Class CacheIndexFile

java.lang.Object

net.adoptopenjdk.icedteaweb.resources.cache.CacheIndexFile

class CacheIndexFile
extends Object

Class to interface with the LRU cache index file.

The following restriction are enforced by the class: - loading and saving can only be done when locked - reading and changing the entities can only be done after loading

Field Summary

Fields

Modifier and Type	Field	Description
private final CacheIndexEntries	entries
private long	lastLoadOrStore	time of last modification, lazy loaded on getProperty
private static final String	LINE_END
private final LockableFile	lockableFile
private boolean	requestCompression
private final List<CacheAction>	unsavedActions

Constructor Summary

Constructors

Constructor	Description
CacheIndexFile(File file)
CacheIndexFile(LockableFile lockableFile)

Method Summary

Modifier and Type	Method	Description
(package private) void	addEntry(CacheIndexEntry entry)
private void	appendUnsavedActionsToFile()
private void	applyAndSort(CacheAction action)
(package private) void	clear()
(package private) List<CacheIndexEntry>	getAllEntries()
private boolean	hasNeverBeenLoaded()
(package private) boolean	isDirty()
(package private) void	load()
(package private) void	lock()
(package private) void	markAccessed(CacheIndexEntry entry, long lastAccessed)
(package private) void	persistChanges()
(package private) void	removeEntry(CacheIndexEntry entry)
(package private) void	requestCompression()
private void	saveCompactedFile()
(package private) void	unlock()
(package private) boolean	usesFile(File file)

Methods inherited from class Object

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

Field Details

LINE_END

private static final String LINE_END

See Also:

• Constant Field Values

lockableFile

private final LockableFile lockableFile

unsavedActions

private final List<CacheAction> unsavedActions

lastLoadOrStore

private long lastLoadOrStore

time of last modification, lazy loaded on getProperty

requestCompression

private boolean requestCompression

entries

private final CacheIndexEntries entries

Constructor Details

CacheIndexFile

CacheIndexFile(File file)

CacheIndexFile

CacheIndexFile(LockableFile lockableFile)

Method Details

usesFile

boolean usesFile(File file)

getAllEntries

List<CacheIndexEntry> getAllEntries()

addEntry

void addEntry(CacheIndexEntry entry)

markAccessed

void markAccessed(CacheIndexEntry entry,
 long lastAccessed)

removeEntry

void removeEntry(CacheIndexEntry entry)

applyAndSort

private void applyAndSort(CacheAction action)

clear

void clear()

load

void load()
   throws IOException

Throws:

IOException

isDirty

boolean isDirty()

requestCompression

void requestCompression()

persistChanges

void persistChanges()
             throws IOException

Throws:

IOException

appendUnsavedActionsToFile

private void appendUnsavedActionsToFile()
                                 throws IOException

Throws:

IOException

saveCompactedFile

private void saveCompactedFile()
                        throws IOException

Throws:

IOException

lock

void lock()
   throws IOException

Throws:

IOException

unlock

void unlock()
     throws IOException

Throws:

IOException

hasNeverBeenLoaded

private boolean hasNeverBeenLoaded()