private Ice.Identity createBookIdentity(String isbn) {
//
// Note that the identity category is important since the
// locator was installed for the category 'book'.
//
Ice.Identity ident = new Ice.Identity();
ident.category = "book";
ident.name = isbn;
return ident;
}
@Override
public int run(String[] args) {
args = communicator().getProperties().parseCommandLineOptions("Clock", args);
String topicName = "time";
String option = "None";
boolean batch = false;
String id = null;
String retryCount = null;
int i;
for (i = 0; i < args.length; ++i) {
String oldoption = option;
if (args[i].equals("--datagram")) {
option = "Datagram";
} else if (args[i].equals("--twoway")) {
option = "Twoway";
} else if (args[i].equals("--ordered")) {
option = "Ordered";
} else if (args[i].equals("--oneway")) {
option = "Oneway";
} else if (args[i].equals("--batch")) {
batch = true;
} else if (args[i].equals("--id")) {
++i;
if (i >= args.length) {
usage();
return 1;
}
id = args[i];
} else if (args[i].equals("--retryCount")) {
++i;
if (i >= args.length) {
usage();
return 1;
}
retryCount = args[i];
} else if (args[i].startsWith("--")) {
usage();
return 1;
} else {
topicName = args[i++];
break;
}
if (!oldoption.equals(option) && !oldoption.equals("None")) {
usage();
return 1;
}
}
if (i != args.length) {
usage();
return 1;
}
if (retryCount != null) {
if (option.equals("None")) {
option = "Twoway";
} else if (!option.equals("Twoway") && !option.equals("Ordered")) {
usage();
return 1;
}
}
if (batch && (option.equals("Twoway") || option.equals("Ordered"))) {
System.err.println(appName() + ": batch can only be set with oneway or datagram");
return 1;
}
IceStorm.TopicManagerPrx manager =
IceStorm.TopicManagerPrxHelper.checkedCast(
communicator().propertyToProxy("TopicManager.Proxy"));
if (manager == null) {
System.err.println("invalid proxy");
return 1;
}
//
// Retrieve the topic.
//
IceStorm.TopicPrx topic;
try {
topic = manager.retrieve(topicName);
} catch (IceStorm.NoSuchTopic e) {
try {
topic = manager.create(topicName);
} catch (IceStorm.TopicExists ex) {
System.err.println(appName() + ": temporary failure, try again.");
return 1;
}
}
Ice.ObjectAdapter adapter = communicator().createObjectAdapter("Clock.Subscriber");
//
// Add a servant for the Ice object. If --id is used the
// identity comes from the command line, otherwise a UUID is
// used.
//
// id is not directly altered since it is used below to detect
// whether subscribeAndGetPublisher can raise
// AlreadySubscribed.
//
Ice.Identity subId = new Ice.Identity(id, "");
if (subId.name == null) {
subId.name = java.util.UUID.randomUUID().toString();
}
Ice.ObjectPrx subscriber = adapter.add(new ClockI(), subId);
//
// Activate the object adapter before subscribing.
//
adapter.activate();
java.util.Map<String, String> qos = new java.util.HashMap<String, String>();
if (retryCount != null) {
qos.put("retryCount", retryCount);
}
//
// Set up the proxy.
//
if (option.equals("Datagram")) {
if (batch) {
subscriber = subscriber.ice_batchDatagram();
} else {
subscriber = subscriber.ice_datagram();
}
} else if (option.equals("Twoway")) {
// Do nothing to the subscriber proxy. Its already twoway.
} else if (option.equals("Ordered")) {
// Do nothing to the subscriber proxy. Its already twoway.
qos.put("reliability", "ordered");
} else if (option.equals("Oneway") || option.equals("None")) {
if (batch) {
subscriber = subscriber.ice_batchOneway();
} else {
subscriber = subscriber.ice_oneway();
}
}
try {
topic.subscribeAndGetPublisher(qos, subscriber);
} catch (IceStorm.AlreadySubscribed e) {
// If we're manually setting the subscriber id ignore.
if (id == null) {
e.printStackTrace();
return 1;
} else {
System.out.println("reactivating persistent subscriber");
}
} catch (IceStorm.InvalidSubscriber e) {
e.printStackTrace();
return 1;
} catch (IceStorm.BadQoS e) {
e.printStackTrace();
return 1;
}
shutdownOnInterrupt();
communicator().waitForShutdown();
topic.unsubscribe(subscriber);
return 0;
}