protected boolean saveInternal(Jedis jedis, Session session, boolean forceSave)
throws IOException {
Boolean error = true;
try {
log.trace("Saving session " + session + " into Redis");
RedisSession redisSession = (RedisSession) session;
if (log.isTraceEnabled()) {
log.trace("Session Contents [" + redisSession.getId() + "]:");
Enumeration en = redisSession.getAttributeNames();
while (en.hasMoreElements()) {
log.trace(" " + en.nextElement());
}
}
byte[] binaryId = redisSession.getId().getBytes();
Boolean isCurrentSessionPersisted;
SessionSerializationMetadata sessionSerializationMetadata =
currentSessionSerializationMetadata.get();
byte[] originalSessionAttributesHash =
sessionSerializationMetadata.getSessionAttributesHash();
byte[] sessionAttributesHash = null;
if (forceSave
|| redisSession.isDirty()
|| null == (isCurrentSessionPersisted = this.currentSessionIsPersisted.get())
|| !isCurrentSessionPersisted
|| !Arrays.equals(
originalSessionAttributesHash,
(sessionAttributesHash = serializer.attributesHashFrom(redisSession)))) {
log.trace("Save was determined to be necessary");
if (null == sessionAttributesHash) {
sessionAttributesHash = serializer.attributesHashFrom(redisSession);
}
SessionSerializationMetadata updatedSerializationMetadata =
new SessionSerializationMetadata();
updatedSerializationMetadata.setSessionAttributesHash(sessionAttributesHash);
jedis.set(binaryId, serializer.serializeFrom(redisSession, updatedSerializationMetadata));
redisSession.resetDirtyTracking();
currentSessionSerializationMetadata.set(updatedSerializationMetadata);
currentSessionIsPersisted.set(true);
} else {
log.trace("Save was determined to be unnecessary");
}
log.trace(
"Setting expire timeout on session ["
+ redisSession.getId()
+ "] to "
+ getMaxInactiveInterval());
jedis.expire(binaryId, getMaxInactiveInterval());
error = false;
return error;
} catch (IOException e) {
log.error(e.getMessage());
throw e;
} finally {
return error;
}
}
