public boolean isValidExchange(SerialNumber serialNumber, Exchange request) {
// create upper bound for calculation of average
SerialNumber validityCheckBound =
new SerialNumber(serialNumber.getSerialNumber().add(ADD_FOR_BOUND));
// find the set of serial #'s strictly greater than serialNumber and <= validityCheckBound
NavigableSet<SerialNumber> temp =
getExclusiveToInclusiveSubset(
request.getCompatibleProducts(), serialNumber, validityCheckBound);
// find the st of serial #'s strictly greater than serialNumber and less than average
// if empty, no compatible product exists
return !(getExclusiveSubset(request, serialNumber, average(temp)).isEmpty());
}
@Override
public void process(Exchange exchange) throws Exception {
// determine attributes of the message
String message = exchange.getIn().getBody(String.class);
String[] fields = PreParser.getFields(message, "MSH-9-1", "MSH-9-2", "MSH-9-3", "MSH-12");
String messageType = fields[0];
String triggerEvent = fields[1];
String messageStructure = fields[2];
String version = fields[3];
// check who can accept the message
boolean found = false;
for (String routeId : routeIds) {
Hl7v2Interceptor interceptor = map.get(routeId);
Hl7v2TransactionConfiguration config =
interceptor.getConfigurationHolder().getHl7v2TransactionConfiguration();
try {
config.checkMessageAcceptance(messageType, triggerEvent, messageStructure, version, true);
LOG.debug(
"Dispatch message with MSH-9-1='{}', MSH-9-2='{}', MSH-9-3='{}', MSH-12='{}' to route '{}'",
messageType,
triggerEvent,
messageStructure,
version,
routeId);
found = true;
interceptor.process(exchange);
break;
} catch (Hl7v2AcceptanceException e) {
// no problem
}
}
if (!found) {
LOG.debug(
"Nobody can process message with MSH-9-1='{}', MSH-9-2='{}', MSH-9-3='{}', MSH-12='{}'",
messageType,
triggerEvent,
messageStructure,
version);
HL7Exception exception =
new HL7Exception(
"Unsupported message type and/or version", ErrorCode.APPLICATION_INTERNAL_ERROR);
resultMessage(exchange).setBody(getNakFactory().createDefaultNak(exception).encode());
}
}
@Override
public SerialNumber getExchangeResult(Exchange request) {
return getExclusiveSubset(request, getSerialNumber(), average(request.getCompatibleProducts()))
.last();
}