private Message prepareResponseMessage(Exchange exchange, MongoDbOperation operation) {
Message answer = exchange.getOut();
MessageHelper.copyHeaders(exchange.getIn(), answer, false);
if (isWriteOperation(operation) && endpoint.isWriteResultAsHeader()) {
answer.setBody(exchange.getIn().getBody());
}
return answer;
}
private void processAndTransferWriteResult(WriteResult result, Exchange exchange) {
// if invokeGetLastError is set, or a WriteConcern is set which implicitly calls getLastError,
// then we have the chance to populate
// the MONGODB_LAST_ERROR header, as well as setting an exception on the Exchange if one
// occurred at the MongoDB server
if (endpoint.isInvokeGetLastError()
|| (endpoint.getWriteConcern() != null
? endpoint.getWriteConcern().callGetLastError()
: false)) {
CommandResult cr =
result.getCachedLastError() == null ? result.getLastError() : result.getCachedLastError();
exchange.getOut().setHeader(MongoDbConstants.LAST_ERROR, cr);
if (!cr.ok()) {
exchange.setException(MongoDbComponent.wrapInCamelMongoDbException(cr.getException()));
}
}
// determine where to set the WriteResult: as the OUT body or as an IN message header
if (endpoint.isWriteResultAsHeader()) {
exchange.getOut().setHeader(MongoDbConstants.WRITERESULT, result);
} else {
exchange.getOut().setBody(result);
}
}