@Override
public Void call() throws Exception {
final BackupResult backupResult = _result.get();
if (_pingSessionIfBackupWasSkipped) {
if (backupResult.getStatus() == BackupResultStatus.SKIPPED) {
pingSession(_session, _backupSessionService);
}
}
/*
* For non-sticky sessions we store a backup of the session in a secondary memcached node (under a special key
* that's resolved by the SuffixBasedNodeLocator), but only when we have more than 1 memcached node configured...
*/
if (_storeSecondaryBackup) {
try {
if (_log.isDebugEnabled()) {
_log.debug(
"Storing backup in secondary memcached for non-sticky session " + _session.getId());
}
if (backupResult.getStatus() == BackupResultStatus.SKIPPED) {
pingSessionBackup(_session);
} else {
saveSessionBackupFromResult(backupResult);
}
saveValidityBackup();
} catch (final RuntimeException e) {
_log.info("Could not store secondary backup of session " + _session.getIdInternal(), e);
}
}
return null;
}
public void saveSessionBackupFromResult(final BackupResult backupResult) {
final byte[] data = backupResult.getData();
if (data != null) {
final String key = _sessionIdFormat.createBackupKey(_session.getId());
_memcached.set(
key, toMemcachedExpiration(_session.getMemcachedExpirationTimeToSet()), data);
} else {
_log.warn(
"No data set for backupResultStatus "
+ backupResult.getStatus()
+ " for sessionId "
+ _session.getIdInternal()
+ ", skipping backup"
+ " of non-sticky session in secondary memcached.");
}
}