/**
* Returns the expiration time based on time to live. If this element also has a time to idle
* setting, the expiry time will vary depending on whether the element is accessed.
*
* @return the time to expiration
*/
public long getExpirationTime() {
if (!isLifespanSet() || isEternal()) {
return Long.MAX_VALUE;
}
long expirationTime = 0;
long ttlExpiry = creationTime + TimeUtil.toMillis(getTimeToLive());
long mostRecentTime = Math.max(creationTime, lastAccessTime);
long ttiExpiry = mostRecentTime + TimeUtil.toMillis(getTimeToIdle());
if (getTimeToLive() != 0 && (getTimeToIdle() == 0 || lastAccessTime == 0)) {
expirationTime = ttlExpiry;
} else if (getTimeToLive() == 0) {
expirationTime = ttiExpiry;
} else {
expirationTime = Math.min(ttlExpiry, ttiExpiry);
}
return expirationTime;
}
/** Custom serialization read logic */
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
in.defaultReadObject();
creationTime = TimeUtil.toMillis(in.readInt());
lastAccessTime = TimeUtil.toMillis(in.readInt());
}