@Override
protected RedisSession loadSession(final String clusterId, final RedisSession current) {
long now = System.currentTimeMillis();
RedisSession loaded;
if (current == null) {
LOG.debug(
"[RedisSessionManager] loadSession - No session found in cache, loading id={}",
clusterId);
loaded = loadFromStore(clusterId, current);
} else if (current.requestStarted()) {
LOG.debug(
"[RedisSessionManager] loadSession - Existing session found in cache, loading id={}",
clusterId);
loaded = loadFromStore(clusterId, current);
} else {
loaded = current;
}
if (loaded == null) {
LOG.debug(
"[RedisSessionManager] loadSession - No session found in Redis for id={}", clusterId);
if (current != null) current.invalidate();
} else if (loaded == current) {
LOG.debug(
"[RedisSessionManager] loadSession - No change found in Redis for session id={}",
clusterId);
return loaded;
} else if (!loaded.lastNode.equals(getSessionIdManager().getWorkerName()) || current == null) {
// if the session in the database has not already expired
if (loaded.expiryTime * 1000 > now) {
// session last used on a different node, or we don't have it in memory
loaded.changeLastNode(getSessionIdManager().getWorkerName());
} else {
LOG.debug(
"[RedisSessionManager] loadSession - Loaded session has expired, id={}", clusterId);
loaded = null;
}
}
return loaded;
}
