/**
* Returns the value of the statistic.
*
* @param stat the name of the statistic.
* @return the value.
*/
public Object getStat(String stat) {
Lock lock = this.lock.readLock();
Object value;
lock.lock();
try {
value = stats.get(stat);
} finally {
lock.unlock();
}
return value;
}
/**
* returns the RDPConnection that is registered for the given datagram channel and is connected to
* the host/port in ConnectionInfo returns null if there is no matching registered rdpconnection
*/
static RDPConnection getConnection(DatagramChannel dc, ConnectionInfo conInfo) {
lock.lock();
try {
Map<ConnectionInfo, RDPConnection> dcConMap = allConMap.get(dc);
if (dcConMap == null) {
// there isnt even a datagram associated
if (Log.loggingNet) Log.net("RDPServer.getConnection: could not find datagram");
return null;
}
return dcConMap.get(conInfo);
} finally {
lock.unlock();
}
}
/**
* Cache preloader should call this method within partition lock.
*
* @param key Key.
* @param ver Version.
* @return {@code True} if preloading is permitted.
*/
public boolean preloadingPermitted(KeyCacheObject key, GridCacheVersion ver) {
assert key != null;
assert ver != null;
assert lock.isHeldByCurrentThread(); // Only one thread can enter this method at a time.
if (state() != MOVING) return false;
Map<KeyCacheObject, GridCacheVersion> evictHist0 = evictHist;
if (evictHist0 != null) {
GridCacheVersion ver0 = evictHist0.get(key);
// Permit preloading if version in history
// is missing or less than passed in.
return ver0 == null || ver0.isLess(ver);
}
return false;
}
/**
* @param key Key.
* @param ver Version.
*/
public void onEntryEvicted(KeyCacheObject key, GridCacheVersion ver) {
assert key != null;
assert ver != null;
assert lock.isHeldByCurrentThread(); // Only one thread can enter this method at a time.
if (state() != MOVING) return;
Map<KeyCacheObject, GridCacheVersion> evictHist0 = evictHist;
if (evictHist0 != null) {
GridCacheVersion ver0 = evictHist0.get(key);
if (ver0 == null || ver0.isLess(ver)) {
GridCacheVersion ver1 = evictHist0.put(key, ver);
assert ver1 == ver0;
}
}
}
/** {@inheritDoc} */
@Override
public boolean isCacheTopologyValid(GridCacheContext cctx) {
return cctx.config().getTopologyValidator() != null && cacheValidRes.containsKey(cctx.cacheId())
? cacheValidRes.get(cctx.cacheId())
: true;
}
public static HttpSession find(boolean uselog, String sessionId) {
return sessions.get(sessionId);
}