/**
* Send a message to an address. The message is either an {@link IEnvelope} which contains an
* {@link IInternalMessage} or a {@link Map} with an "address" parameter. This makes it easier to
* support both dynamic Javascript messages and more type safe Java messages.
*
* <p>Send attaches a "replyTo" address and a correlationId to them message so that it returns the
* the {@link IBpmScriptEngine}
*/
@SuppressWarnings("unchecked")
public void send(
final String fromPid,
final String fromBranch,
final String fromVersion,
final String queueId,
Object message)
throws BpmScriptException {
String correlationId = correlationIdFormatter.format(fromPid, fromBranch, fromVersion, queueId);
if (message instanceof IEnvelope) {
IEnvelope envelope = (IEnvelope) message;
InvocationMessage invocationMessage = ((InvocationMessage) envelope.getMessage());
invocationMessage.setReplyTo(replyTo);
invocationMessage.setCorrelationId(correlationId);
String address = (String) envelope.getAddress();
sender.send(address, invocationMessage);
} else {
Map<String, Object> map = (Map<String, Object>) message;
map.put("correlationId", correlationId);
map.put("replyTo", replyTo);
String address = (String) map.get("address");
MapInvocationMessage result = new MapInvocationMessage(map);
if (address == null) {
log.warn("address for message " + result.toString() + " is null");
}
sender.send(address, result);
}
}
/**
* Reply to a message. The message an {@link IInternalMessage} or a {@link Map} with a "content"
* key with the return Object.
*/
@SuppressWarnings("unchecked")
public void reply(String pid, Object in, Object out) throws BpmScriptException {
IInternalMessage messageToSend = null;
String correlationId = ((IInternalMessage) in).getCorrelationId();
if (out instanceof ExceptionMessage) {
ExceptionMessage exceptionMessage = (ExceptionMessage) out;
exceptionMessage.setCorrelationId(correlationId);
messageToSend = exceptionMessage;
} else if (out instanceof ResponseMessage) {
ResponseMessage responseMessage = (ResponseMessage) out;
responseMessage.setCorrelationId(correlationId);
messageToSend = responseMessage;
} else {
Map<String, Object> map = (Map<String, Object>) out;
Object content = map.get("content");
if (content != null && content instanceof Throwable) {
messageToSend = new ExceptionMessage(correlationId, (Throwable) content);
} else {
messageToSend = new MapResponseMessage(map);
}
map.put("correlationId", correlationId);
}
if (in instanceof IInvocationMessage) {
final IInvocationMessage inMessage = (IInvocationMessage) in;
sender.send(inMessage.getReplyTo(), messageToSend);
} else {
sender.send(errorAddress, messageToSend);
}
}
/** Send a message to an address */
public void send(String address, IInternalMessage internalMessage) {
if (log.isDebugEnabled()) {
log.debug("bus received message " + internalMessage + " for " + address);
}
if (address == null) {
log.warn("address is null for message " + internalMessage);
}
if (internalMessage == null) {
log.warn("message is null for address " + address);
}
int indexOfColon = address.indexOf(":");
if (indexOfColon > 0) {
String namespace = address.substring(0, indexOfColon);
if (namespace != name) {
messageSender.send(address, internalMessage);
} else {
auditSender.send(address, internalMessage);
queue.add(new Object[] {address.substring(indexOfColon + 1), internalMessage});
}
} else {
auditSender.send(name + ":" + address, internalMessage);
queue.add(new Object[] {address, internalMessage});
}
}
/**
* Send a message to an address. The message is either an {@link IEnvelope} which contains an
* {@link IInternalMessage} or a {@link Map} with an "address" parameter. This makes it easier to
* support both dynamic Javascript messages and more type safe Java messages.
*/
@SuppressWarnings("unchecked")
public void sendOneWay(Object message) throws BpmScriptException {
if (message instanceof IEnvelope) {
IEnvelope envelope = (IEnvelope) message;
sender.send((String) envelope.getAddress(), (IInternalMessage) envelope.getMessage());
} else {
Map<String, Object> map = (Map<String, Object>) message;
String address = (String) map.get("address");
MapInvocationMessage result = new MapInvocationMessage(map);
if (address == null) {
log.warn("address for message " + result.toString() + " is null");
}
sender.send(address, result);
}
}
/**
* Sends a timeout message address to the {@link TimeoutAdapter}
*
* <p>Send attaches a "replyTo" address and a correlationId to them message so that it returns the
* the {@link IBpmScriptEngine}
*/
public void sendTimeout(
String fromPid, String fromBranch, String fromVersion, String queueId, long duration)
throws BpmScriptException {
InvocationMessage message = new InvocationMessage();
message.setArgs(duration);
message.setReplyTo(replyTo);
message.setCorrelationId(
correlationIdFormatter.format(fromPid, fromBranch, fromVersion, queueId));
sender.send(timeoutAddress, message);
}
