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java.lang.Object | +--java.lang.Thread | +--org.w3c.www.protocol.http.cache.CacheSweeper
Field Summary | |
protected static int |
STATE_CLEAN_GENERATIONS
|
protected static int |
STATE_CLEAN_STORED
|
protected static int |
STATE_FORCE_CLEAN_GENERATIONS
|
protected static int |
STATE_FORCE_CLEAN_STORED
|
Fields inherited from class java.lang.Thread |
MAX_PRIORITY,
MIN_PRIORITY,
NORM_PRIORITY |
Constructor Summary | |
CacheSweeper()
|
Method Summary | |
protected abstract long |
collectCached(CacheGeneration generation,
long bytes,
boolean check)
collect the existing resources |
protected abstract long |
collectCached(long bytes,
boolean check)
collect the existing resources |
protected abstract void |
collectStored()
collect the still stored resources (disk) in the whole cache |
protected abstract void |
collectStored(CacheGeneration generation)
collect the still stored resources (disk) |
abstract void |
initialize(CacheFilter filter)
initialize the sweeper |
protected abstract void |
setState(int state)
change the state of the Sweeper |
abstract void |
signal()
Used to trigger a signal |
Methods inherited from class java.lang.Thread |
activeCount,
checkAccess,
countStackFrames,
currentThread,
destroy,
dumpStack,
enumerate,
getContextClassLoader,
getName,
getPriority,
getThreadGroup,
interrupt,
interrupted,
isAlive,
isDaemon,
isInterrupted,
join,
join,
join,
resume,
run,
setContextClassLoader,
setDaemon,
setName,
setPriority,
sleep,
sleep,
start,
stop,
stop,
suspend,
toString,
yield |
Methods inherited from class java.lang.Object |
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
wait,
wait,
wait |
Field Detail |
protected static final int STATE_CLEAN_STORED
protected static final int STATE_FORCE_CLEAN_STORED
protected static final int STATE_CLEAN_GENERATIONS
protected static final int STATE_FORCE_CLEAN_GENERATIONS
Constructor Detail |
public CacheSweeper()
Method Detail |
public abstract void signal()
protected abstract void setState(int state)
an
- integer, setting the new cache stateprotected abstract void collectStored(CacheGeneration generation)
generation,
- the CacheGeneration to cleanprotected abstract void collectStored()
protected abstract long collectCached(CacheGeneration generation, long bytes, boolean check)
generation,
- the CacheGeneration to cleanbytes,
- a long. The number of bytes to collectcheck,
- a boolean. If true, then only the stale resources
will be removedprotected abstract long collectCached(long bytes, boolean check)
bytes,
- a long. The number of bytes to collectcheck,
- a boolean. If true, then only the stale resources
will be removedpublic abstract void initialize(CacheFilter filter)
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