public ClientSessionFactory createSessionFactory(String nodeID) throws Exception {
TopologyMember topologyMember = topology.getMember(nodeID);
if (HornetQLogger.LOGGER.isTraceEnabled()) {
HornetQLogger.LOGGER.trace(
"Creating connection factory towards "
+ nodeID
+ " = "
+ topologyMember
+ ", topology="
+ topology.describe());
}
if (topologyMember == null) {
return null;
} else if (topologyMember.getA() != null) {
ClientSessionFactoryInternal factory =
(ClientSessionFactoryInternal) createSessionFactory(topologyMember.getA());
if (topologyMember.getB() != null) {
factory.setBackupConnector(topologyMember.getA(), topologyMember.getB());
}
return factory;
} else if (topologyMember.getA() == null && topologyMember.getB() != null) {
// This shouldn't happen, however I wanted this to consider all possible cases
ClientSessionFactoryInternal factory =
(ClientSessionFactoryInternal) createSessionFactory(topologyMember.getB());
return factory;
} else {
// it shouldn't happen
return null;
}
}
@SuppressWarnings("unchecked")
private synchronized void updateArraysAndPairs() {
Collection<TopologyMember> membersCopy = topology.getMembers();
topologyArray =
(Pair<TransportConfiguration, TransportConfiguration>[])
Array.newInstance(Pair.class, membersCopy.size());
int count = 0;
for (TopologyMember pair : membersCopy) {
topologyArray[count++] = pair.getConnector();
}
}
public void notifyNodeUp(
long uniqueEventID,
final String nodeID,
final Pair<TransportConfiguration, TransportConfiguration> connectorPair,
final boolean last) {
if (!ha) {
// there's no topology
return;
}
if (HornetQLogger.LOGGER.isDebugEnabled()) {
HornetQLogger.LOGGER.debug(
"NodeUp " + this + "::nodeID=" + nodeID + ", connectorPair=" + connectorPair,
new Exception("trace"));
}
TopologyMember member = new TopologyMember(connectorPair.getA(), connectorPair.getB());
topology.updateMember(uniqueEventID, nodeID, member);
TopologyMember actMember = topology.getMember(nodeID);
if (actMember != null
&& actMember.getConnector().getA() != null
&& actMember.getConnector().getB() != null) {
HashSet<ClientSessionFactory> clonedFactories = new HashSet<ClientSessionFactory>();
synchronized (factories) {
clonedFactories.addAll(factories);
}
for (ClientSessionFactory factory : clonedFactories) {
((ClientSessionFactoryInternal) factory)
.setBackupConnector(actMember.getConnector().getA(), actMember.getConnector().getB());
}
}
updateArraysAndPairs();
if (last) {
synchronized (this) {
receivedTopology = true;
// Notify if waiting on getting topology
notifyAll();
}
}
}
