nio.file.Path fileCacheRootDirectory

journalRootDirectory

private java.nio.file.Path journalRootDirectory

journalFileName

private String journalFileName

orphanedFileName

private String orphanedFileName

journalDirectoryName

private String journalDirectoryName

journalFileNamePattern

private SimpleDateFormat journalFileNamePattern

journalMaxEntries

private int journalMaxEntries

leastRecentlyUsed

private boolean leastRecentlyUsed

currentJournalNumEntries

private int currentJournalNumEntries

freeIsRunning

private final AtomicBoolean freeIsRunning

Constructor Detail

FileCache

public FileCache()

Method Detail

getFileCacheRootDirectory

public java.nio.file.Path getFileCacheRootDirectory()

setFileCacheRootDirectory

public void setFileCacheRootDirectory(java.nio.file.Path fileCacheRootDirectory)

getJournalRootDirectory

public java.nio.file.Path getJournalRootDirectory()

setJournalRootDirectory

public void setJournalRootDirectory(java.nio.file.Path journalRootDirectory)

getJournalFileName

public String getJournalFileName()

setJournalFileName

public void setJournalFileName(String journalFileName)

getJournalFile

public java.nio.file.Path getJournalFile()

getJournalDirectoryName

public String getJournalDirectoryName()

setJournalDirectoryName

public void setJournalDirectoryName(String journalDirectoryName)

getJournalDirectory

public java.nio.file.Path getJournalDirectory()

getJournalFileNamePattern

public String getJournalFileNamePattern()

setJournalFileNamePattern

public void setJournalFileNamePattern(String pattern)

getJournalMaxEntries

public int getJournalMaxEntries()

setJournalMaxEntries

public void setJournalMaxEntries(int journalMaxEntries)

getOrphanedFileName

public String getOrphanedFileName()

setOrphanedFileName

public void setOrphanedFileName(String orphanedFileName)

getOrphanedFile

public java.nio.file.Path getOrphanedFile()

getOrphanedFiles

public Collection<java.nio.file.Path> getOrphanedFiles()
                                                throws IOException

Throws:

IOException

isLeastRecentlyUsed

public boolean isLeastRecentlyUsed()

setLeastRecentlyUsed

public void setLeastRecentlyUsed(boolean leastRecentlyUsed)

toString

public String toString()

Overrides:

toString in class Object

register

public void register(java.nio.file.Path path)
              throws IOException

Throws:

IOException

moveJournalFile

private void moveJournalFile(java.nio.file.Path journalFile)
                      throws IOException

Throws:

IOException

access

public boolean access(java.nio.file.Path path)
               throws IOException

Throws:

IOException

free

public long free(long size)
          throws IOException

Throws:

IOException

free

private long free(java.nio.file.Path dir,
                  long size)
           throws IOException

Throws:

IOException

listFiles

private Collection<java.nio.file.Path> listFiles(java.nio.file.Path dir)
                                          throws IOException

Throws:

IOException

clear

public void clear()
           throws IOException

Throws:

IOException

countLines

private int countLines(java.nio.file.Path journalFile)
                throws IOException

Throws:

IOException

deleteDirContent

private static void deleteDirContent(java.nio.file.Path dir)
                              throws IOException

Throws:

IOException

free

private long free(java.nio.file.Path journalFile)
           throws IOException

Throws:

IOException

purgeEmptyDirectories

private void purgeEmptyDirectories(java.nio.file.Path dir,
                                   java.nio.file.Path root)