/**
* Set the encapsulated Peer Advertisement.
*
* @param adv is the RdvAdvertisement to be set.
* @return RdvAdvertisement the old Advertisement of the Peer represented by this object
*/
RdvAdvertisement setRdvAdvertisement(RdvAdvertisement adv) {
if (!radv.getPeerID().equals(adv.getPeerID())) {
if (LOG.isEnabledFor(Level.ERROR)) {
LOG.error("adv refers to a different peer");
}
throw new IllegalArgumentException("adv refers to a different peer");
}
RdvAdvertisement old = radv;
this.radv = adv;
setLastUpdateTime(TimeUtils.timeNow());
return old;
}
/**
* Initialize from a RdvAdvertisement.
*
* @param rendezvous The rendezvous the element works for.
* @param adv the RdvAdvertisement from which to initialize
*/
PeerViewElement(EndpointService endpoint, RdvAdvertisement radv) {
super(radv.getPeerID());
this.endpoint = endpoint;
this.radv = radv;
created = TimeUtils.timeNow();
lastUpdate = created;
}
/**
* Return a messenger suitable for sending to this peer.
*
* @return a messenger to this PVE peer or if <code>null</code> if peer is unreachable.
*/
private Messenger getCachedMessenger() {
boolean updateAlive = false;
synchronized (this) {
if ((null == cachedMessenger) || cachedMessenger.isClosed()) {
cachedMessenger = null;
if (LOG.isEnabledFor(Level.DEBUG)) {
LOG.debug("Getting cached Messenger for " + radv.getName());
}
updateAlive = true;
cachedMessenger = endpoint.getMessenger(getDestAddress(), radv.getRouteAdv());
}
}
if (updateAlive) {
setAlive(null != cachedMessenger);
}
return cachedMessenger;
}
/** {@inheritDoc} */
public String toString() {
StringBuffer asString = new StringBuffer();
asString.append('"');
asString.append(radv.getName());
asString.append('"');
asString.append(alive ? " A " : " a ");
asString.append(isInPeerView() ? " P " : " p ");
asString.append(throttling ? " T " : " t ");
asString.append(" [");
asString.append(
TimeUtils.toRelativeTimeMillis(TimeUtils.timeNow(), created) / TimeUtils.ASECOND);
asString.append("/");
asString.append(
TimeUtils.toRelativeTimeMillis(TimeUtils.timeNow(), lastUpdate) / TimeUtils.ASECOND);
asString.append("]");
return asString.toString();
}