public void processMessage(final Message message) throws InterruptedException, IOException {
//noinspection ControlFlowStatementWithoutBraces
// if (LOG.isDebugEnabled()) LOG.debug("message: " + message); // NOPMD
// Set context
message.setProcessor(this);
try {
if (message instanceof Prepareable) {
// Prepare
final Prepareable prepareableMessage = (Prepareable) message;
if (prepareableMessage.isPrepared()) {
// Validate
message.validate();
// Execute
message.execute();
} else {
// Not prepared yet
final PrepareResult prepareResult = prepareableMessage.prepare();
prepareableMessage.markPrepared();
// Process according to prepare results
if (prepareResult.equals(PrepareResult.EXECUTE)) {
// Validate
message.validate();
// Execute
message.execute();
} else if (prepareResult.equals(PrepareResult.BREAK)) {
//noinspection UnnecessaryReturnStatement
return; // NOPMD
} else if (prepareResult.equals(PrepareResult.ROUTE)) {
route(message);
} else {
throw new CacheonixException("Unknown result of prepare: " + prepareResult);
}
}
} else {
// Validate
message.validate();
// Execute
message.execute();
}
} catch (final InvalidMessageException e) {
LOG.warn("Invalid message: " + e.toString(), e);
if (message instanceof Request) {
final Request request = (Request) message;
if (request.isResponseRequired()) {
final Response response = request.createResponse(Response.RESULT_ERROR);
response.setResult(e.toString());
post(response);
}
}
}
}