public void disconnect() {
if (factory != null) {
factory.causeExit();
factory.cleanup();
factory = null;
}
}
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;
}
}
private synchronized void createConnectors() {
if (connectors != null) {
for (Connector conn : connectors) {
if (conn != null) {
conn.disconnect();
}
}
}
connectors = new ArrayList<Connector>();
for (TransportConfiguration initialConnector : initialConnectors) {
ClientSessionFactoryInternal factory =
new ClientSessionFactoryImpl(
ServerLocatorImpl.this,
initialConnector,
callTimeout,
callFailoverTimeout,
clientFailureCheckPeriod,
connectionTTL,
retryInterval,
retryIntervalMultiplier,
maxRetryInterval,
reconnectAttempts,
threadPool,
scheduledThreadPool,
interceptors);
factory.disableFinalizeCheck();
connectors.add(new Connector(initialConnector, factory));
}
}
public ClientSessionFactory tryConnect() throws HornetQException {
if (HornetQLogger.LOGGER.isDebugEnabled()) {
HornetQLogger.LOGGER.debug(this + "::Trying to connect to " + factory);
}
try {
ClientSessionFactoryInternal factoryToUse = factory;
if (factoryToUse != null) {
addToConnecting(factoryToUse);
try {
factoryToUse.connect(1, false);
} finally {
removeFromConnecting(factoryToUse);
}
}
return factoryToUse;
} catch (HornetQException e) {
HornetQLogger.LOGGER.debug(
this + "::Exception on establish connector initial connection", e);
return null;
}
}
private void addFactory(ClientSessionFactoryInternal factory) {
if (factory == null) {
return;
}
if (isClosed()) {
factory.close();
return;
}
TransportConfiguration backup = null;
if (ha) {
backup = topology.getBackupForConnector(factory.getConnectorConfiguration());
}
factory.setBackupConnector(factory.getConnectorConfiguration(), backup);
synchronized (factories) {
factories.add(factory);
}
}
public ClientSessionFactory createSessionFactory(
final TransportConfiguration transportConfiguration) throws Exception {
assertOpen();
initialise();
ClientSessionFactoryInternal factory =
new ClientSessionFactoryImpl(
this,
transportConfiguration,
callTimeout,
callFailoverTimeout,
clientFailureCheckPeriod,
connectionTTL,
retryInterval,
retryIntervalMultiplier,
maxRetryInterval,
reconnectAttempts,
threadPool,
scheduledThreadPool,
interceptors);
addToConnecting(factory);
try {
try {
factory.connect(reconnectAttempts, failoverOnInitialConnection);
} catch (HornetQException e1) {
// we need to make sure is closed just for garbage collection
factory.close();
throw e1;
}
addFactory(factory);
return factory;
} finally {
removeFromConnecting(factory);
}
}
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();
}
}
}
public ClientSessionFactory createSessionFactory() throws HornetQException {
assertOpen();
initialise();
if (initialConnectors == null && discoveryGroup != null) {
// Wait for an initial broadcast to give us at least one node in the cluster
long timeout =
clusterConnection ? 0 : discoveryGroupConfiguration.getDiscoveryInitialWaitTimeout();
boolean ok = discoveryGroup.waitForBroadcast(timeout);
if (!ok) {
throw HornetQMessageBundle.BUNDLE.connectionTimedOutInInitialBroadcast();
}
}
ClientSessionFactoryInternal factory = null;
synchronized (this) {
boolean retry;
int attempts = 0;
do {
retry = false;
TransportConfiguration tc = selectConnector();
if (tc == null) {
throw HornetQMessageBundle.BUNDLE.noTCForSessionFactory();
}
// try each factory in the list until we find one which works
try {
factory =
new ClientSessionFactoryImpl(
this,
tc,
callTimeout,
callFailoverTimeout,
clientFailureCheckPeriod,
connectionTTL,
retryInterval,
retryIntervalMultiplier,
maxRetryInterval,
reconnectAttempts,
threadPool,
scheduledThreadPool,
interceptors);
try {
addToConnecting(factory);
factory.connect(initialConnectAttempts, failoverOnInitialConnection);
} finally {
removeFromConnecting(factory);
}
} catch (HornetQException e) {
factory.close();
factory = null;
if (e.getType() == HornetQExceptionType.NOT_CONNECTED) {
attempts++;
if (topologyArray != null && attempts == topologyArray.length) {
throw HornetQMessageBundle.BUNDLE.cannotConnectToServers();
}
if (topologyArray == null
&& initialConnectors != null
&& attempts == initialConnectors.length) {
throw HornetQMessageBundle.BUNDLE.cannotConnectToServers();
}
retry = true;
} else {
throw e;
}
}
} while (retry);
if (ha || clusterConnection) {
final long timeout = System.currentTimeMillis() + 30000;
while (!isClosed() && !receivedTopology && timeout > System.currentTimeMillis()) {
// Now wait for the topology
try {
wait(1000);
} catch (InterruptedException ignore) {
}
}
if (System.currentTimeMillis() > timeout && !receivedTopology) {
throw HornetQMessageBundle.BUNDLE.connectionTimedOutOnReceiveTopology(discoveryGroup);
}
}
addFactory(factory);
return factory;
}
}
private void doClose(final boolean sendClose) {
if (state == STATE.CLOSED) {
if (HornetQLogger.LOGGER.isDebugEnabled()) {
HornetQLogger.LOGGER.debug(this + " is already closed when calling closed");
}
return;
}
state = STATE.CLOSING;
if (discoveryGroup != null) {
synchronized (this) {
try {
discoveryGroup.stop();
} catch (Exception e) {
HornetQLogger.LOGGER.failedToStopDiscovery(e);
}
}
} else {
staticConnector.disconnect();
}
synchronized (connectingFactories) {
for (ClientSessionFactoryInternal csf : connectingFactories) {
csf.close();
}
connectingFactories.clear();
}
Set<ClientSessionFactoryInternal> clonedFactory;
synchronized (factories) {
clonedFactory = new HashSet<ClientSessionFactoryInternal>(factories);
factories.clear();
}
for (ClientSessionFactory factory : clonedFactory) {
if (sendClose) {
factory.close();
} else {
factory.cleanup();
}
}
if (shutdownPool) {
if (threadPool != null) {
threadPool.shutdown();
try {
if (!threadPool.awaitTermination(10000, TimeUnit.MILLISECONDS)) {
HornetQLogger.LOGGER.timedOutWaitingForTermination();
}
} catch (InterruptedException ignore) {
}
}
if (scheduledThreadPool != null) {
scheduledThreadPool.shutdown();
try {
if (!scheduledThreadPool.awaitTermination(10000, TimeUnit.MILLISECONDS)) {
HornetQLogger.LOGGER.timedOutWaitingForScheduledPoolTermination();
}
} catch (InterruptedException ignore) {
}
}
}
readOnly = false;
state = STATE.CLOSED;
}
