{
Destination destination;
Link_1_0 link = null;
Error error = null;
final LinkRegistry linkRegistry = _vhost.getLinkRegistry(endpoint.getSession().getConnection().getRemoteContainerId());
if(endpoint.getRole() == Role.SENDER)
{
SendingLink_1_0 previousLink = linkRegistry.getDurableSendingLink(endpoint.getName());
if(previousLink == null)
{
Target target = (Target) endpoint.getTarget();
Source source = (Source) endpoint.getSource();
if(source != null)
{
if(Boolean.TRUE.equals(source.getDynamic()))
{
AMQQueue tempQueue = createTemporaryQueue(source.getDynamicNodeProperties());
source.setAddress(tempQueue.getName());
}
String addr = source.getAddress();
AMQQueue queue = _vhost.getQueueRegistry().getQueue(addr);
if(queue != null)
{
destination = new QueueDestination(queue);
}
else
{
Exchange exchg = _vhost.getExchangeRegistry().getExchange(addr);
if(exchg != null)
{
destination = new ExchangeDestination(exchg, source.getDurable(), source.getExpiryPolicy());
}
else
{
endpoint.setSource(null);
destination = null;
}
}
}
else
{
destination = null;
}
if(destination != null)
{
final SendingLinkEndpoint sendingLinkEndpoint = (SendingLinkEndpoint) endpoint;
try
{
final SendingLink_1_0 sendingLink = new SendingLink_1_0(new SendingLinkAttachment(this, sendingLinkEndpoint),
_vhost,
(SendingDestination) destination
);
sendingLinkEndpoint.setLinkEventListener(sendingLink);
link = sendingLink;
if(TerminusDurability.UNSETTLED_STATE.equals(source.getDurable()))
{
linkRegistry.registerSendingLink(endpoint.getName(), sendingLink);
}
}
catch(AmqpErrorException e)
{
e.printStackTrace();
destination = null;
sendingLinkEndpoint.setSource(null);
error = e.getError();
}
}
}
else
{
Source newSource = (Source) endpoint.getSource();
Source oldSource = (Source) previousLink.getEndpoint().getSource();
final TerminusDurability newSourceDurable = newSource == null ? null : newSource.getDurable();
if(newSourceDurable != null)
{
oldSource.setDurable(newSourceDurable);
if(newSourceDurable.equals(TerminusDurability.NONE))
{
linkRegistry.unregisterSendingLink(endpoint.getName());
}
}
endpoint.setSource(oldSource);
SendingLinkEndpoint sendingLinkEndpoint = (SendingLinkEndpoint) endpoint;
previousLink.setLinkAttachment(new SendingLinkAttachment(this, sendingLinkEndpoint));
sendingLinkEndpoint.setLinkEventListener(previousLink);
link = previousLink;
endpoint.setLocalUnsettled(previousLink.getUnsettledOutcomeMap());
}
}
else
{
if(endpoint.getTarget() instanceof Coordinator)
{
Coordinator coordinator = (Coordinator) endpoint.getTarget();
TxnCapability[] capabilities = coordinator.getCapabilities();
boolean localTxn = false;
boolean multiplePerSession = false;
if(capabilities != null)
{
for(TxnCapability capability : capabilities)
{
if(capability.equals(TxnCapability.LOCAL_TXN))
{
localTxn = true;
}
else if(capability.equals(TxnCapability.MULTI_TXNS_PER_SSN))
{
multiplePerSession = true;
}
else
{
error = new Error();
error.setCondition(AmqpError.NOT_IMPLEMENTED);
error.setDescription("Unsupported capability: " + capability);
break;
}
}
}
/* if(!localTxn)
{
capabilities.add(TxnCapabilities.LOCAL_TXN);
}*/
final ReceivingLinkEndpoint receivingLinkEndpoint = (ReceivingLinkEndpoint) endpoint;
final TxnCoordinatorLink_1_0 coordinatorLink =
new TxnCoordinatorLink_1_0(_vhost, this, receivingLinkEndpoint, _openTransactions);
receivingLinkEndpoint.setLinkEventListener(coordinatorLink);
link = coordinatorLink;
}
else
{
ReceivingLink_1_0 previousLink = linkRegistry.getDurableReceivingLink(endpoint.getName());
if(previousLink == null)
{
Target target = (Target) endpoint.getTarget();
if(target != null)
{
if(Boolean.TRUE.equals(target.getDynamic()))
{
AMQQueue tempQueue = createTemporaryQueue(target.getDynamicNodeProperties());
target.setAddress(tempQueue.getName());
}
String addr = target.getAddress();
Exchange exchg = _vhost.getExchangeRegistry().getExchange(addr);
if(exchg != null)
{
destination = new ExchangeDestination(exchg, target.getDurable(),
target.getExpiryPolicy());
}
else
{
AMQQueue queue = _vhost.getQueueRegistry().getQueue(addr);
if(queue != null)
{
destination = new QueueDestination(queue);
}
else
{
endpoint.setTarget(null);
destination = null;
}
}
}
else
{
destination = null;
}
if(destination != null)
{
final ReceivingLinkEndpoint receivingLinkEndpoint = (ReceivingLinkEndpoint) endpoint;
final ReceivingLink_1_0 receivingLink = new ReceivingLink_1_0(new ReceivingLinkAttachment(this, receivingLinkEndpoint), _vhost,
(ReceivingDestination) destination);
receivingLinkEndpoint.setLinkEventListener(receivingLink);
link = receivingLink;
if(TerminusDurability.UNSETTLED_STATE.equals(target.getDurable()))
{
linkRegistry.registerReceivingLink(endpoint.getName(), receivingLink);
}
}
}
else
{
ReceivingLinkEndpoint receivingLinkEndpoint = (ReceivingLinkEndpoint) endpoint;
previousLink.setLinkAttachment(new ReceivingLinkAttachment(this, receivingLinkEndpoint));
receivingLinkEndpoint.setLinkEventListener(previousLink);
link = previousLink;
endpoint.setLocalUnsettled(previousLink.getUnsettledOutcomeMap());
}
}
}
endpoint.attach();
if(link == null)
{
if(error == null)
{
error = new Error();
error.setCondition(AmqpError.NOT_FOUND);
}
endpoint.detach(error);
}
else
{