private boolean pingSession(@Nonnull final String sessionId) throws InterruptedException {
final Future<Boolean> touchResult = _memcached.add(_storageKeyFormat.format(sessionId), 1, 1);
try {
if (touchResult.get()) {
_stats.nonStickySessionsPingFailed();
_log.warn(
"The session "
+ sessionId
+ " should be touched in memcached, but it does not exist therein.");
return false;
}
_log.debug("The session was ping'ed successfully.");
return true;
} catch (final ExecutionException e) {
_log.warn("An exception occurred when trying to ping session " + sessionId, e);
return false;
}
}
private void pingSession(
@Nonnull final MemcachedBackupSession session,
@Nonnull final BackupSessionService backupSessionService)
throws InterruptedException {
final Future<Boolean> touchResult =
_memcached.add(_storageKeyFormat.format(session.getIdInternal()), 5, 1);
try {
if (touchResult.get()) {
_stats.nonStickySessionsPingFailed();
_log.warn(
"The session "
+ session.getIdInternal()
+ " should be touched in memcached, but it does not exist"
+ " therein. Will store in memcached again.");
updateSession(session, backupSessionService);
} else _log.debug("The session was ping'ed successfully.");
} catch (final ExecutionException e) {
_log.warn("An exception occurred when trying to ping session " + session.getIdInternal(), e);
}
}
@CheckForNull
protected SessionValidityInfo loadSessionValidityInfoForValidityKey(
@Nonnull final String validityInfoKey) {
final byte[] validityInfo = (byte[]) _memcached.get(_storageKeyFormat.format(validityInfoKey));
return validityInfo != null ? decode(validityInfo) : null;
}
