/**
* Add an entry to the cache. If there's already an
* entry then for this host then the entry will be
* replaced.
*/
public function put(\blaze\lang\String $host, \blaze\lang\Object $address)
{
$policy = $this->getPolicy();
if ($policy == InetAddressCachePolicy::NEVER) {
return $this;
}
// purge any expired entries
if ($policy != InetAddressCachePolicy::FOREVER) {
// As we iterate in insertion order we can
// terminate when a non-expired entry is found.
$expired = new LinkedList();
$i = $cache->keySet()->iterator();
$now = System::currentTimeMillis();
while ($i->hasNext()) {
$key = $i->next();
$entry = $cache->get($key);
if ($entry->expiration >= 0 && $entry->expiration < $now) {
$expired->add($key);
} else {
break;
}
}
$i = $expired->iterator();
while ($i->hasNext()) {
$cache->remove($i->next());
}
}
// create new entry and add it to the cache
// -- as a HashMap replaces existing entries we
// don't need to explicitly check if there is
// already an entry for this host.
$expiration;
if ($policy == InetAddressCachePolicy::FOREVER) {
$expiration = -1;
} else {
$expiration = System::currentTimeMillis() + $policy * 1000;
}
$entry = new CacheEntry($address, $expiration);
$cache->put($host, $entry);
return $this;
}