/**
* 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);
}
}
/**
* Calls either getArgs on an {@link IInvocationMessage}, getContent on {@link IResponseMessage}
* or getThrowable on {@link IExceptionMessage}
*
* @see org.bpmscript.channel.IScriptChannel#getContent(java.lang.Object)
*/
public Object getContent(Object message) {
if (message instanceof IInvocationMessage) {
IInvocationMessage invocationMessage = (IInvocationMessage) message;
return invocationMessage.getArgs();
} else if (message instanceof IResponseMessage) {
IResponseMessage responseMessage = (IResponseMessage) message;
return responseMessage.getContent();
} else if (message instanceof IExceptionMessage) {
IExceptionMessage exceptionMessage = (IExceptionMessage) message;
return exceptionMessage.getThrowable();
}
return message;
}
