/**
* Returns all region servers from given peer
*
* @param peerClusterId (byte) the cluster to interrogate
* @return addresses of all region servers
*/
public List<HServerAddress> getSlavesAddresses(String peerClusterId) {
if (this.peerClusters.size() == 0) {
return new ArrayList<HServerAddress>(0);
}
ReplicationPeer peer = this.peerClusters.get(peerClusterId);
if (peer == null) {
return new ArrayList<HServerAddress>(0);
}
peer.setRegionServers(fetchSlavesAddresses(peer.getZkw()));
return peer.getRegionServers();
}
@Override
public List<ServerName> getRegionServersOfConnectedPeer(String peerId) {
if (this.peerClusters.size() == 0) {
return Collections.emptyList();
}
ReplicationPeer peer = this.peerClusters.get(peerId);
if (peer == null) {
return Collections.emptyList();
}
List<ServerName> addresses;
try {
addresses = fetchSlavesAddresses(peer.getZkw());
} catch (KeeperException ke) {
if (LOG.isDebugEnabled()) {
LOG.debug("Fetch salves addresses failed.", ke);
}
reconnectPeer(ke, peer);
addresses = Collections.emptyList();
}
peer.setRegionServers(addresses);
return peer.getRegionServers();
}
