I'm looking for options for achieving this using Camel.
1. HTTP Client sends a request to my server.
2. HTTP Controller gets the request, extracts the parameters, send a
request to "direct:start" using a producer template.
handleHTTPRequest()
{
.....
ProducerTemplate template =
ctxAware.getCamelContext().createProducerTemplate();
template.request("direct:start", new MyCustomProcessor());
......
}
My route-
from("direct:start")
.to("https://some_external_url";)
.unmarshal()
.json(JsonLibrary.Jackson, ResponseObject.class)
.bean(Splitter.class, "splitResponse")
.bean(EmbeddedDroolsRuleEngine.class,
"callRuleEngine");
*ASSUMPTION 1: The controller blocks till the route is finished. Is this
assumption correct ?
*
3. EmbeddedDroolsRuleEngine#callRuleEngine method does some processing (in
this case filtering based on some rules) on the messages. I need to send
these filtered messages back to the HTTP client.
My question is -
once the route is over the control returns back to the controller if my
ASSUMPTION 1 is correct.
At this point I want to wait for my results of callRuleEngine method and
somehow get those objects so that I can use it to send a response back to
the client.
My current idea is to have a EmbeddedDroolsRuleEngine#callRuleEngine write
the results to a queue and then I can have a ConsumerTemplate read from this
queue. But I'm not sure how good a solution this is.
Any ideas about how to get this done would be appreciated?
Thanks.
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