/**
* Called when an existing node has a child node added or removed.
*
* @param path full path of the node whose children have changed
*/
public void nodeChildrenChanged(String path) {
List<String> peers = refreshPeersList(path);
if (peers == null) {
return;
}
LOG.info(path + " znode expired, triggering peerListChanged event");
for (ReplicationListener rl : listeners) {
rl.peerListChanged(peers);
}
}
/**
* Called when a node has been deleted
*
* @param path full path of the deleted node
*/
public void nodeDeleted(String path) {
List<String> peers = refreshPeersList(path);
if (peers == null) {
return;
}
if (isPeerPath(path)) {
String id = getZNodeName(path);
LOG.info(path + " znode expired, triggering peerRemoved event");
for (ReplicationListener rl : listeners) {
rl.peerRemoved(id);
}
}
}
/**
* Called when a node has been deleted
*
* @param path full path of the deleted node
*/
public void nodeDeleted(String path) {
if (stopper.isStopped()) {
return;
}
boolean cont = refreshListIfRightPath(path);
if (!cont) {
return;
}
LOG.info(path + " znode expired, triggering replicatorRemoved event");
for (ReplicationListener rl : listeners) {
rl.regionServerRemoved(getZNodeName(path));
}
}